March 2012 - Pharo-dev - lists.pharo.org

[Pharo-project] [update 1.4] #14409

by Marcus Denker

14409 ----- Issue 5535: DropListItem class>>#example references non-existing class http://code.google.com/p/pharo/issues/detail?id=5535 Issue 5496: UIManager>>grafPort should be made abstract (#grafPort not needed) http://code.google.com/p/pharo/issues/detail?id=5496 Issue 5475: flat padded date formats (added tests) http://code.google.com/p/pharo/issues/detail?id=5475 -- Marcus Denker -- http://marcusdenker.de

March 24, 2012

[Pharo-project] Poll: What's Your Favorite Programming Language? | Hacker News

by Sven Van Caekenberghe

Vote for Smalltalk! http://news.ycombinator.com/item?id=3746692 Registration is non-agressive.

March 24, 2012

Re: [Pharo-project] NBOpenGL issue with latest 1.4 Pharo image and latest NBCog VM

by Javier PimÃ¡s

Which platform? Maybe you can debug a bit to see which method is hanging everything? (If Linux I'd bet for context creation). Cheers, Javier On Fri, Mar 23, 2012 at 1:49 PM, Lawson English <lenglish5(a)cox.net> wrote: > I procure the latest and greatest of each of the components: > > NBCog, Pharo 1.4.image Pharo 1.4.changes etc > > I procure the latest CofigurationOfNBOpenGL from: > > MCHttpRepository > location: 'http://www.squeaksource.com/**NBOpenGL<http://www.squeaksource.com/NBOpenGL> > ' > user: '' > password: ''. > > I run the following in a workspace: > > ConfigurationOfNBOpenGL project lastVersion load. > > NBInstaller install. > > Now, when I evaluate: GLTTRenderingDemo new OpenInWorld. > > > Pharo hangs. cmd+. doesn't interrupt. > > > Sigh.... > > > Lawson > > -- Lic. Javier PimÃ¡s Ciudad de Buenos Aires

March 24, 2012

[Pharo-project] Seth Talk at BoS 2008 Is The Marketing Lesson Every Engineer and Specialist Must Watch

by Sebastian Sastre

Hey guys, this is an oldie, but I think it's relevant to make this well known in our community: Seth Talk at BoS 2008 Is The #Marketing Lesson Every Engineer and Specialist Must Watch [1] #software #business cheers, sebastian o/ [1] http://sebastianconcept.com/brandIt/seth-talk-at-bos-2008-is-the-marketing-…

March 23, 2012

Re: [Pharo-project] Needs help with hang images

by Eliot Miranda

On Fri, Mar 23, 2012 at 3:13 AM, Denis Kudriashov <dionisiydk(a)gmail.com>wrote: > Hello. > > I have standalone application with UI which hangs sometime (very *rarely*) > . > This application has many threads which interacts with server. > All interactions with server and UI activity logged. > > But at hang state there are no new log entries. There are no server > interactions. > It looks like all VM block image stuff. ("alt ." not work too). > Logs always finished at same position. I know where I should add extra > logging which give me information before hang. > > So I need help. > What information about system can help me? What code I should use? > Is somebody has same problems? > > Application uses old cog VM (maybe one of first distributions from Eliot) > and Pharo1.1. > Application uses continuations actively. > I want try updated VM. What version I should use? I need most reliable cog > (not latest I think). > The latest is likely to be the most reliable. Cog is pretty stable right now and is getting bug fixes. When significant new development happens this will change. But right now the latest VMs in http://www.mirandabanda.org/files/Cog/VM/ are the best ones I build to use, and Igor can point you to the best ones he builds. > Best regards, > Denis > > -- best, Eliot

