Squeak-dev January 2006

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164 participants
300 discussions

Mersenne Twister?
by Andreas Raab 25 Jan '06

25 Jan '06

Hi Folks - Does anyone know a good (Squeak/Smalltalk) implementation of the Mersenne Twister? I have a task for which I don't really trust good ol' Random and would like to use an alternative PRNG instead. Thanks, - Andreas

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C# features
by stéphane ducasse 25 Jan '06

25 Jan '06

it seems that C# will support class extensions and lambda expressions. Apparently the support for dynamic languages will be a key issue between JVM and .Net ones. Stef

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How to get rid of the Squeak Splash Screen
by Rudolf Coetsee 25 Jan '06

25 Jan '06

Hi Is it possible to replace or get rid of the Squeak splash screen that appears when a project is being loaded into a web browser? Thanks Rudolf Coetsee

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About some changes in 3.8
by stéphane ducasse 25 Jan '06

25 Jan '06

Hi andreas following our discussions about changes, I loaded tweak updated it and browse the references to CSqueak3Point8Detected I put the code here so that people can follow. Do you have fixes? Again if you would have point that to the 3.8 team (not me you know) may be they would have fixed that. Stef > I just browsed Tweak and looked at references of the exception > CSqueak3Point8Detected as mentioned by andreas > > I report here the stuff he is checking I let you judge. > > > ProtoObject class>>addSelectorSilently: selector withMethod: newMethod > | oldMethod result done | > CSqueak3Point8Detected signal. "Only used from 3.8" > oldMethod := self compiledMethodAt: selector ifAbsent:[nil]. > done := false. > [result := super addSelectorSilently: selector withMethod: newMethod] > on: CSqueak3Point8Detected do:[:ex| done := true. ex resume]. > done ifFalse:[self methodChanged: selector from: oldMethod to: > newMethod]. > ^result > > > addSelector: selector withMethod: newMethod > | oldMethod result done | > oldMethod := self compiledMethodAt: selector ifAbsent:[nil]. > done := false. > result := [super addSelector: selector withMethod: newMethod] > on: CSqueak3Point8Detected do:[:ex| done := true. ex resume]. > done ifFalse:[self methodChanged: selector from: oldMethod to: > newMethod]. > ^result > > addSelector: selector withMethod: newMethod notifying: requestor > | oldMethod result | > CSqueak3Point8Detected signal. "Only used from 3.8" > oldMethod := self compiledMethodAt: selector ifAbsent:[nil]. > result := super addSelector: selector withMethod: newMethod > notifying: requestor. > self methodChanged: selector from: oldMethod to: newMethod. > ^result > > > basicRemoveSelector: selector > | oldMethod result | > CSqueak3Point8Detected signal. "Only used in 3.8" > oldMethod := self compiledMethodAt: selector ifAbsent:[^nil]. > result := super basicRemoveSelector: selector. > self methodChanged: selector from: oldMethod to: nil. > ^result > > removeSelector: selector > | oldMethod result done | > oldMethod := self compiledMethodAt: selector ifAbsent:[^nil]. > done := false. > result := [super removeSelector: selector] > on: CSqueak3Point8Detected do:[:ex| done := true. ex resume]. > done ifFalse:[self methodChanged: selector from: oldMethod to: nil]. > ^result > > > > > >

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Question about RefactoringBrowser
by Herbert König 25 Jan '06

25 Jan '06

Hello, I 've built an application with a class that's grown way too fat and I now want to reuse it. I made a superclass and make the old class its subclass. After that I thought I'd use RefactoringBrowser to move up the instvars and methods I like into the more general case. So I select the instvar, use RB selection pullUp and get the debugger like in the attached error....gif, saying the instvar is multiply defined. What to make out of this? Actually the instvar is only defined in that class (see references.gif). Maybe because I access the instvar directly to set it and via an accessor to retrieve it? Any hint appreciated. Thanks, Herbert mailto:herbertkoenig@gmx.net

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Using CurveMorph for build jigsaw puzzle
by Peace Jerome 25 Jan '06

