IRC log of #meego for Monday, 2010-09-06

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tremnite all, sweet dreams00:31
CosmoHillbye trem00:31
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tmzt_are there no mrst subarch patches for qemu?00:35
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lolloohttp://meegoportal.com/?p=9002:28
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CosmoHillnight night03:17
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Gorrothhi08:28
Stskeepshi08:28
Gorrothi once got meego installed on my phone, and it got to an xterm08:29
Gorrothafter that, nothing08:30
Stskeepsinstall a later image08:30
Gorrothwhat do i do after that?08:30
Stskeepsyou'll need a microsd card and http://tablets-dev.nokia.com/meego-codedrop.php and http://wiki.meego.com/ARM/N900/Install/MMC08:30
Gorrothfrom here: http://meegoarena.com/2010/03/meego-now-available-for-download-for-nokia-n900/ ?08:30
Gorrothok08:30
Gorroththanks08:30
Stskeepsdon't use shady news sites for information :)08:30
Gorrothmeh08:31
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Gorrothi used the main site in the past08:31
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Gorrothanyway, do they yet have sweet tools in meego to sync contacts with what's in my google account?08:32
Stskeepsnop08:32
Stskeepswell, at least not handset08:32
Gorrothdang08:32
Gorrothah08:32
Gorroththat will be nice if it shows up; my android phone has that08:33
Stskeepsyeah, but android phones are usually blessed with google apps ;)08:33
Gorrothyes08:33
Gorrothbut should be open protocols, at least i'd think08:34
sandst1and i guess it will show up once the os shows up :)08:34
Gorrothi don't know about this though08:34
Gorrothyeah08:34
w00t_doubtful08:34
w00t_well, yes, google offer syncml, but it's contacts only08:34
Gorrothi just want my n900 to be relevant :)  nokia basically screwed up almost immediately with it08:34
Gorrothscrewed us*08:34
w00t_and you would be able to get that working with syncevolution or something08:34
Gorrothah08:35
w00t_(probably)08:35
w00t_but it would take some work. :p08:35
Gorrothyeah08:35
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Gorrothhi again08:40
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amjadwaiting to see if i  get sponsored for dublin :)08:46
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Stskeepsstill some time to go on that matter08:47
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sofarI'm waiting to see if I get ordered to go ;)08:49
amjadyes, they decision will be made by end of september /beginning of october08:49
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amjadfor non eu citizens, start your visa process now :)09:21
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thiago_homeprocess for?09:25
sofardublin immigration :)09:25
thiago_homedon't they give you visas on arrival?09:26
thiago_homethey did in 2006 when I was there09:26
sofarare you an EU citizen or US citizen?09:26
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thiago_homeno, Brazilian citizen09:26
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sofarhttp://www.inis.gov.ie/en/INIS/Pages/Do_I_need_a_Visa09:26
amjadi am indian citizen09:27
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sofarBrazil is a schedule 1 land09:27
amjadthiago_home: read the latest email on meego-community regarding sponsorship09:27
sofarIndia does not appear in schedule 109:28
sofarso you will need a visa before landing in Ireland if you're an India09:28
sofar*n09:28
Gorrothi'm a US citizen09:28
Gorrothdo i need a visa to stay home?09:28
sofarUSA is a sched1 country -> no visa needed beforehand to fly to ireland09:28
* thiago_home was there in 200609:28
sofarGorroth: no but you need a gun permit09:28
thiago_homethis order is apparently from 200409:29
Gorrothno, you only need a gun permit in 2 states09:29
achipathiago_home: depends on the country AFAIK09:29
Gorrothwhich i don't see how that's legal, but i will digress from that subject for now09:29
sofarGorroth: depends on what you're doing with it09:29
Gorrothno, it depends on the state09:29
sofarGorroth: also depends on the weapon too09:29
Gorrothno, it doesn't09:30
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Gorrothagain depends on state09:30
sofar-off-topic, self-censoring09:30
Gorrothyes, that's what i tried to say earlier :)09:30
thiago_homeachipa: my citizenship hasn't changed since 200609:30
sofaranyone having doubts about immigration visa, please check the irish immigration website etc.09:31
sofarhttp://www.inis.gov.ie/en/INIS/Pages/Do_I_need_a_Visa09:31
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thiago_homethis page says differently (yes, it's in Portuguese): http://www.dfa.ie/home/index.aspx?id=7134409:35
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sofarLISTA DOS PAÍSES CUJOS CIDADÃOS NÃO NECESSITAM DE VISTO DE ENTRADA: ... Brasil....09:36
sofarthat's what I said, no visa needed to enter?09:37
thiago_homethe thing is: yes, you need a visa. but you get a visa at the airport09:37
sofarwell yeah09:37
sofarenter without, stay with valid visa :)09:37
sofarthat's how most countries in the world are09:37
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sofarit's just a stamp in your passport usually09:37
thiago_homesee also this one: http://www.citizensinformation.ie/categories/moving-country/moving-to-ireland/coming-to-live-in-ireland/visa-requirements-for-entering-ireland09:37
amjadindia is neither in sched 1 or sched 2 ??09:39
thiago_homean again: http://www.citizensinformation.ie/categories/travel-and-recreation/travel-to-ireland/visas_for_tourists_visiting_ireland09:40
thiago_homeif you're not listed in the "you don't require visa", then you do require a visa09:40
sofarcorrect09:40
thiago_homeif you're not listed in the list "you require a transit visa", then you can land in ireland and connect to another flight without a visa09:40
sofarso, India is not listed09:40
sofarso, people from india can transit, but not enter Ireland without an entry visa09:41
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thiago_homecontact the embassy or closest consulate09:42
thiago_homethat's a question they know well09:42
sofaramjad: I suggest that exactly: take your passport to the local irish consulate/embassy09:42
sofarI do not know what they require09:43
thiago_homecall them first :-)09:43
adeusknowing embassies, they want money :)09:43
thiago_homeyes, which is why you should call09:43
thiago_homeanyway, like I said, I have been to Ireland before09:44
thiago_homethe immigration is like the UK: you talk to an officer at the airport, you explain you're coming for a conference, for N days, then you get a stamp09:44
Gorrothireland might like india because they both start with I, but india is ranked higher in alphabetical listings09:44
Gorrothso they don't let you in09:44
sofarlol09:45
thiago_homeGorroth: well, Ireland in Irish starts with E :-)09:45
Gorrothoh09:45
sofarpwnd09:45
Gorroth:)09:45
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thiago_homethen again, it depends on your collation order09:49
thiago_homeit's Éire09:50
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john1fabo:ping09:51
john1fabo: p09:51
fabojohn1: pong09:52
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john1I'm looking at your packages.09:52
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john1There's no pacakge depends on madde?09:53
fabojohn1: not yet, it's supposed to be pull through meta package09:54
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john1is "meego-sdk" the meta package?09:54
faboatm, you need to specify which package you want to install until we polish the meta09:54
fabojohn1: yes or meego-sdk-x8609:55
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john1OK. I see.09:57
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achipathiago_home: cool, but Brazil (IIUC your citizenship) is on the visa-free list. Some of us sadly travel with papers from countries NOT on that list10:02
sofarachipa: yup, unfortunately for some people visiting the conference is a lot more work10:03
sofartake me, for instance10:03
sofarI'm a EU citizen, yet I had to travel 1200km in order to be able to make it there :)10:04
sofarthat's what you get if you live in the US and you need to renew your passport, lol10:04
achipathiago_home: (just realized my native European country is in the company of Afghanistan, Cuba and similarly exotic places)10:04
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thiago_homesofar: can't you renew your passport in a closer embassy or consulate?10:17
thiago_homesofar: or was 1200 km the closest consulate?10:17
sofarI would have10:18
sofaryes10:18
sofarfrom Portland, the closest is San Francisco10:18
sofarotherwise it's Chicago or worse, Washington DC lol10:18
thiago_homethat explains10:19
thiago_homethe embassy is much closer for me... about 20 tram stops only10:19
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arfolldoes anyone here know the difference between an aava EV1 and an EV2 and a DV1?12:01
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CosmoHilltekojo: ethernet cable again?13:22
tekojono, playing with Ubuntu maverick :)13:23
CosmoHill"the pen far mighter than the sword he said, then he stabbed his pen into my leg"13:24
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CosmoHillI'm making a openmpi rpm13:28
FunkyPenguinum is bognor-regis & bickley still being used?13:31
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* CosmoHill headbangs desk13:36
CosmoHillmpi is a protocol so what does it need? ports to be opened13:36
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jacekowskimpi ussualy works over ssh13:42
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CosmoHilli have a linux server, linux vm (same distro), a mac and I'll boot RHEL on my laptop13:44
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CosmoHillmac is version 0.2 behind linux13:45
CosmoHillthat might need to be recompiled13:45
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Stskeepsdotblank: had any success?14:00
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CosmoHillhmm, crap14:08
CosmoHillfirewall wouldn't have anything to do with it cos it doesn't filter the LAN14:08
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stephgSage: yt?14:16
CosmoHillhmm, it is my firewall14:17
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Raveyi guys im trying to install the header files for gstreamer like this: zypper install libgstreamer0.10-dev15:00
Raveyhowever it complains it cannot find the package - any ideas?15:01
CosmoHilltry: zypper search gstreamer15:01
Raveythanks CosmoHill will do15:01
Raveygreat thanks it's listed everything i need - much appreciated15:02
CosmoHillno problem :)15:02
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CosmoHill"COMPAQ PRESARIO 2100 MOTHERBOARD IS FAULTY & DEAD - IN VERY GOOD CONDITION"15:11
CosmoHillthat seems to contradict itself15:11
lcukshiny and clean, no dust bunnies or scratches15:12
thiagoit's faulty & dead, but in very good condition otherwise15:12
thiagoyeah, like that15:12
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CosmoHillonly reason I'm looking is incase I kill the current motherboard15:15