March 23, 2012

Re: [Pharo-project] Behavior modification VM crash

by Eliot Miranda

Camillo, On Fri, Mar 23, 2012 at 5:13 AM, Camillo Bruni <camillobruni(a)gmail.com>wrote: > > On 2012-03-22, at 23:41, Eliot Miranda wrote: > > > > > > > On Thu, Mar 22, 2012 at 3:32 PM, Camillo Bruni <camillobruni(a)gmail.com> > wrote: > > > > On 2012-03-22, at 17:26, Eliot Miranda wrote: > > > > > > > > > > > On Thu, Mar 22, 2012 at 7:26 AM, Camillo Bruni <camillobruni(a)gmail.com> > wrote: > > > > > > On 2012-03-22, at 15:06, Stefan Marr wrote: > > > > > > > > > > > On 22 Mar 2012, at 14:45, Camillo Bruni wrote: > > > > > > > >> let's have some fun and do > > > >> > > > >> Object subclass: #Behavior > > > >> uses: TPureBehavior > > > >> instanceVariableNames: 'superclass methodDict format layout' > > > >> classVariableNames: 'ObsoleteSubclasses' > > > >> poolDictionaries: '' > > > >> category: 'Kernel-Classes' > > > >> > > > >> proceed over the several warnings not to change Behavior and BOOM! > :D > > > > > > > > Check classNameIndex and thisClassIndex in the VM implementation. > > > > They are typically the hardcoded indices into the expected object > layout of Class objects. > > > > > > > > And you just changed the layout -> BOOM! magic ;) > > > > > > > > I don't know how much overhead it is to examine such kind of indices > dynamically, but we do deduce indices based on inst var names to be able to > support the different object layouts. > > > > For my stuff, I do that at VM startup, which would not help you. > > > > > > They would be expensive to recompute all the time (they're used in > debug printing). But they're not expensive to compute. So they could be > recomputed easily. See below. > > > > > > > > > > David did it dynamically for the Process class and checked the > object identity of the class I think, to know when to update the index > table after a layout change. > > > > > > right. I guess I will have to move it to some further position... > > > although I have an old image with: > > > > > > Behavior subclass: #ClassDescription > > > layout: PointerLayout > > > uses: TClassAndTraitDescription > > > slots: { > > > #instanceVariables => Slot. > > > #organization => Slot. > > > #layout => Slot. > > > } > > > classSlots: {} > > > globals: '' > > > category: #'Kernel-Classes' > > > > > > > > > which works under said Cog version :/. I guess I will just have to > find some older VM which will support the changes > > > > > > I think we should make the VM work for this. classNameIndex and > thisClassIndex should only be used for debug printing, at least thats my > intent, and it would be possible to flush them and recompute them as a > side-effect of e.g. a flushCache primitive. > > > > > > Camilo, would you create a reproducible case for me, an image that > applies this change at start-up? Thanks. > > > > > > Also, can we please get into the habit of cc'ing vm-dev for issues > that touch on the VM? I ask this so that subsequent searching for VM > issues can be confined to a search of vm-dev archives. Again AdvThanksance. > > > > Submitted a bug report here: > > http://code.google.com/p/cog/issues/detail?id=76 > > > > the attached *.st files fail under Cog / StackVM. It would be indeed > nice if they would work. > > > > Which maybe it will one day if you can put in the effort to describe how > to reproduce the bug properly. There's no pointer to a suitable image. > There are no instructions beyond "use these files". How about a link to > an image, plus a small script that files in the files? Or even better how > about constructing an image that does this at startup so that the VM > maintainers only have to fire up the image instead of wasting time setting > up files? > > you know command line? > you know images? > > cool here we go.... > > > path/to/my/crashing/vm path/to/anImage.iamge > absolute/path/to/the/scripts/attached/to/the/bug/regport.st this is simply an insult on your part. You cannot even bother to specify a Pharo version. I use Squeak, and Newspeak. I don't use Pharo except for investigating VM bugs, for the benefit of the Pharo community as well as for Cog's overall quality. I give my limited time to the Pharo community in providing a significantly improved VM. Is it too much to ask that you can provide helpful bug reports that save me time? Or do you think I am your lackey to exploit and insult? > > here we go (mario) > > > -- best, Eliot

March 23, 2012

[Pharo-project] Pharo Kernel Reload Tests-Unix - Build # 34 - Still unstable!

by jenkins-pharo.ci.inria.fr＠jenkins-server.lille.inria.fr

March 23, 2012

Re: [Pharo-project] Transcript lost

by Lawson English

On 3/23/12 10:40 AM, Pavel Krivanek wrote: > Hi, > > it seems that we lost the Transcript item from the Tools menu :-) > > -- Pavel > > cmd-t still brings it up though. Lawson

March 23, 2012

Re: [Pharo-project] direct object manipulation

by Alexandre Bergel

This is really cool. We have planned to make Roassal (code name for Mondrian2) work with Cairo. Cheers, Alexandre Le 22 mars 2012 Ã 08:55, Fernando Olivero <fernando.olivero(a)usi.ch> a Ã©crit : > Gaucho is under active development, so sadly i cant release it yet. > > The good news is that i'm using Athens[1], with a Cairo backend. so > the visual appearance is greatly improved from the previous version, > amongst other goodies such as a zoomable user interface. > > I'm almost ready for a release... > > Up to my knowledge, there's no other work related to Self and Morphic > Wrappers for Pharo. > > Fernando > > [1]http://computeradventures.wordpress.com/2012/03/07/athens-a-first-babyste… > > On Thu, Mar 22, 2012 at 2:06 AM, Francisco Garau > <francisco.garau(a)gmail.com> wrote: >> Hi - what packages can be used in latest Pharo to manipulate objects directly? >> >> I am thinking something like MorphicWrappers, NakedObjects or Gaucho. >> >> Cheers, >> Francisco >

March 23, 2012

[Pharo-project] Transcript lost

by Pavel Krivanek

Hi, it seems that we lost the Transcript item from the Tools menu :-) -- Pavel

March 23, 2012