Squeak-dev May 2008

squeak-dev@lists.squeakfoundation.org

141 participants
174 discussions

It appears that squeaksource is down...
by John Chandler 26 May '08

26 May '08

I do not presume that I have any clue as to the significance of this or the lack thereof. Any such clue would be appreciated. Thanks. -jmc / morph(a)growler.net Reunion dot com is a spam virus. Shun this company as you would not a mere leper.

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A problem with my browser? :)
by Igor Stasenko 25 May '08

25 May '08

Unable to connect Firefox can't establish a connection to the server at www.squeaksource.com. * The site could be temporarily unavailable or too busy. Try again in a few moments. * If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. ----- Does anybody knows what is wrong? Maybe i need to install Firefox update? :))) -- Best regards, Igor Stasenko AKA sig.

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Fwd: [squeak-dev] Gettext EToys patches for Squeak.org
by Hilaire Fernandes 25 May '08

25 May '08

---------- Forwarded message ---------- From: Korakurider <korakurider(a)gmail.com> Date: 2008/5/25 Subject: Re: [squeak-dev] Gettext EToys patches for Squeak.org To: hilaire(a)ofset.org Hilaire, I am replying to you as I 'm not a subscriber of squeak-dev. Please feel free to forward this. On Sat, May 24, 2008 at 7:28 PM, Hilaire Fernandes <hilaire(a)ofset.org> wrote: > Korakurider, do you know of any constraint to make working your Gettext > patch for Etoys into standard Squeak.org images? Constraint of what ? About my patches, someone needs to pull complete changes from the stream; some changeset pushed actually were revised from my original and Takashi wrote some. And I don't keep complete set. Here are some thought: + Gettext based translation ecosystem consists of several effort. Your scope and goal need to be planned before start the work. -- translation engine based on gettext emulation and refactoring to existing translation engine -- small facility to manage translation domain -- POT extractor -- massive changes to apply #translatedNoop to code so that all strings to translate will be extracted to POT -- translation portal and central repository where community work on + how to define translation domain is important and difficult. I think even for OLPC etoys we haven't gotten good scheme. /Korakurider -- http://blog.ofset.org/hilaire

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RE: [Newbies] audio query
by Brad Fuller 25 May '08

25 May '08

Hi Ken, You can play mp3 files within Squeak, and ogg is now available in Etoys, but I'm not that familiar with the inclusion. OSC is available in squeak (http://map.squeak.org/package/61f807be-83a3-4944-bfa1-686ddac7153c) so you can interface with programs like SuperCollider which is what Cesare Marilungo is doing.. (http://www.cesaremarilungo.com/sw/supercollider-morphs-for-squeak) Stéphane Rollandin has create µO (http://www.zogotounga.net/comp/squeak/sqgeo.htm). I don't know the current state. Maybe Cesare and Stéphane can give us an update. Craig Latta had done some work with midi, but I don't think it's integrated into the main image. Craig? (I'm forwarding your email to the Squeak-Dev mailing list. The Squeak Audio mailing list seems to be removed. Anyone know about that?) ---------- Forwarded message ---------- From: Kenneth Sherwood <kwsherwood(a)gmail.com> Date: Mon, May 19, 2008 at 6:35 PM Subject: [Newbies] audio query To: beginners(a)lists.squeakfoundation.org As a writer and non-programmer (high school Fortran in 1986) who has used out-of-the-box tools such as flash and dreamweaver, I've just begun teaching myself Squeak--which was recommended by a hypertext writer/aquaintence Jim Rosenberg. My interest is in building interactive text / audio projects and live-art-performance tools in a user-defined workspace apart from the constraints/habits associated with Flash and Director, and without the platform dependence and proprietary concerns. I've gathered what seem to be the "classic" beginner texts: Squeak: Learn Programming with Robots, Squeak: A Quick Trip to ObjectLand, and Squeak: Object-Oriented Design with Multimedia Application (Guzdial). Can anyone speak to the multimedia potential of Squeak and/or its likely development trajectory, especially with regard to audio? The midi tools and synthesis look promising, but as I've mostly worked with recorded voices, I was worried to see no apparent support for compressed audio. Most of my searching in the news-groups has turned up dead-ends, like the tool called "Siren" that is now written for a different smalltalk dialect. I see the Guzdial now seems to be publishing books on Python and Java as "multimedia" languages, and I sense much development work must be going into Croquet. So in short, can someone with experience using squeak in a multi-media presentational format, especially audio, reassure me that what will be the somewhat steeper learning curve (for a self-taught, non-programmer) will pay off? Many thanks... Ken __________________________________ Kenneth Sherwood, PhD Associate Professor of English Graduate Program in Literature and Criticism 110 Leonard Hall Indiana University of Pennsylvania Indiana, PA 15705 www.sherwoodweb.org

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Doing spanish translation??
by Javier 24 May '08

24 May '08

Hello, I'm new to this list. I'd like to translate the official 3.10 image to spanish, and would like to know if there would be any problem to include that translation into the official image or not, just because it is a lot of work and wouldn't like to waste the time. (I'm a native spanish speaker) Thank you.

