Squeak-dev February 2007

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161 participants
240 discussions

[ANN] LambdaMessageSend explained
by Stéphane Rollandin 25 Feb '07

25 Feb '07

hello list, I just put up a new version of LambdaMessageSend on SqueakMap (14), and there is now a home page with a bunch of notes attempting to explain as clearly as possible what this thing is: http://www.zogotounga.net/comp/squeak/functionaltalk.htm ... any comment and criticism welcome Stef

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squeaksource.blueplane.jp down
by Damien Cassou 25 Feb '07

25 Feb '07

Hi, http://squeaksource.blueplane.jp/ seems to be down. Bye -- Damien Cassou

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Expected Failures Survey
by Keith Hodges 25 Feb '07

25 Feb '07

I would like to know if anyone actually uses the #expectedFailure mechanism in SUnit as is? TestResult appears to me to be needlessly complicated by the whole concept of expected this and unexpected thats. If there is an alternative way of categorising and running expected failures, would anyone object if TestResult were simplified somewhat? many thanks in advance Keith ___________________________________________________________ All new Yahoo! Mail "The new Interface is stunning in its simplicity and ease of use." - PC Magazine http://uk.docs.yahoo.com/nowyoucan.html

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Voting starts in one week
by Daniel Vainsencher 25 Feb '07

25 Feb '07

Hi everyone, this is just a reminder to candidates and voters that the voting itself will start on the 3rd of March. February is a short month, so this is exactly one week from now, next Saturday. If you're a candidate, this is a good time to make sure people know what you stand for, if you're a voter and you still don't know how you'd sort the candidates, this is a good time to review the published information and send in some questions when there's still time to have a discussion about them. Daniel Vainsencher and the Elections team

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Squeak scripts in UNIX
by Matej Kosik 24 Feb '07

24 Feb '07

Friends, I would like to update the manual page of Squeak (its SCRIPTS section is out of date). At least for the Debian packages. Now, the Squeak script to be executed must be specified as URI, not an ordinary path. That means that it is not possible to rely on the traditional (and handy) feature of UNIX kernels that if the user tries to execute a file that begins with `#' (shebang) character, the kernel actually runs the program specified in that first line and appends the filename that is actually executed as a last parameter to that program. This is what everybody knows. However, if Squeak requires URI instead of path, it is actually not possible to create Squeak scripts. Is this true? What should be inside the SCRIPTS section in the manual page? I know that using Squeak for scripts seems to be retrogressive, but I have used it once and then it helped me much. Work in progress (with mistakes) is here http://altair.dcs.elf.stuba.sk/~kosik/tmp/squeakvm.html The SCRIPTS section is empty, now. The original text is very nice and simple, but also wrong. ---------------------------------------- Here is the most simple way how a Hello, world script could look like f := FileStream fileNamed: '/dev/stdout'. f nextPutAll: 'Hello, world'. f nextPut: Character lf. SmalltalkImage current snapshot: false andQuit: true It, unfortunatelly, cannot be run normally via shebang but it must be run as follows squeak -vm display=null -vm sound=null $SQUEAK_IMAGE file://`pwd`/hello.st Seems quite terrible. Isn't there a simpler way? -- Matej Kosik

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A practical problem for Traits (hopefully :)
by Klaus D. Witzel 24 Feb '07