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villeHowdy. Any idea what sort of schedule there is before a meego phone hits the retailers?16:56
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* CosmoHill returns17:42
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dotblankStskeeps, I got the meego sdk working but that seems horribly out of date. I also can't make a custom image because of the libc problem with mic17:44
CosmoHillcould you not run "zypper update" inside the SDK vm?17:44
dotblankCosmoHill, I could try17:44
dotblankI'm not familiar with how meego does packaging17:46
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gabrbeddCosmoHill: That reminds me... should I be using zypper or yum.17:47
CosmoHillzypper17:47
slaineThought it was either17:47
CosmoHillI think yum will be removed at some point17:47
slaineOh17:47
* slaine uses yum17:47
gabrbeddCosmoHill: Thanks.  Yeah, apt-get didn't work so I had to punt.  :-p17:48
* gabrbedd just realized that not everyone understands his reference to american football...17:49
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gabrbeddCosmoHill: So, if I've been using yum... how do I go back to using zypper.17:50
gabrbeddCosmoHill:  Seems like they don't work well together.17:50
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CosmoHillprobably best to stick with what you're using17:51
gabrbeddok.  I'll switch on the next reinstall.17:51
slaineyou could probably clean your yum cache and then try getting zypper to pull in some fresh data17:52
slaineyum clean all17:52
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jniqfrom what i can tell they should not have any problem working together (or one after another :O)17:53
slainethey shouldn't17:54
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amjadi like yum :)18:00
amjadand it was created by my former company (yellow dog updater) before being developed and stabilized by duke18:01
CosmoHilli think it depends where they get there data from18:01
CosmoHillthey might have different databases18:01
CosmoHillyou might be able to update one from the other18:01
jniqyes, the use their own databases, except the rpm database of installed packages18:02
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jniqs/the/they/18:02
infobotjniq meant: yes, they use their own databases, except the rpm database of installed packages18:02
CosmoHilli just thought of that18:03
CosmoHillmy server doesn't have yum or zypper18:03
CosmoHillI use rpm directly18:03
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jniqCosmoHill: that's also a way to go, but yum or zypper give you automatic dependency solving, and a lot of other things18:05
CosmoHillthis is true18:05
CosmoHillhowever my server runs a custom distro which I have to compile everything for :)18:06
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dotblankI run ubuntu and I feel like Ive already compiled from git/bzr/svn half of the system18:10
dotblankslowly replacing my machone into this odd hybrid computer18:10
dotblankmachine*18:10
CosmoHillI've formated my server before and then gone:18:11
CosmoHill"oh crap, I had stuff I needed in /home. and I have no idea how I configured this stuff, dammnit"18:11
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gabrbeddHee hee... I can't say I've dont /that/ -- but close.18:14
dotblankI have /home on a separate partition18:14
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_Lucretia_anybody replaced the toolchain in madde?18:15
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CosmoHillI wonder if anyone (probably kids) think that the intel processor range went: i3, i386, i486, i5, i586, i686, i718:16
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dotblanklol intel, I have a hp processor18:17
CosmoHillso do I :)18:17
CosmoHillHPPA 7100 80Mhz :)18:18
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CosmoHillis it wrong that my iPod can out perform this computer?18:18
dotblankIve got an Aztec Cortex in my phone18:18
CosmoHillipod: 2 x 80Mhz, 64MB RAM, 80GB HDD18:19
CosmoHillcomputer: 1 x 80Mhz, 64MB RAM, 1GB SCSI18:19
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dotblankmy phone outpowers my grandfathers computer18:19
CosmoHillwas he a grandad when he bought it?18:20
lcukwe got the to moon with a sliderule18:20
dotblank400mhz with a 700mb hard drive18:20
dotblankCosmoHill, no18:20
CosmoHillwas he a father?18:20
dotblankyes18:20
dotblankI'm fairly young18:20
lcukhttp://i.imgur.com/9h8HU.jpg18:21
CosmoHillis this where you say something older than me?18:21
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lcukCosmoHill, dotblank ^18:21
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dotblanklcuk, you browse reddit much?18:21
CosmoHilllol18:22
lcuktwitter at weekend18:22
lcuki retweeted and your conversation reminded me :P18:22
dotblankI wonder if we can port Space Trajectory Analysis to meego/maemo18:23
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dotblankI saw it was based off of qt18:23
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thiagois that a game?18:24
dotblankNo its used by the ESA and several schools18:24
lcukn900fly teaches people about trajectory analysis18:25
dotblankhttp://sta.estec.esa.int/Space_Trajectory_Analysis/Home.html18:25
thiagolcuk: yep18:25
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thiagoyou need to be good at that to beat the records18:25
lcukthiago, i wonder how it would work on space station18:25
lcukdo astronauts taken nokias into space?18:25
lcuk-n18:26
thiagolcuk: hmm... does the accelerometer measure gravity?18:26
* thiago tries18:26
dotblanklcuk, it would only show a change a velocity ie it would only register if you through it really fast or it hit a wall18:26
dotblankthiago, yes18:27
lcukdotblank, 20000mph18:27
dotblankit does18:27
gabrbeddthiago: I think you have to drop your N900 from the 3rd floor to get a good measurement.18:27
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thiagomy on-desk device isn't reporting anything18:27
lcukso it would get record supremeness if you fired it in a rocket and orbited a few times18:27
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thiagoso it requires free-fall to measure gravity18:27
lcukthing is, would the guy get a 3g signal18:27
dotblankit takes the second anti-derivative of gravity to determine the fall distance and measures time till zero g18:28
lcukcell tower handoffs at 35000feet are tough, 200miles can't be that much worse ;)18:28
dotblankits simple physics really18:29
thiagodotblank: you need to integrate twice18:29
dotblankthiago, right18:29
thiago"all computer problems can be solved by one extra level of indirection"18:29
thiago"all physics problems can be solved by one extra integral"18:29
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ali1234thiago: my n900 measures 1G directly down when "at rest" - as it should do18:29
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thiagoali1234: I have a different device...18:29
dotblankali1234, what happens if your on the moon18:29
lcukali1234, speak for yourself.  it measures whatever local gravity is around :P18:29
thiago/dev/input/accelerometer is quiet with the device at rest18:30
dotblankali1234, is there some constant set that determines what the 1g is?18:30
ali1234dotblank: it would measure 0.16 on the moon18:30
CosmoHillmine says "buy me"18:30
ali1234and yes, the chip can be calibrated18:30
afiefwhat's the name of the repository in which meego-panel resides?18:30
dotblankso you can make a n900 app determine what planet you are on18:31
ali1234not really no18:31
ali1234it doesn't know it is at rest18:31
dotblankI think it does18:31
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thiagosomething like this: http://www.google.com/codesearch/p?hl=pt-BR#owgze1-rCng/include/hardware/sensors.h&q=libhardware package:"git://android.git.kernel.org/platform/hardware/libhardware.git"&sa=N&cd=10&ct=rc ?18:31
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thiago#define GRAVITY_EARTH           (9.80665f)18:32
thiago#define GRAVITY_MOON            (1.6f)18:32
lcuko_O18:32
thiago#define GRAVITY_DEATH_STAR_I    (0.000000353036145f)18:32
fralshaha18:32
gabrbeddCosmoHill: lol!18:32
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afiefLet the world know: We are ready to operate on a death star I18:32
dotblankI thought the accelerometer would measure gravity?18:32
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dotblankhow else would it know?18:33
CosmoHillthiago: did you see the Qt app I started?18:33
thiagoCosmoHill: no, I haven't. Where is it?18:33
ali1234dotblank: it measures proper acceleration, which is "what you feel when you go in a lift"18:33
CosmoHillhttp://black-flag.co.uk/files/node-selector.png18:33
CosmoHillali1234: the thing that makes me close my eyes and be very very quiet?18:34
thiagoCosmoHill: interesting. Do we get the hardware that it controls too? :-)18:34
CosmoHillyou've got enough hardware you could probably vertialise my cluster AND out perform it18:35
dotblankWhy does the n900 accelerometer app show gravity then?18:35
* thiago wonders why the magnetometer has 3 axes18:35
CosmoHillsomething to do in long lifts?18:35
ali1234dotblank: because you're constantly accelerating towards the ground18:35
CosmoHillsomething for the kids to watch on a hilly road?18:36
dotblankali1234, right.... and that accel would be different on every planet18:36
ali1234dotblank: yes18:36
dotblankthus you can find out what planet you are on by using that app18:36
ali1234unless you're in freefall18:36
ali1234then it reads 0 on any planet18:36
dotblankali1234, right18:36
ali1234and so on...18:36
* gabrbedd wonders what planet he's on.18:37
ali1234it only works if the n900 is on the ground18:37
ali1234or rather, motionless relative to the ground18:37
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dotblankbecause of the reference frame of the accelerometer18:37
thiagogiven its name, I'd expect an accelerometer to measure the acceleration of gravity18:37
CosmoHill9.81m/s/s18:38
ali1234acceleration due to gravity is just one component of what it measures18:38
thiagofor a device at rest, I mean18:38
dotblankyes it could measure other things then just gravity18:38
thiagothe gravity vector points in one direction only, which may or may not match the accelerometer's axes18:38
thiagobut it should be constantly measuring it18:38
ali1234it does18:39
thiagothe only way not to see it would be to go to another planet18:39
ali1234or put the accelerometer into freefall18:39
dotblankyou could in thoery integrate position from the accel sensor and determine how far you've traveled in a car18:39
ali1234then it will read 018:39
thiagoali1234: that doesn't change the acceleration18:39
ali1234of course it does18:39
ali1234it changes the proper acceleration18:40
thiagonow, an accelerometer that measures the gravity isn't useful. It needs to measure the device's acceleration18:40
thiagoand if it's at rest, it's not accelerating18:40
ali1234it depends on the definition of "at rest"18:40
dotblankthe sensor still reads a force acting on it18:40
thiagonot subjected to external forces18:40
