Squeak-dev April 2008

squeak-dev@lists.squeakfoundation.org

146 participants
187 discussions

RPM Repository for squeak? and Centos 5
by Edward Stow 23 Apr '08

23 Apr '08

Hi, In particular, rpm repository for the vm would be nice. And I setting up on a Centos5 server w/o any X support. Any body like to comment on any known issues. Thanks -- Edward Stow

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ANN: Squeak by Example, Portuguese Translation
by Ronaldo Ferraz 23 Apr '08

23 Apr '08

Hi, To any Portuguese/Brazilian Portuguese speakers out there: I've started a Portuguese translation of the Squeak by Example book. Stephane Ducasse mentioned it would be interesting to announce it here, so it goes. The translation repository is at Gitorious: http://gitorious.org/projects/squeak-by-example To contribute, just clone the repository and send me patches and/or merge requests. Thanks! -- Ronaldo Ferraz http://log.reflectivesurface.com

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WAKom startup on image restart
by Brian Brown 23 Apr '08

23 Apr '08

Hello all, I'm running squeak headless as a seaside server on FreeBSD 6.2-RELEASE and the vm version is: squeak -version 3.9-8 #5 Tue Oct 10 19:50:54 PDT 2006 gcc 3.4.4 Squeak3.9alpha of 4 July 2005 [latest update: #7021] FreeBSD freebsd.piumarta.com 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Sun May 7 04:32:43 UTC 2006 root@opus.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 default plugin location: /usr/local/lib/squeak/3.9-8/*.so I have REPLServer running in the image, and WAKom - WAKom just won't restart after the image is brought up. I have checked to make sure it was in the startup list and I even moved it the end, but that doesn't have any effect. If I connect with REPLServer, I can run WAKom startOn: <whatever port> and it works and serves fine. Does anyone have any thoughts as to why this might be occurring? thanks! Brian

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Instances as classes / delegation / prototype : recent work from SCG Bern?
by itsme213 22 Apr '08

22 Apr '08

I recall reading about some recent work (from SCG/Bern?) on instances as classes / delegation / prototype-based programming. Today google did not lead me back to it. If you have any pointers to it, or something like it, please let me know. Thanks - Sophie

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REServe and IOSPersistent Project
by Thomas Kowark 22 Apr '08

22 Apr '08

Dear all, I am evaluating some object-relational mappers for Squeak and especially Seaside applications. In addition to the obvious choice GLORP I stumbled upon the REServe/IOSPersistent project. It seemed very promising to me, since it reduces the configuration effort to a very small amount. However, last updates have been commited in october 2006. Does anybody know what happend to those projects and why the automated mapping idea has not been introduced in other mappers as well? Best, Thomas -- Ist Ihr Browser Vista-kompatibel? Jetzt die neuesten Browser-Versionen downloaden: http://www.gmx.net/de/go/browser

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-vm-display-none -headless weirdness
by Edward Stow 22 Apr '08

22 Apr '08

Hi Running on Debian(Etch) amd64 architecture, without X display. Running squeak as following with an image specified creates in the startup directory files squeak.image, and squeak.changes > squeak -vm-display-none -headless seaside.image & The specified image is displayed. But the creation of the files confused me for a while. I do not see this behaviour on my Ubuntu 7.10 i386 architecture machine. -- Edward Stow

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squeak profiling
by Riccardo Lucchese 22 Apr '08

22 Apr '08

Hi, I'm working on profiling squeak/etoys for the olpc project. It seems to me that bytecodes cases in the interpret function (in /platform/unix/src/vm/interp.c) are not ordered in respect to the probability of their execution. Here is a graph for reference (more games in Etoys have the same pattern): http://www.bodhidharma.info/instructions.pdf What I did so far is changing the `256 cases switch' statement to an array of function pointers like (*exec_bytecode_funcs)[bytecode_id]( ...shared data... ); The process was automated with a python script and that needed a little bit of code cleaning; after some testing I couldn't trigger any sort of bug in the new code. if we assume a constant time T both for the execution of every [if !(right_case) jump next_case] in the old code and for the function pointer dereference in the new code there is a 10000% gain for the task of calling the right action for a given bytecode (also given the distribution showed in the graph linked above). In my tests this is a 20/30% win over the interpret routine timings for different games in etoys. I appreciate any comments on this work. Maybe it could be done better than this ? Thanks, Riccardo

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[job-offer] For German customer
by Stéphane Ducasse 21 Apr '08

21 Apr '08

Another job offer in Smalltalk > From: "Nowak, Helge" <hnowak(a)cincom.com> > Date: April 17, 2008 6:48:09 PM CEDT > Dear Smalltalkers, > I have yet another German customer who is looking for a good > Smalltalker for fixed employment (no freelancers), Requirements are: > > - good Smalltalker > - good VisualWorks knowledge > - German language > - English a plus > - relocate to Germany Cologne area (no work from home) > > Interested? Please send your profile to me. > > TIA > Helge > > ************************************************************** > Helge K. Nowak > Technical Account Manager Cincom Smalltalk > Cincom Systems GmbH & Co. oHG > Am Kronberger Hang 4 > D-65824 Schwalbach/Ts. > Tel.: +49-(0)89-89664494 > Mobil: +49-(0)172-7400402 > Fax: +49-(0)89-89664495 > Email: mailto:hnowak@cincom.com > Web: http://smalltalk.cincom.com

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[job offers] Belgian software company looking for good VW developers
by stephane ducasse 21 Apr '08

21 Apr '08

Begin forwarded message: > From: Gerrit Cornelis <gerrit.cornelis(a)mediagenix.tv> > Date: April 17, 2008 11:39:12 PM CEDT > > Hello all, > > just to let you know that MediaGeniX (http://www.mediagenix.tv) is > still searching for good OO-developers. Requirements are: > > - dutch speaking or fluent in English > - interested in OO-software development and design. You do not have > to be fluent in VW. We will see to it that you become fluent > - interested in the domain we work in: television and radio > scheduling and media asset life cycle management > - work is performed in our offices in Groot-Bijgaarden or Ghent in > Belgium. Work at home is exceptional because you are part of a team. > - fixed employment > - good salary, nice desk, nice colleagues, nice fruit, nice > customers, interesting problems, mediocre coffee > > If you wonder whether this is something for you, drop me a mail. > > gC > > > --- > > Gerrit Cornelis gerrit.cornelis(a)mediaGenix.tv > MediaGeniX NG Hofveld 6 e3 1702 Gr-Bijgaarden, Belgium > visit our website at: www.mediagenix.tv > > Sometimes it comes from nowhere and takes us somewhere > (Cranes, k56)

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[ANN] Seaside Book - "An Introduction to Seaside"
by Michael Perscheid 21 Apr '08

21 Apr '08

Dear all, We would like to announce that we have published the Seaside book "An Introduction to Seaside" today. Mainly the book consists of an improved version of our online tutorial. Book description "This book explains the major concepts of Seaside in a clear and intuitive style. A working example of a ToDo List application is developed to illustrate the framework's important concepts that build upon each other in an orderly progression. Besides the notions of users, tasks, components, forms and deployment, additional topics such as persistence, Ajax and Magritte are also discussed." For more information look at Lulu: http://www.lulu.com/content/2234565 or at our online tutorial: http://www.hpi.uni-potsdam.de/swa/seaside/tutorial Furthermore we have improved the online Seaside tutorial with an overworked version of all chapters (especially chapter 6) and a new chapter about the internal details of the web framework called "The fine print". Thanks to everyone who provided feedback and suggestions for improvement! Michael Perscheid on behalf of the HPI Software Architecture Group

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