Squeak-dev February 2003

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195 participants
766 discussions

timestamp
by Janet Abdul-Karim 05 Feb '03

05 Feb '03

I am trying to get a the current time from squeak. I have played and tried all some of the methods in date and time and they either give me errors or they are values i have to set so they give me nil. I even downloade the timestamp.st file and no such there either. Are there any suggestions that anyone can give me. Thanks in advance. --------------------------------- Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now

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Morphic tutorial
by Janet Abdul-Karim 05 Feb '03

05 Feb '03

I need to find a morphic tutorial. I did a google search and the examples there didn't help me. The book by Guzdial is confusing to me and I have also looked on the GT website. I am just trying to create a frame, text area, and some buttons to process somethings. Thanks everyone for their help so far. You all have been great. --------------------------------- Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now

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[Q] Endianness (was: [ANN] Ma client server)
by Chris Muller 05 Feb '03

05 Feb '03

> dependent. As far as I understand, Ma Client Server would cause problems when > used with mixed big/ low endian machines, but I'm not sure (just using little > endian ones), but I am not an expert. I'm no endianness expert either. My understanding is its two different ways to store an Integer, so a heterogeneous environment would be problematic. I noticed that, when I set my appearance.. | display depth.. it provides both big and little endian. I wonder whether endianness can be specified when putting numbers into a ByteArray..? Until multi-platform issues get worked out, I have downgraded the "stability" on SqueakMap to "Beta". Say, if you get time, would you mind running clientTest.ws and serverTest.ws on Linux? Two images, server first, bam, bam, Transcript wizzes 1 to 50, done. Well, hopefully anyway.. Regards, Chris __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com

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Re: timestamp
by jn_karim <jn_karim＠yahoo.com> 05 Feb '03

05 Feb '03

Yes i have tried Time now and I get an error. --- In squeak(a)yahoogroups.com, Anthony Hannan <ajh18@c...> wrote: > Janet Abdul-Karim <jn_karim@y...> wrote: > > I am trying to get a the current time from squeak. I have played and tried all some of the methods in date and time and they either give me errors or they are values i have to set so they give me nil. I even downloade the timestamp.st file and no such there either. Are there any suggestions that anyone can give me. Thanks in advance. > > Have you tried "Time now"

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Re: [ANN] Closure Compiler
by David T. Lewis 05 Feb '03

05 Feb '03

On Wed, Feb 05, 2003 at 12:50:30AM -0500, Anthony Hannan wrote: > Hello fellow Squeakers, > > At http://minnow.cc.gatech.edu/squeak/ClosureCompiler you will find a > zip of changesets that adds a closure compiler to the standard Squeak > image (without replacing the existing compiler). A new "general" > preference called #compileBlocksAsClosures determines which compiler to > use for new methods. When true the closure compiler is used, when false > the existing compiler is used (default). Wonderful! Thank you for making this available.

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Re: [ANN] Closure Compiler
by Avi Bryant 05 Feb '03

05 Feb '03

On Tue, 4 Feb 2003, Anthony Hannan wrote: > Since your not unwinding, what's the difference between terminating > (nilling out contexts) and just letting the whole chain get garbage > collected. At least the latter will allow someone to hold onto it if he > wants it later. It's necessary in particular for BlockContext, which if not nilled out refuses to be evaluated again. It also seemed to make a difference for the old exception code, although I don't have a test case for that, so I don't know if it would still apply. You'll find the test cases for Continuation and Amb won't run properly without the termination - at least not without recompiling TestRunner to use BlockClosure instead of BlockContext.

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Re: [ANN] Closure Compiler
by Anthony Hannan 05 Feb '03

05 Feb '03

Avi Bryant <avi(a)beta4.com> wrote: > This is great work. Thank you. I very much hope this gets properly > tested and evaluated for inclusion in the mainstream release. I > personally especially appreciate that you made an effort to cleanly > support continuations. I'm glad you like it. > More importantly, I've made sure that Continuation>>value and #value: > properly terminate the current stack before jumping to the new one. This > cleans up a number of small problems, particulary when dealing with > BlockContexts. Since your not unwinding, what's the difference between terminating (nilling out contexts) and just letting the whole chain get garbage collected. At least the latter will allow someone to hold onto it if he wants it later. > I've attached a fileOut that includes the modified Continuation class, an > SUnit test case for Continuation, and an example of using continuations: > the Amb class (you can find some background on Amb at > http://mitpress.mit.edu/sicp/full-text/sicp/book/node89.html, and see the > methods of AmbTest for example usage in Smalltalk). Thanks for the test case. Cheers, Anthony

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Re: Using the Right techonology: Smacc...
by Anthony Hannan 05 Feb '03

05 Feb '03

Anthony Hannan <ajh18(a)cornell.edu> wrote: > The Closure Compiler uses a new AST that is cleaner than the old one. but uses the same scanner and parser, which I wouldn't mind seeing replaced. (Sorry I forgot the rest of my thought. Its getting late) Cheers, Anthony

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Re: Using the Right techonology: Smacc...
by Anthony Hannan 05 Feb '03

05 Feb '03

Stephane Ducasse <ducasse(a)iam.unibe.ch> wrote: > what is really needed: > - a clean classBuilder (we may do that) > - a real clean ***from scratch*** browser that we could use (and not > patching again this BAD browser) > - a real scanner/parser/AST that is not buggy. The Closure Compiler uses a new AST that is cleaner than the old one.

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Re: timestamp
by Anthony Hannan 05 Feb '03

05 Feb '03

"jn_karim <jn_karim(a)yahoo.com>" <jn_karim(a)yahoo.com> wrote: > Yes i have tried Time now and I get an error. Hmm... It works for me. You must have some different code somewhere. Or maybe something is wrong with your primitive (OS call). Try "Time primSecondsClock". I can't help you if this doesn't work. Some OS/VM guy will be able to help you.

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