thiagonet unbalanced external forces18:41
ali1234"not subject to external forces" is impossible to achieve in the real universe18:41
thiagoright18:41
dotblankits actually the net for in relation to the n90018:41
gabrbeddif a device has constant velocity... it is not accelerating.  So an accelerometer should read 0.18:41
thiagonot subjected to net unbanalanced external focrces18:41
dotblankforce18:41
dotblankthe n900 at rest has net force zero18:41
thiagoif the vector sum of all forces is null, then the accelerometer should zero in all axes18:42
thiagowhich it's doing18:42
dotblankif the n900 is falling.. the sensor relative to the n900 sees a force of 018:43
thiagothat seems wrong18:43
thiagoit's also different from the device I'm playing with18:43
gabrbedddotblank: No, if the N900 is in terminal velocity... it sees 0.18:43
ali1234in fact gravity is the one thing an accelerometer does not measure18:43
gabrbedddotblank: But when you first drop it, it sees 9.81 m/s^2.18:43
thiagoali1234: why not?18:44
dotblankOk I just installed an app to measure it on my n90018:44
thiagojust put it in free-fall18:44
CosmoHillI love it when new members join the forums (not meego) and instantly get into a fight with regulars18:44
dotblankat rest it reads -0.93 on the z axis18:44
* thiago doesn't know how to read from /dev/input18:44
ali1234the 9.8 /1G reading you get when the n900 is sitting on the floor is due to the reaction force exerted by the floor on the n900 which stops the n900 from being sucked to the core of the planet18:44
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CosmoHillthis is a weird physics lesson18:45
dotblankali1234, right that makes sense18:45
thiagoali1234: the accelerometer shouldn't read anything if it's not being accelerated18:45
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dotblankali1234, but what direction is the positive z direction relative to the n900?18:46
dotblankcause I read -0.9318:46
GAN900thiago, it's always being accelerated on a planet.18:46
ali1234dotblank: it's either up or down depending on how you look at it18:46
thiagoGAN900: no, it's not18:46
thiagoit's always subjected to gravity, that's different18:46
rkbmin free fall it's not18:46
thiagorkbm: no, in free fall it's being accelerated18:46
thiagoat rest, it's not accelerating18:47
dotblankthe frame of referance to the n900 and the sensor sees 0 acceleration18:47
thiagoyou can make a device that measures the gravity18:47
dotblankthiago, in freefall its accelerating relative to the ground18:47
dotblankthiago, but the n900 can't see that18:47
thiagoand I can imagine that some accelerometer devices actually report the acceleration of gravity, as if the device were in free fall18:47
dotblankthiago, right now my n900 is reporting the reactive force of my desk with my n900 which happens to = gravity in the opposite direction18:48
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thiagoimagine the accelerometer is 3-axis spring+load system18:49
thiagoand the value reported is the extension of the spring18:49
thiagothe spring parallel to gravity will be reporting acceleration18:49
dotblankin free fall it reports 0 acceleration18:49
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ali1234if you put that on a space station in orbit it will read 018:50
thiagobut the device isn't being accelerated18:50
dotblankthiago, but in freefall the device whatever the spring is connected to is also accelerating18:50
ali1234but if the space station is not affected by gravity, what keeps it in orbit?18:50
thiagodotblank: right. That's a construction issue18:50
thiagoali1234: the space stations are in constant free-fall18:50
ali1234exactly. free-fall = weightless = accelerometer reads 018:51
thiagoI think it just depends on the device's construction18:51
dotblankali1234, ats actually the centrifugal force acting on the station.. thats why it has to move fast around the earth18:51
thiagodotblank: centrifugal force is fictitious18:51
ali1234centripetal force isn't though18:52
dotblankI might have gotten 2 of them backwards18:52
ali1234and the orbit speed does have to be correct to balance everything out18:52
thiagoali1234: in the device I described, the accelerometer would read the gravity18:52
gabrbeddali1234: No, free-fall is not weightless.  Terminal velocity is.18:52
thiagoali1234: but it could be constructed in a way that it measures actual acceleration of the device18:52
thiagoali1234: and if it's at rest, it's not being accelerated18:53
dotblankwell I have my n900 right now and when the device is at rest it measures gravity when falling it measures 018:53
ali1234gabrbedd: no. free-fall = weightless. terminal velocity = the max speed due to wind resistance, and since you stop accelerating here, you stop being weightless too18:53
thiagothink about an INS: it's constantly integrating the acceleration to calculate the position18:53
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rkbmwhen youre trapped in a box unable to look outside you won't be able to distinguish if any acceleration you feel is caused by gravity or something else (rocket engine etc.).18:53
gabrbeddali1234: Look, acceleration is the time-derivative of velocity.18:54
thiagoif one axis is measuring acceleration, then the integration will conclude that you have velocity in that direction (and that velocity is changing), and therefore your position is changing18:54
gabrbeddali1234: If your velocity is changing... you are accelerating.18:54
gabrbeddali1234: When your velocity stops changing, acceleration is 0.18:54
dotblankin referance to the ground18:54
thiagono reference18:54
ali1234gabrbedd: and that has nothing to do with "weightlessness"18:55
thiagoacceleration doesn't need reference18:55
dotblankbut say some other object falling nexct to you its 018:55
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dotblankthiago, ummm.....18:55
gabrbeddali1234: Terminal velocity is when wind resistance is enough to overcome the force of gravity and your accel. goes to 0.18:55
ali1234that's right18:55
gabrbeddali1234: When your accelleration is 0, then is is an experience like weightlessness.18:55
dotblankposition is relative and it doesn't matter if you take a derivitive of it its still relative18:55
ali1234so since you are no longer in free fall you are no longer weightless18:55
thiagogabrbedd: no, that's the experience of being at rest18:56
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dotblankin fact acceleration HAS to be relative18:56
thiagodotblank: no... velocity has to18:56
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thiagodotblank: speed is relative. Acceleration isn't.18:57
dotblankthiago, mathematically it doesn't18:57
thiagodotblank: physically it is18:57
thiagoif you're in an accelerating frame of reference, you'll find fictitious forces18:57
thiagoforces that seemingly violate the Action/Reaction law18:57
dotblankso what your saying is that acceleration isn't relative?18:57
dotblankwhat?18:57
thiagoyes, I am18:58
thiagoat least in classical physics18:58
thiagoto make it non-relative, you need to go to General Relativity18:58
dotblankum im not so sure of that18:58
dotblankhow can it be18:58
* CosmoHill gets itchy trigger fingers18:58
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CosmoHillthat wasn't me18:58
thiagodotblank: imagine it like this: you're at the same velocity as your frame of reference18:58
dotblankk18:58
thiagothat is, you're inside this train carriage18:58
dotblankright18:59
thiagoacceleration is zero for both18:59
dotblankright18:59
thiagonow you suddenly accelerate. The train doesn't.18:59
thiagoyou notice it, right?18:59
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dotblankright18:59
thiagonow imagine the inverse: the train accelerates18:59
thiagoif you're standing in the middle of the carriage, you notice it, right?18:59
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dotblankright19:00
thiagowhat if you're standing leaning on the bulkhead19:00
dotblankbut thats inertia19:00
thiagoyou'll accelerate with the train, right?19:00
ali1234if you are leaning on the bulkhead you feel exactly the same thing19:00
thiagobut you still feel it19:00
dotblankif you don't move in the train and the train accelerates19:00
ali1234you still feel the acceleration19:00
thiagothat's exactly it: inertia19:00
* TSCHAKeee2 smiles19:00
dotblankthen technically your acceleration to the train is 0 relative to the train19:01
dotblankto the ground its differant19:01
thiagoright, but you felt the acceleration, right?19:01
thiagoeven if you couldn't see outside19:01
dotblankright19:01
gabrbeddFYI:  the vomit comet is designed to emulate a 0g environment.  The 0g portion is at the top when acceleration is close to 0.    http://en.wikipedia.org/wiki/Vomit_Comet19:01
thiagothat means you can tell an accelerating frame of reference from an inertial one19:01
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TSCHAKeee2especially when you're drunk19:02
thiagoyep19:02
TSCHAKeee2*ba-dum-ching*19:02
thiagoa good example of a non-inertial frame of reference is the surface of the Earth19:02
thiagofill a bucket of water and make hole in the bottom19:02
thiagosee a vortex effect?19:02
TSCHAKeee2;)19:02
ali1234oh no...19:03
dotblankthiago, well you may need to scale it slightly larger19:03
thiagoit's a simple test to verify that you are in a non-inertial frame of reference19:03
thiagothe coriolis force is fictitious19:03
dotblanklets say our entire solar system is accelerating towards some black hole.. would you feel it?19:04
thiagoyes19:05
ali1234how?19:05
thiagoby measuring a fictitious force19:05
ali1234you can't measure an individual force19:05
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thiagoyou can19:05
ali1234you can only measure the sum of them19:05
thiagoright19:06
thiagobut if you account for everything else and you still have a non-zero result...19:06
ali1234so how does your measurement device measure "everything else" in order to subtract it?19:06
thiagoimagine we're on a spaceship with no windows and we're accelerating towards a black hole19:06
ali1234ok19:07
thiagoif you put a ball on a table, it's going to fall, right?19:07
ali1234no19:07
ali1234everything in the spaceship will be weightless19:07
thiago(suppose we have artificial gravity)19:07
dotblankyou would feel inertial force in opposition to the acceleration towards the black holes19:07
thiagoyes19:07
thiagoeven if we are outside of gravity19:07
thiagothe ball will still fall towards one of the bulkheads19:07
ali1234no, that's incorrect19:07
thiagosorry, it is19:07
dotblankbut the question is more on the lines of inertia19:07
gabrbeddif you're accel. toward a black hole... you're not actually "weightless" -- you're in a micro-g environment.19:07
gabrbeddmass is the measure of interia.  acceleration is the rate of change of velocity.19:08
dotblankinertia resists change in position right? so there must be a way to have absolute position then19:08
gabrbeddmass x accelertation = force.19:08
thiagodotblank: resists change in velocity19:08
gabrbeddinertia is a tendency to resist change.19:09
dotblankthiago, ah ok19:09
thiagoyou can measure gravity, right?19:09
thiagomy spring and load system19:09
