Squeak-dev December 2007

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129 participants
144 discussions

Cannot get rid of a trait from classes - help!
by itsme213 12 Dec '07

12 Dec '07

I have some classes that initially used a trait MyTrait. Then I deleted the trait (figured I could do it better without in this case). Now those classes show up as: Object subclass: #MyClass uses: AnObsoleteMyTrait instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'cat' And if I delete the "uses:..." line and try to accept, it just reverts back to the "AnObsoleteTrait" version. Any suggestions welcome! Thanks - Sophie

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I want to sign license agreement
by Ralph Boland 12 Dec '07

12 Dec '07

I have not actually made a contribution to Squeak yet but I have reported a bug (Mantis 0003474) which includes the code to fix the bug. Thus I would like to sign the Squeak license agreement. So could someone send me the agreement to sign and tell me where to send it. These days it might help if you send me a stamped envelope to send it in as well. :-( ------------------------------------------------------------------- For the curious the new code allows sets to do adds with about 14% fewer compares. It is not really a bug, just a performance issue. The bug was reported 20 months ago so nobody seems to care to incorporate it into Squeak. I think I will put the code into a package and release it so those who want to can add it to their copy of Squeak. Regards, Ralph Boland

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Method finder does not find some methods from examples?
by itsme213 10 Dec '07

10 Dec '07

My image gives: 'AbcDefHi' asCapitalizedPhrase 'Abc Def Hi' with the method defined in a Seaside extension to the String class. Method finder does not find any candidates given the input/output example: 'AbcDefHi'.'Abc Def Hi' Am I doing something wrong? Sophie

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[Relisencing] How should volunteer provide changeset?
by Hilaire Fernandes 10 Dec '07

10 Dec '07

I want to prepare an organizational proposal so volunteer can clearly follow a track to help on relisencing. Regarding code change contribution, it seems the right place to submit the code changeset should be in Mantis http://bug.squeak.org, in a dedicated category. Any though about that? Hilaire

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Proper way to use many PipeableOSProcesses ?
by Damien Pollet 10 Dec '07

10 Dec '07

Hi, I need to pass a bunch of strings through a unix command. I'm using this repeatedly: cat := (PipeableOSProcess command: '/bin/cat') nextPutAll: aString; close. cat output "do something with that" After roughly 120 iterations, I get an error "cannot create OS pipe" from ExternalPipe>>makePipe, and all subsequent PipeableOSProcesses do that until I relaunch the image. Did I miss something? should I flush/wait/finalize something? -- Damien Pollet type less, do more [ | ] http://typo.cdlm.fasmz.org

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senders and implementers - within my category? within my package?
by itsme213 10 Dec '07

10 Dec '07

I seem to find myself often wanting senders and implementers only scoped within my category or package. Is this common? Is there some reason why such an operation is not easily menu-accessible (as far as I can tell)? Sophie

2 1

Applescript in Leopard
by Javier Diaz-Reinoso 10 Dec '07

10 Dec '07

I tested the Squeak front-end to Applescript in Mac OSX 10.5, using Squeak3.9-final-7067 and is working OK. Because AppleScript 2.0 (included with 10.5) is "now entirely Unicode- based" according to Apple, some statements with unicode strings work now, such as: > ba := #(0 16r22 0 16r28 16r5B 16r5D 16r7D 16rEC 0 16r29 0 16r22) > asByteArray. > bs := ba asString. > ws := bs convertFromWithConverter: UTF16TextConverter new. > Applescript doIt: 'display dialog (', ws, ' as Unicode text)' and if you select a file with unicode characters in the name: > bs := Applescript selectAnyFile. > Applescript doIt: 'display dialog (', bs, ' as Unicode text)' what don't work (using Squeak 3.8.18beta1U VM) is using the clipboard, directly or using the 'copy name to clipboard' from the file list browser, probably the VM need some modifications.

2 1

Ideas of gift :)
by stephane ducasse 09 Dec '07

09 Dec '07

Hi guys I'm happy to see that our book has been donwloaded 11708 times so far. The french version is around 70% and apparently some people started a translation in spanish. Excellent! If you want to help please join, we can also offer svn hostings if necessary. Now we are discussing giving to squeakfoundation a part of the small amount of money we make for the printed version (but this is not too much and so far merely covered the cost of ISBN and other). What is important is that we would really like to make this book a success to show that we do not need publishers anymore and that a documentation may exist: So you can do three things: - buy the book :). The quality of the printed version is quite good. - write new chapters (more costly) for the next volume - translate it to new languages. Why this is important: because else people will not do it again and I would like to have a case to show that this is worht the energy (It is a dream because this took us for too much time). Stef ------------------------ Stéphane Ducasse USTL - LILF - CNRS UMR 8022 - INRIA stephane.ducasse(a)inria.fr http://stephane.ducasse.free.fr "if you knew today was your last day on earth, what would you do different? ... especially if, by doing something different, today might not be your last day on earth" Calvin&Hobbes

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master ftp
by Chris Kassopulo 09 Dec '07

09 Dec '07

Greetings, I'm doing some editing in the wiki. Is http://ftp.squeak.org/ the master and ftp://st.cs.uiuc.edu/pub/Smalltalk/Squeak/ a mirror? Chris

2 2

Blocks and it's temp vars
by Sebastian Sastre 09 Dec '07

09 Dec '07

Hi there, working with callbacks in Seaside I've found this code don't evaluate properly in Squeak stuff := #(foo bar). results := OrderedCollection new. 1 to: 2 do:[:i| results add: [Transcript cr; nextPutAll: (stuff at:i);flush]]. results do:[:e| e value]. It complains about stuff array not having 3 elements (?!). Seems that it has some problem with block temps. I saw a Seaside method trying to separate the temps of the block from the ones of the method and at that point the block temps was already malformed. The previous code is to expose this problem. Tested on 3.9.final.7067 and 3.10 gamma.7159 (a couple of non Squeak smalltalks works as expected). I need this feature badly so if anyone can give me any clue or workaround would be great, thanks, Sebastian

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