25 Jan '06

Using CurveMorph for build jigsaw puzzle Hi Edgar, I took some time to think about your request. I would not use curves or curviers to build jigsaw puzzles. Your best bet is segmented polygons. You just need to add enough vertices to make a good curve approximation. Then arrange them in the solved puzzle. Give them a bitmapfill. Now for each piece do two things. Set the form of the fill to the picture of the entire solved puzzle and the origin of each bit fill to the same point (topLeft of the entire solved puzzle). Now each piece shows its portion of the puzzle. You can now scatter the pieces. Then of course you (or someone else) has a puzzle to solve. ----- Why not curves. The way they are set up now each vertex adds something to determine how the curves are done. To get matching edges you would need something new that hasn't been invented yet in morphic. It's and interesting problem but I've relegated it to a back burner. It will require time and inspiration (which comes with time and chance). I thank you though for triggering some thought on the subject. Cheers and joy -- Jerome Peace >Lic. Edgar J. De Cleene edgardec2001 at yahoo.com.ar >on Thu Jan 19 20:34:57 CET 2006 wrote: > >Jerome: > >Now what your work is on new images, I wish know if possible build jigsaw >puzzles, in particular pieces what combine straight and smooth segments as >the pieces what forms the border as you could see in the attached .jpg. > >Any tip are welcome. > >And for others Squeakers loving puzzles what wish point me to math of how to >build jigsaw puzzles, I said thanks in advance. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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How to fire an event when the project has loaded
by Rudolf Coetsee 25 Jan '06

25 Jan '06

Hi I would like my project to show a dialog and initialize it as soon as it has been loaded successfully into a web browser. I've tried adding a postscript in the change sorter, but although it seems to execute the statements in the postscript, the dialog disappears again almost immediately and is replaced by a blank screen. I also tried publishing the project with the dialog already displayed, which works better (i.e. when the project is loaded, the dialog is still displayed) but I obviously need some event to nudge it into action once the project has been loaded successfully. Can anyone help me with this? Thanks RUDOLF COETSEE

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Re: I press on forgot my pass on squeakpeople but not sure that I receive an email....
by Cees De Groot 25 Jan '06

25 Jan '06

There was an error in creating the mail (funny, because I'm quite sure I tested that bit). It's fixed now... On 1/24/06, stéphane ducasse <ducasse(a)iam.unibe.ch> wrote: > do you know from who I should receive the email? > > Stef >

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Do you think that squeak is long overdue for a Refactoring only pass.
by Peace Jerome 25 Jan '06

25 Jan '06

Squeak has had a lot on its plate. And as Marcus and Stef deliver 3.9 with a lot of good features, it would be good to let Squeak take time for digestion. The goal of a refactoring pass is that no behaviour is changed and definitely no new features added. The code is rearranged to make more sense organizationally. And methods that now carry the kitchen sink along with them get to put the sink back in the kitchen where it belongs. As I try to learn squeak by bug hunting, I am recongizing a lot of bugs are there because of confusion on the part of the would be maintainer. More over I am seeing a lot of code that is hard to track and easy to get confused by. In otherwords hard to maintain. A breather would be in order. The smell detecters should be brought out of moth balls. The cobwebs cleaned from the attic, the rugs taken out an beaten. The windows cleaned and opened so everything can be aired out. It could be just a short iteration. The code needs it. It would work the same at the end as it did at the beginning and we would have a cleaner base from which to add our new improvements. Yours in service, Jerome Peace Addenda: If you will look at Mantis #0002568: How much should warpblt inherit from BitBlt??? You will see where this is coming from and why it is necessary. Also: What would be really nice IMHO would be to follow this with a short pass dedicated to just the bug fixes that will have accumulated as we stuck to the discipline of a refactoring pass. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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RE: Survey finally published etc
by Peter Crowther 25 Jan '06

25 Jan '06

> From: [...] goran(a)krampe.se > I am worried about > it getting done at all and I am worried about too few people > showing up to vote. The election will get done - the process is workable. I'm worried about it getting done on time - the team leader hasn't made any announcement on here about the process. I would do so in his stead, but (a) I'm standing as a candidate and (b) I don't want to bypass the communications structure. That said, I *would* recommend that anyone interested in voting either gets an account on SqP or subscribes to one of the mailing lists for Squeak's stakeholder communities... - Peter

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