ali1234no19:09
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thiagoif you put a load at one end of a spring and hold it upright, you won't notice that the spring is extended?19:10
dotblankyou can measure the normal reactive force against gravity19:10
ali1234yeah but that isn't measuring gravity19:10
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dotblankit happens to equal gravity soo19:10
thiagowell, you're measuring the extension of the spring19:10
ali1234that's measuring proper acceleration19:10
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thiagofrom the extension of the spring, you can calculate the force that the load was subjected to19:11
ali1234if i grab the weight and pull on it, did gravity change?19:11
thiagoali1234: that's another good example19:11
dotblankactually the centripetal force of use spining around earth's axis is subtracting from gravity we experiance19:11
dotblankus*19:11
gabrbeddMeasuring gravity with high precision:  http://www.earthsci.unimelb.edu.au/ES304/MODULES/GRAV/NOTES/measgrv.html19:11
thiagoif there were no gravity, the load would stay in constant direction after you ceased pulling on it19:11
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thiagoright?19:11
thiagonewton's first law19:12
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dotblankI feel like asking #physics19:12
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thiagolet's try this: pick up something, hold it with your arm extended, then open your hand19:13
thiagodoes it fall?19:13
dotblankthiago, yes19:13
* ShadowJK imagines the gravity gradient would let you determine the direction of the sum of all gravity forces you're experiencing, but not the magnitude without observing your acceleration19:13
thiagothat means the object, which was at rest, was accelerated, right?19:13
dotblankthiago, right but from the ferefance of the rock the molecules did not change in relation to each other19:13
thiagowe concluded that from newton's first law19:14
thiagothe second law says there was a force19:14
thiagothe third law says there must have been a reaction force19:14
thiagowhere is it?19:14
gabrbedddotblank: Centripetal acceleration is velocity^2 / radius... I've never calculated it for earth... but I'll bet it's small enough for you to ignore it on the N900.  :-)19:14
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ali1234just because there was a force and an acceleration does not mean you can measure it19:15
dotblankgabrbedd, maybe it would affect it by 0.01 m/s^s19:15
thiagoali1234: I didn't say you had to measure it19:15
thiagoali1234: but the point is that you can see its effects19:15
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ali1234you can see it's effects sure19:15
thiagothat's what I am saying19:15
thiagoif you're in a frame of reference subjected to acceleration, you can see its effects19:16
thiagoand yes, you can measure the net acceleration19:16
ali1234so how are you going to build an accelerometer that measures "real" acceleration?19:16
dotblankthiago, not acceleration but the affect of inertia19:16
dotblankthiago, relative to the train you did not accelerate when the train accelerated19:17
thiagohence, going back to the earlier discussion: acceleration is not relative in classical physics19:17
dotblankbut you still felt inertia19:17
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gabrbedddotblank: Centripetal accel is about 3.39 cm/s^2... which is about 0.35% the size of earth's gravitational acceleration.  http://van.physics.illinois.edu/qa/listing.php?id=18619:17
thiagodotblank: actually, you felt the force that pushed you19:17
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thiagodotblank: are you sitting down?19:18
dotblankthiago, and.. if you didn't move you didn't accelerate19:18
dotblank*relative to the train19:18
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thiagodotblank: that's the point!19:18
CosmoHillso if the channel's dead I just need to ask a physics question?19:18
thiagodotblank: you felt a force, didn't you?19:18
thiagoCosmoHill: you can ask meego questions in #physics :-)19:18
CosmoHillyay19:18
dotblankthiago, right but inertia isn't bound by frame of referance19:18
thiagodotblank: inertia isn't19:19
dotblankbut acceleration is19:19
thiagodotblank: the point is that if you're in the train, standing with your back to the bulkhead and the train accelerates forward, you do feel a force19:19
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thiagoyou're pushed19:19
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thiagobut you didn't move relative to the train, right?19:19
dotblankso im sitting on train the train goes faster my rate or change of my rate of change of position is not relative?19:20
thiagosorry?19:20
dotblankthiago, I guess the point is inertia isn't relative19:20
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thiagoinertia isn't relative19:20
dotblankright19:20
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dotblankbut my acceleration is relative to the train19:20
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thiagoif you start walking in the train, you had acceleration relative to the train19:21
dotblankif I don't move when the train accelerates then my accel realtive to the train is still zero19:21
thiagocorrect19:21
thiagobut you felt the acceleration, right?19:21
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dotblankregardless of inertia19:21
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thiagodid you feel the acceleration?19:21
dotblankthiago, more accurately you feel inertia not acceleration19:22
ali1234what you felt was the *proper* acceleration19:22
thiagoyou can't feel inertia. You felt that your body resisted to the acceleration.19:22
thiagoanyway, you felt something19:22
dotblankacceleration HAS to be relative19:22
thiagodoesn't matter what we call it, you felt something.19:22
gabrbedddotblank: Why does it HAVE to be relative?19:23
jacekowskiyou assume that he can feel and he's not dead19:23
thiagowe know that acceleration equates to change in velocity19:23
thiagobut you didn't change position, so your velocity (relative to the train) is zero19:23
thiagowas zero, continues to be zero19:23
dotblankright but velocity is relative19:23
thiagohow do you explain that?19:23
jacekowskibecause it's relative19:23
jacekowskieverything is relative19:23
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thiagojacekowski: acceleration and the speed of light aren't19:23
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thiagoso we go back to what I said: you *know* the train accelerated19:24
thiagothat means you don't need an external reference to know that it accelerated19:24
thiagotherefore, acceleration isn't relative to an external reference19:24
ali1234no19:25
jacekowskior earth stopped19:25
ali1234how do you tell the difference between constant acceleration of the train, and the train carriage standing on end?19:25
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thiagoali1234: you don't, but that's not the point19:26
thiagoali1234: you still feel the acceleration19:26
ali1234thiago: it's entirely the point19:26
ali1234you can't separate out the forces to remove reaction due to gravity19:26
CosmoHillturns out people who love meego also love physics19:26
thiagoali1234: you're back at the accelerometer?19:26
ali1234so you can't measure the "everything else" component, and therefore you can't measure gravity19:26
* thiago was talking about "acceleration is relative" part19:26
jacekowskiali1234: gravity == force19:27
ali1234yes19:27
jacekowskiand you can measure it19:27
CosmoHillthe dark side = force19:27
ali1234you can measure it *under controlled conditions*19:27
thiagolol19:27
gabrbeddCosmoHill: Don't give in to hate!19:27
CosmoHillit takes so much effort to hold a grudge19:28
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thiagoali1234: ok, on the accelerometer: my spring+load accelerometer would find that there is a force in one direction19:28
thiagoali1234: and it can't tell if it is the train accelerating or standing on end19:29
dotblankbut back to the original point and from empirical evidance from my n900 the sensor shows zero force in free fall and a reaction force opposing gravity at rest19:29
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ali1234dotblank: cos it is using the "spring+load system" with tiny MEMS springs19:29
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gabrbedddotblank: What happens if you turn the N900 on its side?19:30
dotblankgabrbedd, samething just along a different axis19:30
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thiagoanyway, there must be a way of calibrating the system so that it can compensate for that19:30
dotblankgabrbedd, but its much harder to read19:30
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thiagothe device isn't accelerating, so the accelerometer shouldn't be giving you an acceleration on one direction19:31
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thiagoI'm not saying that the device that is on the N900 can do it19:31
gabrbeddSo, it's like ali1234 says... they have a spring or gyro actually measuring the force of gravity... and compensating the accelerometer's readout through software.19:31
thiagoI'm saying that other types of accelerometers can do it, because these exist: http://en.wikipedia.org/wiki/Inertial_navigation_system19:31
jacekowskithiago: acceleration == force19:31
jacekowskithiago: and there is downwards force19:31
jacekowskithiago: always19:31
thiagojacekowski: there's also an upwards force of the desk19:31
ali1234no, there is no "compensating" involved19:31
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thiagojacekowski: and the accelerometer isn't measuring that, yet the device *is* subject to it19:32
gabrbeddali1234: Ok.  An accelerometer reporting non-zero when the device is stationary is broken.19:32
ali1234the upwards force of the desk is what it is measuring19:32
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thiagoali1234: that's just a change of sign19:32
thiagothe point is that the accelerometer reports a non-zero acceleration, right?19:33
ali1234with a spring balance you don['t measure gravity, you measure the force of your hand holding it against gravity19:33
thiagoyet empirical evidence says it's not accelerating19:33
dotblankmy accelerometer must be broken then19:33
thiagoali1234: you don't need a spring for that :-)19:33
ali1234if you let go of the top the spring returns to rest length, even though it is still under the force of gravity19:33
ali1234gravity didn't go away19:33
dotblankim reading -0.93 gs on the z axis on my desk right now19:33
gabrbedddotblank: I was drawing an absurd conclusion based on "there is no 'compensating' involved"19:34
ali1234gravity is the only thing it *doesn't* measure19:34
gabrbedddotblank: Obviously something is fiddling with the accelerometer's reading.19:34
dotblankgabrbedd, how its seems very raw and not manipulative to me19:34
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gabrbeddacceleration = (d/dt)(mv).  If m is constant, and v is constant... then acceleration is zero.  http://en.wikipedia.org/wiki/Acceleration19:35