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Re: [squeak-dev] [ANN] SwaLint
by Tobias Pape 23 May '08

23 May '08

Hi Lukas, Am 2008-05-23 um 16:53 schrieb Lukas Renggli: > Hi Tobias, > >> That was one of our most important goals. Within SwaLint, one is >> able >> to use results from other test (and plug-ins, as well) to >> generate one's >> own results. > > I don't think I understand. Can you give an example where tests depend > on each other? This is true for all Disharmony category plug-ins. E. g., see >> SLDisharmonyPlugIn>>godClass: aSLClassTestObject aSLClassTestObject shouldBeClass. ^ self successResult: (((aSLClassTestObject resultOf: #accessToForeignData) > #few) & ((aSLClassTestObject resultOf: #weightedMethodCount) >= #veryHigh) & ((aSLClassTestObject resultOf: #tightClassCohesion) <= (1/3))) << where #few and #veryHigh correspond to thresholds and #accesToForeignData, #weightesMethodCount and #tightClassCohesion are the symbols of tests offered by the SLClassMetricsPlugIn. Note that resultOf: triggers lazy evaluation, i. e. if the results of this tests are already available, they are returned. Otherwise, they are computed, cached, and then returned. > >> At the moment, we provide Boolean, Integer, Percentage, and >> Uniformity results. These results may have thresholds, so you can >> 'ask', e. >> g. whether the ATFD (access to foreign data, a class metric) for >> the class >> your test is currently processing is greater than 'high'. > > But a metric is not a test in itself, right? A test consists of > metrics and thresholds. It depends. It is possible to assign any kind of threshold to any kind of result. We provide some default ones. E. g. the SLNumericResult provides the low, average, high, and veryHigh “threshold family” as well as these ones, which we named “fewMany” threshold: none one two three few several many tooMany. Most of them are computed on an “average and standard deviation” approach. There values, in turn, can be saved to the preferences. This is actually independent of whether a test makes use of metrics or not. On the other hand, the metrics cannot as easily be used as we like to use them when no thresholds are in place. So, to clarify your statement: No, a does not need to consists of metrics and thresholds. Moreover, a test simply should return a result (as a descendant of SLResult) based on its input subject. > >> One example would be the UI. > > OBRefactory has a nice UI. > > http://www.lukas-renggli.ch/blog/ob-rb-3 There are some nice parts in there. Actually, what I thought of was the SmallLint’s UI, not an OmniBorwser tool. Besides, correct me if I’m wrong, but this tool was not available last October, was it? >> We encountered a problem concerning several SmallLint rules. >> These rules >> simply >> failed in the sense of that a debugger popped up. Sadly, all >> other test >> results were gone >> then. > > I fixed that in the latest version of the refactoring browser. Thats nice. We’ll check that in order to update our default preferences to enable them by default. > >>> How do you do the scoping? >> >> What do you mean by scoping? > > SmallLint has sophisticated scoping tools. You can run in on the > image, on a package, on a class, on a class hierarchy, etc. We use a notion of Test Objects (descendants of SLTestObject). It is a tree-based approach of nested test objects. Currently, we support test objects ranging from systems (i. e., multiple categories, e. g. a package) to methods an variables. If you know about another more fine or coarse abstraction, feel free to add them to the SLTestObject hierachy So long, -Tobias

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looking for playing cards
by Rob Withers 23 May '08

23 May '08

I am looking for a deck of playing cards implemented in Squeak for a game I am planning to create. Is there an implementation for solitaire or something? thanks, Rob

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Re: [squeak-dev] Smalltalk images considered harmful
by K. K. Subramaniam 22 May '08

22 May '08

On Thursday 22 May 2008 4:28:29 am Jecel Assumpcao Jr wrote: > Our sources are the .image files. It isn't what people are used to, but > that doesn't make it less true. From the tone of the email, it looks as if Debian maintainer is just trying to understand images and figure out how to handle images in their current version control process. Text-based tools like texteditor, cmp, diff, patch etc.used in version control will not work with images. A Squeak image is not a 'source' but records the entire state of a virtual machine. In a way, it is like firmware to configure wireless devices or codecs required to interpret certain audio/video files. VM mimics a virtual device and image is its 'firmware'. The issues are: 1. How does one compare two images A and B are equal? 2. If A and B are not equal, how to extract the patch which produced B from A? 3. How does one compare two patch set to see if they are equal? 4. Given an image A and a series of patches P1..PN, can different people apply them in a sequence to produce the 'same' image, B. 5. Is an image file specific to an architecture or not (answer: not) I remember 1) was discussed in this mailing list sometime back but don't recollect a solution emerging from the discussions. Subbu

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DBDebugging and obsolete class
by Hilaire Fernandes 22 May '08

22 May '08

In a 3.9dev, I found the DBDebugging class Cache dictionary contains a lot of reference to obselete classes. Is it normal? Hilaire

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[OSProcess] How to read the stdout of a process running an infinite loop?
by Noury Bouraqadi 22 May '08

22 May '08

Hi, Gautier and I have a software written in C that loops infinitly doing some computations. At every iteration it displays something on the shell. We want to read the output into squeak. We can not wait for the end of the computations, since it's an infinite loop :-) Any hints? Thanks, Noury ------------------------------------------------------------------ Dr. Noury Bouraqadi - Enseignant/Chercheur Responsable de l'enseignement de l'informatique ARMINES - Ecole des Mines de Douai - Dept. I.A. http://vst.ensm-douai.fr/noury European Smalltalk Users Group Board http://www.esug.org ------------------------------------------------------------------

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