24 Feb '07

Some time ago I stepped through the process of applying a new software layer to an existing package, without creating mutual dependency. The base package is Todd's excellent html+css parser+DOM - http://www.squeaksource.com/htmlcssparser I used the W3 spec for designing the new software layer - http://www.w3.org/TR/xhtml-modularization/abstract_modules.html - http://www.w3.org/TR/html4/sgml/dtd.html The result is attached. It consists of Traits and the intended users of it. As yet no new method has been written; that's a bit too much for me at the moment. I still have not decided what to use, Morphic or Tweak. But if one of the layout experts would explain to me how to layout html+css in the Morphic or in the Tweak world then I'm sure this project can benefit from your expertise. As can be seen from the attached source code, W3's "modules" when implemented as Traits can be attached easily to Todd's fine classes, without any side effect, in a Monticello-friendly fashion. And if someone would decide to get rid of such "crap" then the Traits can as well be deimplemented without any side effect. It's also easy to imagine that from here on more than *two* developers can work on the same project; for example one on the hmtl-lists, another on the html-forms, etc, without disturbing each other. And if one of them has a requirement, master package-owner has the power to rule. What else can a Squeaker want :) The above can perhaps be used for debating Traits in Squeak. Fur sure the html+css engines belong to the most complicated pieces of software in this time on this planet. They do, in *parallel*, multiple http sessions, layout of parts, user interaction, security tasks, scripting, plug-in instantiation, resource constraints, etc, only for loading *one* single page from the web. I would appreciate if the Traits discussion could be directed towards practical solutions for this practical problem. I hope that the html+css project can benefit from your expertise, experience and opinion. /Klaus

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Custom TcpListener can't reach it's dynamic bindings
by Sebastian Sastre 24 Feb '07

24 Feb '07

Hi there, I'm making a subclass of TcpListener to have a custom policy of socket acceptance for a service I'm porting. When I start the service (subclass of TcpService) it won't get the value of the #backlogSize wich the code is: backlogSize ^#'ROSocketListener-backlogSize' binding ifNil: [10] In the debugger the manually returned value is 10 but in the execution it trhows a walkback as beign nil. Is like the Bindings var is not initialized. If I harcode the value there other binds also fails. So I'm lost with this dynamic bindings. What I could be missing? there is something I should initialize to enable this to work as supoused? how can I debug it? thanks in advance, Sebastian Sastre

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Forward: An update from Viewpoints Research
by Yoshiki Ohshima 24 Feb '07

24 Feb '07

Hello, Kim and the group at Viewpoints had a chat recently, and Kim would like to write up an update of what is going on with Viewpoints. Hopefully, this clarifies some of the questions around Squeak and Viewpoints. (This has really nothing to do with the SqF election, BTW. Find that there is no mention to it in the following.) Thank you! -- Yoshiki

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Squeak Foundation Board 2007 Candidates
by Ron Teitelbaum 23 Feb '07

23 Feb '07

Hello everyone, Our deadline for announcing your candidacy to the Squeak Foundation Board has passed, which means we have a final list of 12 candidates. They are: Cees de Groot Tim Rowledge Bert Freudenberg Craig Latta Stéphane Ducasse Giovanni Corriga Keith Hodges Andrew P. Black Todd Blanchard Yoshiki Ohshima Tansel Ersavas Brad Fuller We have a short time to find out more about these candidates before the election. I will be sending the same questions to each candidate and will publish a final article on http://weeklysqueak.wordpress.com . I will post a link here when the article is finished. The answers will be published in the order that I receive them back. Which could mean you should start reading at the bottom! In the mean time I encourage people to support your favorite candidate! Please post a recommendation for your favorite candidate, include details about that candidate that people may not know. It is sometimes difficult for people to talk about themselves so I encourage you to help. I say support your favorite candidate and not a group of candidates for a reason. Many people support all the candidates and feel that if they post something about someone they need to post something about everyone. So let's take posts about someone as a positive thing and not a vote against others. Help us learn about the people running by sharing what you know about them. If you support a foundation platform now is a good time for you to tell us that. Submit your ideas and let candidates comment about your platform suggestions on-list. The more we can make this an open discussion the better. Remember voting starts on March 3rd, 2007. Thank you everyone for participating! Ron Teitelbaum Squeak Elections Team Member

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Squeak Foundation 2007 Election In 8 days
by Ron Teitelbaum 23 Feb '07

23 Feb '07

Hello Everybody, As a reminder you only have 8 days to register to vote for the 2007 Squeak Foundation board members. For details about candidates you can visit: http://wiki.squeak.org/squeak/5920 . You are only eligible to vote if you have a certified squeak people Account http://people.squeakfoundation.org/ . You must have a certification of at least Apprentice to vote. So register now and ask people you know to certify your account. Don't forget to vote! Thank you, Ron Teitelbaum Squeak Elections Team Member

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