gabrbeddSo an acceleratometer that reports non-zero when velocity is constant (e.g. 0) has been "tampered with"19:36
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dotblankso its more measuring force19:37
ali1234it's measuring proper acceleration aka g-force19:37
thiago"An accelerometer at rest relative to the Earth's surface will indicate approximately 1 g upwards, because any point on the Earth's surface is accelerating upwards relative to the local inertial frame (the frame of a freely falling object near the surface)."19:38
thiago- http://en.wikipedia.org/wiki/Accelerometer19:38
thiago"The reason for the appearance of a gravitational offset is Einstein's equivalence principle,[2] which states that the effects of gravity on an object are indistinguishable from acceleration. "19:38
gabrbedddoh!  that formula was hasty... accleration is dv/dt.19:38
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anndyhi everyone19:41
amjadhi anndy19:41
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thiagothere, I'm convinced that an accelerometer will read 1g19:41
ali1234(at rest, on earth) :)19:41
thiagoyes19:41
anndyi have download the headset image and setup the environment on my ubuntu 1.04 box as per the instruction given on the wiki page19:42
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ali1234if your accelerometer is reading 0 it might be miscalibrated... if you turn it upside down does it read 2?19:42
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thiagoali1234: I'm probably not reading it right19:42
anndybut finally when i run the emulator it is showing a blank screen19:43
ali1234i have heard of the accelerometer chips randomly recalibrating themselves19:43
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gabrbeddthiago:  Yeah... I'm not sure that article is correct when it says, "An accelerometer at rest relative to the Earth's surface will indicate approximately 1 g upwards, because any point on the Earth's surface is accelerating upwards relative to the local inertial frame (the frame of a freely falling object near the surface)."19:44
anndynot able to understand which step i am missing which is causing this problem19:44
CosmoHillwell the two newies members have been banned19:44
thiagoali1234: it reads +/- 1000 on the axis19:44
thiagogabrbedd: that passage is weird19:44
CosmoHill(from KPC)19:44
thiagogabrbedd: I accept that the accelerometer measures it19:44
ali1234that passage is correct19:45
gabrbeddhttp://en.wikipedia.org/wiki/Gravimeter19:45
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ali1234thiago: it reads milli gs (at least n900 one does)19:46
thiagoali1234: yep19:46
thiagoali1234: my complaint is that the accelerometer is reading an acceleration, yet I'm seeing that my device is at rest19:47
ali1234*proper* acceleration19:47
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thiagoif a=dv/dt, and a != 0, then why isn't v changing?19:47
vgradehas a flash back to A-level Physics while backreading19:47
ali1234because *proper* acceleration isn't the same thing as a in that equation19:47
thiagounderstood19:48
ali1234just like "g-force" isn't the same thing as gravity :)19:48
gabrbeddI think this may be what's happening, from the "Accelerometer" article:  Modern accelerometers are often small micro electro-mechanical systems (MEMS), and are indeed the simplest MEMS devices possible, consisting of little more than a cantilever beam with a proof mass (also known as seismic mass). Damping results from the residual gas sealed in the device. As long as the Q-factor is not too low, damping does not result in a lower19:49
gabrbedd sensitivity.19:49
thiagogabrbedd: the same article says that an accelerometer needs to be calibrated to be used as an INS19:49
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thiagoknowledge of the local gravity is necessary19:50
gabrbeddIn this case, the cantilevered beam will be deflected as a result of gravity.19:50
ali1234gravity or acceleration19:50
ali1234you can't tell which it is19:50
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gabrbeddBTW, cantilever with mass is a spring + mass system.19:50
gabrbeddSo, it's actually constantly measureing the weights at the ends of the cantilevers... and is translating that to acceleration.19:51
ali1234yes19:51
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thiagoali1234: no, you can't19:52
ali1234i know, that's what i said :)19:52
thiagoali1234: but the phone is also under another force, by the desk19:52
thiagoand that isn't being measured19:52
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ali1234it is19:52
ali1234the force of the desk is being measured, the for of gravity is not19:53
thiagofair enough19:53
ali1234remove desk -> phone free-falls -> accelerometer reads 019:53
thiagothere's still one force not being measured19:53
gabrbeddAs a mech. eng... I typically don't think of the "cantilevered beam" system as an accelerometer -- but that's being nit-picky.  It can be used as one.19:53
gabrbeddali1234:  Which is goofy -- because when the phone falls, it ACCELERATES.19:54
thiagogabrbedd: yep19:54
thiagogabrbedd: what's happening is that the accelerometer measures acceleration in a non-inertial frame of reference19:54
thiagoin the frame of reference of an object in free-fall (accelerating in local gravity)19:55
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ali1234yes, the proper acceleration is 0, not the acceleration19:55
ali1234you can't measure gravity, only it's effect19:56
thiagothat's why it measures a fictitious force: an object at rest sees one unbalanced force19:56
ali1234that's why a gravimeter has to be in an extremely controlled environment (like a satellite in space)19:56
gabrbeddum... what's the difference between "proper acceleration" and "acceleration"19:56
ali1234there has to be no other acceleration on it for it to work19:56
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thiagogabrbedd: from what I can tell, your acceleration relative to your frame of reference19:57
ali1234gabrbedd: proper acceleration is is the acceleration relative to an object in free-fall in local gravity19:57
thiagowhich is a non-inertial frame of reference19:57
gabrbeddHoly Crap!!19:58
gabrbeddI've been Nerd Sniped!!19:58
gabrbeddhttp://xkcd.com/356/19:58
gabrbeddI still disagree... but I gotta go.  :-)19:59
thiagolol19:59
gabrbeddY'all have a great day!19:59
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ali1234proper acceleration is basically defined as "what an accelerometer measures" :)20:00
thiagoyep20:00
CosmoHillthanks gabrbedd that reminds me that I should read today's comics20:01
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gabrbeddCosmoHill: Any time!20:01
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possomfatanyone on20:05
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possomfattry to build custom image for a device and getting an error - using Fedora 12, any know this process?20:06
dotblankpossomfat, Ive been getting errors too20:06
dotblankpossomfat, what error?20:06
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possomfatTHis is what I type and the error I'm getting - sudo mic-image-creator --run-mode=0 --cache=mycachedir --format=raw --arch=armv7l --save-kernel --config=meego-codedrop-arm-n900-2010033116.ks  Error: failed to create image : URLGrabber error: [Errno 14] HTTP Error 404 : http://repo.meego.com/MeeGo/devel/trunk/repo/arm/os/repodata/repomd.xml : http://repo.meego.com/MeeGo/devel/trunk/repo/arm/os/repodata/repomd.xml20:07
dotblankah possomfat you need to install urlgrabber20:07
possomfatwhere is it20:07
dotblankoh wait nvm20:08
dotblanklooks like you have it20:08
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dotblankdid you double check the urls20:08
dotblankthose urls are giving me not found20:08
possomfatI just cut and pasted them from the site.  The mic-image-creator did the rest, how would I check them?20:09
dotblankopen it in a web browser20:09
dotblankthe links20:09
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possomfatDo you think these are part of the .ks file I'm using or that the site has an error?20:10
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possomfatdotblank: any ideas?20:11
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dotblankpossomfat, the .ks files20:16
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* thiago finishes reading lots of articles on Wikipedia and regains his respect for physics20:36
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hhartzis there a recently updated image of the meego handset distribution? or just the preview?20:39
thiagohhartz: repo.meego.com20:39
hhartzthiago: thanks :)20:39
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thiagohttp://repo.meego.com/MeeGo/builds/1.0.80/1.0.90.1.20100903.1/handset/images/20:39
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hhartzthiago: I guess I should pick the ava dev one if I want to try getting Qt Quick Components to build?20:40
thiagothe latest "release" is 20100831 though20:40
hhartzwhat is mtf?20:40
hhartzhttp://repo.meego.com/MeeGo/builds/trunk/1.0.90.1.20100903.1/handset/images/20:40
thiagothat one is just the daily build20:40
thiagothe aava one will run on any Core2- or Atom-powered device20:41
thiagomtf = meegotouch framework20:41
hhartzgotcha20:41
hhartzseptember 3rd20:41
thiagoyeah, but that's not a release20:41
thiagoit's a daily build20:41
thiagoyou may want to try the 0831 one to be sure20:41
hhartzok20:41
thiagohttp://repo.meego.com/MeeGo/builds/1.0.80/1.0.90.0.20100831.1/core/images/meego-core-armv7l-madde-sysroot/20:42
thiagowait, that's handset20:42
hhartzoooh, n900 images too20:42
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thiagoyeah20:42
hhartzit's handset I want20:42
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ali1234what's the current state on Qt opengl stuff? i want to port my dice simulator to meego now after accelerometer discussion :)20:43
hhartzbut I assume http://repo.meego.com/MeeGo/builds/1.0.80/1.0.90.0.20100831.1/core/images/meego-core-ia32-madde-sysroot/ for desktops right?20:43
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thiagosee here for details: http://lists.meego.com/pipermail/meego-dev/2010-September/005387.html20:43
thiagoit's a sysroot for madde for building to ia3220:43
hhartzali1234: Qt OpenGL works just fine... it's more giving you convenience in setting up the context etc. should be a matter of stuffing your code in the virtual updateGL call20:43
thiagoit will run on ia32 (Atom, Core2)20:44
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ali1234yeah but... gles20:44
thiagoali1234: gles works too20:44
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ali1234someone mentioned some utility functions that go some way to replacing the missing things in gles 2.0...20:44
ali1234like matrix ops etc20:44
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thiagoprobably me20:44
thiagothe math functions and enablers are in 4.7 already, right hhartz ?20:45
thiagothe rest of the 3d code is in a separate module20:45
hhartzthiago: yeah20:45
hhartzthiago: ali1234: I think there's a post by rhys on labs.qt.nokia.com20:45
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thiagohhartz: note that n900 images replace Maemo5 (though you can simply chroot into it and run the app from there)20:47
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ali1234i have dual boot :)20:47
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hhartzhehe20:47
thiagoor dual boot, yeah20:47
ali1234i ported u-boot for this purpose...20:47
* thiago wonders if PR1.3 improves dual-boot support20:47
ali1234don't even need to reflash20:47
ali1234i don;t use multiboot20:48
thiagoI could try that, but I need at least one reliable phone20:48
ali1234so maemo kernel has no effect on boot speed of other OS20:48
thiagocan't use devel images on *both* of my phones20:48
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ali1234well this dual boot is invisible to maemo :)20:48
thiagobut is maemo still running?20:49
ali1234no20:49
CosmoHillsounds like something I need20:49
thiagothat's the problem20:49
thiagoI need my phone to work :)20:49
ali1234yeah i see20:49
thiagomy other phone is already quite unstable20:49
CosmoHillmy sony still works20:49
thiagolove when the touchscreen freezes while I'm in a call, so I have to reboot to hang up20:49
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CosmoHillsure, there's a k800i size dent in my door frame >.>20:50
lpotterthiago: sounds like the Greenphone20:50
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ali1234does Qt wrap enough of GL that the same program can run on a desktop machine with opengl or a handset with gles?20:51
thiagolpotter: yeah, but it's a device much more powerful than the greenphone :-)20:51
thiagoali1234: if you stick to what's common between GLES and GL, yes20:51
thiagoali1234: especially GL2 and GLES220:51
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ali1234ok cool, that's what i'll do then20:51
thiagodepends on what you're asking20:51
thiagoQt will do a lot of GL operations for you, like all of the QPainter primitives20:51
ali1234i'm asking if i can develop my app on a PC and then just recompile it for meego20:52
thiagothose will be desktop GL on desktops, and GLES on embedded20:52
thiagoif you don't write any GL code, your app will be "cross-GL", yet GL-accelerated20:52
ali1234well i want to draw 3d objects...20:52
thiagoif you write GL code, then you have to be careful about what you call20:52
ali1234i don't care how... as long as they are 3d and it is fast20:52
thiagofor Qt 4.8, one thing we're planning on doing is offering a set of functions that wrap either, so you don't have to care20:53
thiagothey are like what you know from GL, not Qt API20:53
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thiagobut if you want to do 3D, do take a look at the Qt3D project20:53
ali1234well i know both so.....20:53
thiagoespecially qml3d :-)20:53
ali1234http://www.youtube.com/watch?v=8CcfG5uxSOw20:53
ali1234i want to port this ^20:53
ali1234but i want to write it in Qt so it runs anywhere Qt runs20:53
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thiagolet's see20:54
thiagosounds like a job for Qt3D20:54
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ali1234ah i found that post now20:54
thiagohttp://qt.gitorious.org/qt-labs/qt3d20:54
ali1234http://labs.trolltech.com/blogs/2009/11/10/qt3d-features-in-qt-46/20:54
thiagothat's just the enablers20:55
ali1234it says enablers includes shader stuff... that's about 99% of the annoying difficult code20:55
thiagohttp://doc.qt.nokia.com/qt3d-snapshot/index.html this is the library20:55
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ali1234QGLCube ... perfect :)20:56
thiagosee also this: http://labs.trolltech.com/blogs/2009/11/18/qt3d-brings-qt-style-coding-to-3d/20:56
ali1234yes, this is exactly what i need20:56
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thiagoyou should be able to write the dice entirely in QML + qml3d20:56
ali1234i had planned on adding other-than-cube shaped dice20:57
ali1234and also change the physical engine to bullet20:57
thiagoI'll let you play with it20:57
thiagoif you need some help, lpotter can find you the developers to talk to20:57
thiagoin a couple of hours. lpotter is an early riser. :-)20:57
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Duckbootanyone played with multiboot and meego+maemo?20:58
ali1234hmm so if i want to use this to make programs that run on ubuntu, i'll need to build a newer Qt version? i currently have 4.6.220:59
* lpotter blinks20:59
ali1234Duckboot: i have implemented dual boot using u-boot which avoids the whole multiboot mess20:59
ali1234Duckboot: http://al.robotfuzz.com/~al/maemo/u-boot/21:00
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Duckbootali1234: Well - I want to use 1 boot-program, so I can boot Maemo/Meego/NitDroid21:00
ali1234Duckboot: no reason it can't boot nitdroid too if the developers supply correct kernel and initrd21:01
CosmoHilli think it's safe to say that my VM has crashed21:01
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thiagoali1234: some enablers are in 4.621:02
Duckbootali1234: Latest multiboot makes use of the same principles - Initrd and kernel.21:02
thiagoali1234: see the 4.6 documentation21:02
thiagoali1234: but qml3d requires Qt 4.721:02
Duckbootali1234: So - Then I have to research a bit on my own then.21:03
ali1234Duckboot: i tried nitdroid but their kernel doesn't include a mmc driver - it's a module21:03
DuckbootBut first - Shop a class 6 or 10 MicroSD21:04
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ali1234Duckboot: and i couldn't find the initrd with the module... it seems to rely on multiboot to mount rootfs before kexec or someweird stuff like that21:04
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Duckbootali1234: Hmm - Kk - Looking into it now21:04
ali1234Duckboot: so i tried to recompile kernel with MMC built it... but it failed to boot still21:04
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Duckbootali1234: I think there is some "magic" involved there - "If rootfs is on mmc then load proper modules"21:10
ali1234yes21:12
ali1234unfortunately multiboot is complicated21:12
ali1234i didn't have time to figure it out21:12
ali1234it just needs a proper initrd or to have the kernel built with the right drivers built in, then it will work21:12
Duckbootali1234: Mmm - Time is a severly limited resource.21:12
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tripzerowhere do the connman test scripts get installed?21:29
vljhi21:29
vljlbt ping21:29
theplicguys why am i getting this error: /usr/lib/gcc/i586-meego-linux/4.5.0/../../../../include/c++/4.5.0/bits/c++0x_warning.h:31: error: #error This file requires compiler and library support for the upcoming ISO C++ standard, C++0x. This support is currently experimental, and must be enabled with the -std=c++0x or -std=gnu++0x compiler options.21:29
theplicim using the meego netbook sdk21:30
vljStskeeps: ping21:30
tripzerotheplic, what are you compiling?21:31
thiago_hometripzero: what is the "this file was included from" ?21:31
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tripzerovlj, Stskeeps is probably sleeping21:31
vljok21:31
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theplictripzero: a demo project in qt creator21:31
thiago_homeI mean theplic21:31
thiago_hometheplic: what was the #include that triggered that warning?21:31
vljthere is nobody that use obs.maemo at the moment ?21:31
tripzerovlj, i do21:31
vljok21:31
theplicuhm probably #include <random> ?21:31
theplicthats the only thing i added21:32
vljdo you know if thee is a Meego : update  repository ?21:32
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vljand do you know where I can found an updated meego src.rpm for xorg-xserver ?21:32
thiago_hometheplic: that looks like a C++0x header21:32
tripzeroi think there is a meego update repo21:32
thiago_hometheplic: so you have two choices: enable C++0x, or don't include taht header21:32
tripzeroidk about the src.rpm for xorg-xserver21:33
vlj=(21:33
tripzerotheplic, QMAKE_CXXFLAGS += --std=c++0x21:33
theplichow do i get rand() functions without that header? is there an alternative?21:33
tripzeroiirc21:33
thiago_hometheplic: that's not rand()21:33
tripzerotheplic, qrand()?21:33
theplicsrand21:33
thiago_homeran you get from <cstdlib>21:33
thiago_homeor use the Qt random functions21:33
theplicrandom also include cstdlib21:33
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thiago_homebut cstdlib doesn't include random21:34
thiago_homethey are not the same thing21:34
thepliccan you point me to the qt random function class21:34
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theplici meant random.h includes cstdlib.h21:34
theplicso i get those functions as well21:34
thiago_homeqrand21:35
thiago_homehttp://doc.qt.nokia.com/latest/qtglobal.html#qrand21:35
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theplicthiago_home: thanks. but why is QtGlobal not present in the all classes index?21:37
thiago_homebecause it's not a class21:37
theplicoh ok21:38
tripzerotis a header21:39
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theplicthanks you. the demo works :)21:40
theplic-s21:40
* thiago_home loves how the C++ committee thought it was important to let you choose the random distribution's uniformity and PRNG's algorithm21:41
thiago_homebut forgot the simple task of "how do I put such a generator in my class"21:41
theplic:S21:42
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vljby the way21:42
* theplic loves how the qt community came in with the help21:42
theplic:D21:42
theplicwell meego/qt anyway21:42
vljwhen will all c++1x specs be ..."released" ?21:42
vljs/released/finalised21:42
thiago_homevlj: they are in final draft now21:42
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thiago_homedone by 2011, released in 201221:43
thiago_homewe're considering turning it on by default in Qt as of 4.821:43
vljyup but they were in final draft last year too :p21:43
vljok21:43
vljyou work for qt ?21:43
thiago_homeyep21:43
theplicawesome21:43
vljdo you think you will "discard" some qt threads function in favor of c++ standard ones ?21:44
tripzeroprobably not21:44
tripzeroi mean "i hope to [some diety] not21:44
tripzero"21:44
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vljI do prefer c++ standard because, well, it is standard21:44
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thiago_homevlj: discard? no21:45
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vljit is easier to complain about a bad compiler :p21:45
thiago_homevlj: but if the std::thread class is useful, we may use it instead of pthread or win32 threads21:45
tripzeroiirc the proposed thread stuff won't be in 0x21:45
vljok21:45
thiago_homeespecially win32 threads21:45
vljare those functions inlinable ?21:46
thiago_homethe Qt API stays. And for the next couple of years, all C++0x functionality will be inline.21:46
vljok21:46
thiago_homemeaning that you can mix and match C++0x21:46
thiago_homeQt with it, your app without21:46
thiago_homeQt without it, your app with it21:46
vljvery gooooood new :)21:46
thiago_homeif there's a compelling reason, like std::thread being far more useful than the Win32 stuff, we may start requiring C++0x to compile Qt21:47
thiago_homeright now, there is no compelling reason21:47
vljok21:47
vljand what about container ?21:47
thiago_homebut still, even if we do that, we won't force you to use it21:47
thiago_homeSTL containers aren't compatible21:47
vlj:/21:47
thiago_homeQt containers are there to stay21:47
vljwhat make them incompatible ?21:48
thiago_homeSTL containers are designed for real-time and low-memory conditions21:48
thiago_homeyou know exactly if and when it may throw and how it reacts to that21:48
thiago_homeyou know exactly when it may allocate memory21:48
thiago_homeand they follow STL's API21:48
vljwell qt container should require low memory conditions if it is designed to run on embedded hardware21:49
thiago_homeQt containers are designed for simplicity and never-out-of-memory conditions21:49
thiago_homebut they are designed for low memory overhead too21:49
vljok21:49
thiago_homethey do implicit sharing, which means that a container may suddenly allocate memory21:49
vljand what about QString ?21:49
thiago_homeincluding QString21:49
vlj:/21:49
thiago_homeyou can convert from one to the other. But Qt's API will continue to use Qt containers.21:50
vljok21:50
thiago_homeand std::string is not a human string. It's simply a byte array.21:50
thiago_homestd::wstring is a human string.21:50
vljbut both are incompatible with qt ones21:50
vlj(even if you can convert them)21:50
thiago_homeQString comes closest to C++0x's std::basic_string<char16_t>21:50
thiago_homethe data layout is incompatible, sure21:51
thiago_homewhich means that Qt cannot share the data with the STL container (which STL doesn't do anyway)21:51
* CosmoHill looks at his K800i and then looks at James Bond's21:51
CosmoHillwhy can't sony actually make things like that21:51
thiago_homein the specific case of std::string, unless you're on Windows, you also need to perform an encoding conversion21:51
thiago_homelike I said, QString is closest to std::basic_string<char16_t>21:52
vljyup but as a developper, having a standard API and a framework specifig one  for the same thing is...disturbing21:52
vlj(it's not qt's fault, every framework comes with their own string implementation)21:53
thiago_homevlj: just use QString everywhere then :-)21:53
thiago_homethe problem with std::string is that it doesn't specify an encoding21:53
thiago_homethat's why it's a byte array, not a string21:53
vljwell, I would if my compiler would automaticaly transform "..." into QString("...")21:53
thiago_homeC++0x allows that21:54
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vljyou mean, it allows to overload string type ?21:54
thiago_homehttp://en.wikipedia.org/wiki/C++0x#User-defined_literals21:54
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vljit works with current gcc version ?21:55
thiago_homehttp://gcc.gnu.org/projects/cxx0x.html21:55
thiago_homeExtensible literals    No21:55
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vljvisual studio ? ;)21:55
thiago_homeI don't know21:56
thiago_homeif you find a page with VS2010's C++0x feature list, let me know :-)21:56
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thiago_homewe'll probably overload something like "q", so you can write: "..."q21:57
vljany release date for QT 4..7 final ? :p21:57
thiago_homeand that's a QString21:57
thiago_home4.7.0 any time now21:57
vljok21:57
vljand it will work with VS 2010 64 bits ?21:57
thiago_homeif you apply Microsoft's hotfix, yes21:57
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vljyou mean, the one available in windows update, or I must search the ms website to find out ?21:58
thiago_homeno clue21:58
thiago_homethe one that fixes the horrible bug in release mode21:58
vljI had crashes when running debug with qt 4.7 64bits + qtcreator + msvc 64bits21:58
thiago_homeif you don't apply this fix, wherever it is, any C++ apps in release mode will crash randomly21:58
vljmaybe a wrong combination21:59
vljok21:59
thiago_homethey used an SSE aligned-move instruction on an unaligned address21:59
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vljthey = MS or qt ?21:59
thiago_homeMS22:00
vljok22:00
thiago_homethis was the first nasty compiler bug we've found on MSVC22:00
vljthere are others ? ;)22:00
thiago_homesmall stuff, usually deviations from the standard22:00
thiago_homeolder versions were worse. They improve.22:00
vljthey don't have choice I think22:01
thiago_homewith GCC we find a couple of compiler bugs per year22:01
thiago_home2 or 322:01
vljqt performs better with msvc or mingw ?22:01
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vljI always think that msvc is better for any windows compilation22:02
vljbut...I may be wrong22:02
thiago_homevlj: msvc, definitely22:02
thiago_homemsvc is the best compiler for windows, and mostly x86 too22:02
thiago_homegcc is catching up, but it has a long way to go22:02
timelessthiago, did you hear that gcc4.5 broke libffi (a gcc thing)? :)22:02
vljeven against icc ?22:02
thiago_homeicc is good, but I can't prove it's better in real-world applications22:02
thiago_hometimeless: no, I haven't22:03
vljbut it's not worse ...?22:03
thiago_homewell, I haven't done extensive benchmarking22:03
vljok22:03
thiago_homethe one I did try showed icc is about the same as gcc, on Linux22:03
thiago_homeunless I turn on link-time optimisation, then it performs better22:03
vljbut how can msvc be better than gcc ?22:04
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thiago_homebut then it's only useful for final applications, not libraries22:04
vljI mean, 64bits enforce sse2 for instance22:04
thiago_homeit simply generates better code and better error messages22:04
vljand the heuristic behind gcc and msvc must be close22:04
thiago_homeI doubt it22:04
thiago_homecompiler optimisation algorithms are a closely-guarded secret22:05
thiago_homeprobably patented too22:05
thiago_homeno wonder that ICC isn't open source, even though Intel contributes to gcc22:05
thiago_homeI remember one case where the same code performed much faster when compiled with MSVC than with GCC22:06
vljbut you have more researcher behind gcc than behind msvc or icc22:06
thiago_homesome RGB manipulation algorithm, can't remember what22:06
thiago_homeso the engineer took the disassembly of the code generated by MSVC and rewrote it in C++ to match it22:06
thiago_homethen GCC was as fast22:06
vljhmm22:07
thiago_homewe don't have much behind ICC22:07
thiago_homeuntil MeeGo was announced, we didn't even have a recent version of ICC in our farm22:07
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thiago_homeI think we've always had a little more in GCC, in part because of Mac too22:08
vljI think it is not as used as gcc or msvc22:08
timelessthiago, interesting approach to compiler optimization22:08
thiago_homebut now with Symbian and MeeGo focus, it's definitely more22:08
vljI though qt main platform was gcc (because of kde, things like that)22:09
thiago_homeyou'd think that22:09
thiago_homebut most of the commercial customers are actually on Windows22:09
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vljok22:10
thiago_homethere's just a huge imbalance between commercial customers and total users (which includes open source users)22:10
thiago_homeyou can probably see that as as natural, though22:10
vljyes22:10
thiago_homethat situation has definitely changed with Nokia, if you count Nokia as a paying customer22:10
vljon the other hand, any users can turn into a commercial customer at some time22:11
thiago_home(Nokia did pay 100 million euros, after all :-)22:11
thiago_homebut I'd say 60% of Nokia isn't MSVC or GCC22:11
thiago_homeit's actually RVCT22:11
timelessthat'd the screwy symbian compiler22:12
thiago_homeno... that's winscw22:12
vljeven gcce ?22:12
Robot101but Linaro are paying for GCC improvements now :)22:12
thiago_homewhich is, really, screwy22:12
thiago_homeRVCT is the ARM compiler22:12
thiago_homeit's not bad, even though ARM had to make lots of fixes for us22:12
thiago_homegcce is bad only because it's old22:13
thiago_homebut Qt for Symbian, as well as most of the Symbian software itself, is built with RVCT22:13
vljbut it is moreless sync with gcc release or...?22:13
thiago_homeRVCT is like MSVC or ICC, except for ARM22:13
vljrvct is not available for free for hobbyist purpose ;)22:13
thiago_homeI think it's available for free-as-in-beer22:14
thiago_homeRVCT is pretty good at generating *small* code, though22:14
thiago_homeunlike GCC, which sometimes does stupid stuff if you read the assembly output22:15
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djszapiis there no x86_64 sdk ?22:16
thiago_homedjszapi: the 32-bit SDK is enough for you22:16
djszapik then22:16
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vljthiago_home:  gcc asm output is not the most readable one22:16
thiago_homevlj: most asm output isn't readable22:17
thiago_homebut when you find something like these two instructions, one after the other:22:17
thiago_home   movne  r0, r122:17
thiago_home   moveq  r0, r122:17
vljwell it's stupid22:17
thiago_homeif you can't read ARM assembly: the first executes if the result of the previous comparison was "not equal"22:18
thiago_homethe second executes if it was equal22:18
vljarm assembly is told to be clearer than x86 one but it looks very close22:19
thiago_homesome things are clearer, some aren't22:19
thiago_homeI don't think some of the operands are particularly descriptive22:19
thiago_homelike rsb22:19
vljdont know this one22:20
thiago_homereverse sub22:20
vljthat's not better ^^22:20
thiago_homersb r0, r1, r2   => r0 = r2 - r122:20
vlj-1/something ?22:20
thiago_homeinstead of r1 - r222:20
vljwhy having 2 instructions  if just the order change ?22:21
possomfatNeed a little guidence - I'm building my first image for the handset on Fedora.  I've got it to almost work but I'm error out on the build.  Bad Directories.  Does anyone know a good .ks file I should use to get a good current build?22:21
thiago_homebecause of the operand2 encoding22:21
thiago_homeyou can write: rsb r0, r1, r2 lsl 222:21
thiago_homebut you can't put the shift on r122:21
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vljlsl ?22:21
vljleft shift 2?22:22
thiago_homelogical shift left22:22
vljok22:22
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vljand it does not work if you put it on r1?22:22
possomfatHere is the error I'm getting - Error: failed to create image : URLGrabber error: [Errno 14] HTTP Error 404 : http://repository.maemo.org/meego/2a5e7de0123d9723051f4f6396a9d4c0/builds/trunk/1.0.80.16.20100824.1/nokia-n900-non-oss/repos/armv7l/packages//repodata/repomd.xml : http://repository.maemo.org/meego/2a5e7de0123d9723051f4f6396a9d4c0/builds/trunk/1.0.80.16.20100824.1/nokia-n900-non-oss/repos/armv7l/packages//repodata/repomd.xml22:22
thiago_homee.g.: rsb r0, r1, r2 asr 2  => r0 = r2/2 - r122:22
thiago_homevlj: you can't put the shifts in the middle operand22:22
vljok22:22
thiago_homeonly on the third, the "operand2"22:23
vljneither on the first one I think ?22:23
vljok22:23
thiago_homethe first one is the destination operand22:23
thiago_homelike I said, I don't find some of the opcodes particularly readable22:24
possomfatAnyone know a good .ks?22:24
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thiago_homethere are worse than rsb22:24
vljwell this could mean "do logical shift right after the sub"22:24
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vljit would be nice if there was some "nice" arm syntax to convert straight into arm one22:25
thiago_homebut Intel has of course surpassed it all with the SSE4.2 instruction pcmpestrm22:25
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thiago_homeit takes 4 registers and one immediate bitfield as input22:25
thiago_homeand it outputs into 4 flags and one (fixed) register22:25
vljfor instance r0 moveq r122:26
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thiago_homevlj: the IA-64 assembly makes use of equal signs22:26
thiago_homepretty readable for me: mov r1 = r022:26
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possomfatCan anyone point me to a good kickstart file so that I can build a N900 handset image.  Thanks22:26
thiago_homeld4 r1 = [r2]22:26
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vljbut the processor that runs it are not the most widespread22:26
sivul4d 222:27
thiago_homest4 [r2] = r122:27
thiago_homeand then there are some gems like: br.call.sptk.few rp = #function22:27
thiago_home"branch-call (that is, save the return link), statically predicted to be taken, and load few lines of cache"22:28
vljsad that it didnt make its way into emt 6422:28
vljor a static IA 64 to emt 64 convertor22:29
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thiago_homealso the now-useless br.ia instruction, to switch the processor into IA-32 mode22:31
tripzeropossomfat, http://tablets-dev.nokia.com/meego-codedrop.php22:32
tripzerohttp://wiki.meego.com/ARM/N900/Releases/Daily#Where_to_get_kickstart_-_how_to_build_an_image22:32
possomfatthanks22:33
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djszapiI would like to be sure: is the MeeGo development closed by Nokia ?22:38
djszapiMY colleague said me today to install debian since it's closed development and Nokia provides only deb packages.22:39
djszapiMaemo 6/Harmattan22:39
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djszapi* MeeGo = Harmattan/Maemo_622:40
morderr, not really22:41
Jaffa#jSomeone on a less laggy connection than I can correct that.22:41
JaffaS/#j/djszapi: /22:41
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ali12341. meego uses rpm not deb22:42
djszapitrue22:42
mordharmattan isn't really meego, it's more ... well, maemo 622:42
djszapiMaemo6/Harmattan uses deb...22:42
possomfattripzero: Did what you said, got the latest kickstart from codedrop link - Still getting build error - Error: failed to create image : URLGrabber error: [Errno 14] HTTP Error 404 : http://repo.meego.com/MeeGo/builds/trunk/1.0.90.1.20100831.1/core/repos/armv7l/packages//repodata/repomd.xml : http://repo.meego.com/MeeGo/builds/trunk/1.0.90.1.20100831.1/core/repos/armv7l/packages//repodata/repomd.xml22:42
possomfattripzero: Any insights?22:42
djszapiI always thought maemo 6 is meego22:42
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ali12342. maemo is pretty far from debian now anyway22:43
mordi actually dunno how much of harmattan arch is public knowledge so better not elaborate but it's not meego, that's for sure.22:43
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djszapiali1234: Harmattan is not...22:43
possomfatWhy am getting all these URLgrabber errors, do I have something configured wrong??22:43
ali12343. why would installing debian help you with "closed" development?22:43
djszapiali1234: /me sighs22:44
djszapisince the source is not available22:44
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djszapiand they only provide deb binaries ?!22:44
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ali1234deb is a package format22:44
djszapiyou are rather clever :)22:45
ali1234if you take a random deb from ubuntu and install it on debian... guess what... it doesn't work22:45
ali1234because ubuntu is not debian, despite that they both use debs22:45
djszapithe Nokia official recommendation is ubuntu, debian, but if you know that better ...22:45
ali1234the official nokia recommendation of what?22:46
djszapiwhich host to use...22:46
* djszapi sighs heavily22:46
matrixxdjszapi: to develop for Maemo 6 you would need maemo 6 rootstrap for scratchbox which is not publicly available22:46
mordwell, there's a quasi-recommedation in the form of "this is the most thoroughly tested distro" and it's jaunty22:47
mordas far as the sdk stuff is concerned22:47
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ali1234they recommend ubuntu because that's what they tested with, not because it uses deb22:47
djszapimatrixx: we started working for Nokia22:47
djszapiso our staffs can access to Nokia server ;)22:47
matrixxdjszapi: ok, then it's not a problem :)22:47
ali1234the package system used by the host OS is completely and utterly irrelevant22:47
mordalthough lenny is also very well tested22:47
djszapibut the question is different22:47
mordit's known that karmic and lucid have probs with the eclipse bits (esbox, pluthon) and possibly scratchbox as well22:48
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djszapiali1234: no it is not22:48
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matrixxI would suggest ubuntu jaunty22:48
djszapijust the opposite.22:48
djszapimord++22:48
djszapiI started setting up lenny in chroot.22:48
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djszapione thing that I do not understand matrixx22:49
matrixxdjszapi: better and more specific help you would receive on #maemo @ projects.maemo.org server22:49
ali1234well, believe what you like. the only important thing is what packages the host has installed. it doesn't matter if they came out of a deb or a rpm, they work just the same22:49
mordi'm somewhat involved with the developer platform bits atm (switching to other things soon though) and i'd say go jaunty if you want stuff to just work (tm)22:49
djszapiis it better to install debian lenny in chroot, or just the scratchbox itself ?22:49
mordyou'll run into all sorts of probs with karmic as the sb host at least22:50
djszapimord: what's the problem with lenny ?22:50
mordno major probs with lenny afaik22:50
djszapimatrixx: my colleague has got access, not me yet :P22:50
djszapiI am newbie in that project.22:50
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djszapimord: I started setting up lenny22:50
matrixxdjszapi: ok then :)22:50
morddjszapi: you should be fine then22:51
djszapimord matrixx I just do not which way is worth to do: 1) Installing lenny in subdirectory on my archlinux /22:51
djszapi?22:51
djszapior just simply install scratchbox on my archlinux ?22:51
djszapisince maemo 5 sdk installs some debian handling into the scratchbox.22:51
djszapimy colleague wanted me to install debian for my host, but I have been using archlinux for a while, thus I would like to keep it.22:52
djszapiat least as a host22:52
ali1234djszapi: scratchbox is like a super-chroot with emulation capabilities22:52
djszapiyes.22:53
ali1234as long as your host OS is capable of running scratchbox well enough, it does not matter about anythign else22:53
djszapimy next question will be whether xephyr can support 3d accel.22:53
djszapiali1234: it is not true...22:53
djszapiwe do not use the the downloadable scratchbox at the company.22:53
djszapithat we use a bit different.22:53
morddjszapi: sometimes things get a bit weird if the host has very recent stuff, so i'd say an  up-to-date arch is possibly the worst possible host :)22:54
djszapiand projects.maemo.org and other Nokia accesses provide debian binary packages.22:54
djszapimord: there is no obligation to update every day ...22:54
Stskeepsuhm, why are people discussing pmo in public?22:54
matrixxdjszapi: I dunno know that much of arch linux that I could tell22:54
morddjszapi: well, running pacman -Syu every day is half the point of having arch, innit though? :)22:55
djszapinop ...22:55
matrixxbut at least the modified scratchox packages need a debian host22:55
djszapimord: that is why you got troubles.22:55
djszapimatrixx: that's what I said.22:55
matrixxyep22:55
djszapibut not host...22:56
djszapibootstrap + debian install into a subdirectory.22:56
mordStskeeps: no idea. what's the policy on that btw?22:56
djszapibut i do not know whether it is needed at all22:56
djszapior just simply scratchbox installation on the archlinux host22:56
* mord honestly has no idea and thus refrains from discussing it at all22:56
ali1234if you want to use debs provided for a specific host then you should use that host22:56
djszapiany related to the matter ?22:57
ali1234the public maemo SDKs provide binary debs that run *inside scratchbox*22:57
ali1234so it is not necessary to use a specific host OS for the public SDK22:57
ali1234i do not know anything about anything else22:57
possomfatOK, using the current N900 kickstart file the following repository directories do not exists - Why anyone ? Error: failed to create image : URLGrabber error: [Errno 14] HTTP Error 404 : http://repo.meego.com/MeeGo/builds/trunk/1.0.90.1.20100831.1/core/repos/armv7l/packages//repodata/repomd.xml : http://repo.meego.com/MeeGo/builds/trunk/1.0.90.1.20100831.1/core/repos/armv7l/packages//repodata/repomd.xml22:57
possomfatAre these repository files broken often??22:58
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Stskeepspossomfat: we have a bug where closed repo's didn't get built, and there was also a build id messup on the public repos..22:58
Stskeepsthey got changed to 90.0 later22:58
possomfatSo what is the last build for the N900 that builds?22:59
djszapidoes xephyr support 3d accelt ?22:59
Stskeeps3 weeks ago, next one will come wednesday provided sanity is OK22:59
possomfatdo you know the kickstart file name?22:59
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possomfatThis one meego-handset-armv7l-n900-nokia-proprietary-1.0.80.15.20100817.1.ks23:01
Stskeepshrmm.. -may- work, either that one or the one before23:01
possomfatK, thanks23:02
Stskeepswe had a messup, basically - sorry about that23:02
possomfatno worries, just trying to get my first image built so I know what's going on23:02
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CosmoHillhahahah23:19
CosmoHillmy netboot loader is working properly :D23:20
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thiago_homewhy did so many people propose talks for the conference...23:26
thiago_homenow I have to read each and every one of them...23:26
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GAN900Better than too few.23:28
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thiago_homeindeed23:30
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CosmoHillI've just booted ubuntu off the local hard drive using an PXE boot loader :)23:40
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TSCHAKeee2thiago_home: reminds me of the line from Clerks, "This job would be great if it wasn't for the fucking customers!"23:48
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CosmoHillany american's in here?23:51
CosmoHillis "damn" a strong swear word? (if it is I applogise)23:51
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