Squeak-dev April 2005

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158 participants
287 discussions

25 Apr '05

Yet another version of this to test by some daredevil. Requires Scamper working. Uses SGGridLayout (included). Report any problems ;-) Karl

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Numeric comparison.
by François THIMON 25 Apr '05

25 Apr '05

Hi. Could someone confirm me how I can know of two values match in squeak? Thanks.

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Squeak People posting summary
by cg＠cdegroot.com 25 Apr '05

25 Apr '05

Below are the most recent 5 articles that were posted on Squeak People (http://people.squeakfoundation.org/). Apart from the articles, you will find people's diary entries there, and an overview of the Squeak community: who is doing what, people's "standing", etcetera. If you don't have an account, please join - we're interested in getting to know you better! This message is posted automatically every week by a dirty shell script. _________________________________________________________________ Date: 2005-04-10 15:53:45 Author: lexspoon Title: Debian's Constitution How can a thousand developers, without being paid, each pursuing their own interests, funnel their energy into creating a system that is coherent, that stays malleable, and that provides useful compute power to tens of thousands of users? How can we assemble Squeak images that Just Work for our users? How can we provide a library of packages which load and work the first time, no matter the version of Squeak? It's a tough question with no simple answer. Our first try won't be perfect, and instead we should expect to grow the organization over time. But it's never too soon to start. This article kicks off the discussion by looking at a famous existing bazaar, [1]the Debian project. As a timely coincidence, they are just wrapping up their [2]2005 election for project leader. _________________________________________________________________ Date: 2005-02-20 21:46:55 Author: lexspoon Title: Squeak as a Commons Before we can organize Squeak, we must answer: "What is Squeak?" This article defines Squeak as a commons where many individual projects collaborate. The article sketches some of the subgroups using Squeak, and proposes an organizational structure based around giving representation to all of these subgroups. _________________________________________________________________ Date: 2005-01-27 15:49:25 Author: gokr Title: Taming the translation beast! Now - I have just started figuring out how to translate my [3]Homepage Builder application to english and of course ended up digging into the translation stuff. This is a short (well, kinda) report on what I found, how to use what we have, and what I think we need to fix. _________________________________________________________________ Date: 2005-01-10 04:23:15 Author: elvislives Title: squeak logo lookalike Hi, _________________________________________________________________ Date: 2004-12-30 16:37:02 Author: jj Title: Boosting Squeak: RockSolid images I have read the "rant" and "unrant" subject with a mix of uneasiness (embarrassment) and fear. The "Rant" thread began on the 15th of december 2004, and produced a lot of discussion. I will not summarize the thread, because a lot of people read it. Instead, I will go forward and try to find a pragmatic and constructive of helping the community (and yes, I am also very bold and handosome :) << ironic comment). References 1. http://www.debian.org/ 2. http://www.nl.debian.org/vote/2005/vote_001 3. http://www.bluefish.se/english/hemsidebyggaren.html --- (end of posting. Thank you for your patience)

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Fun with Literals...
by Marcus Denker 25 Apr '05

25 Apr '05

Literals are fun: >>>> tt >>>> 'hello' become: OrderedCollection new. >>>> 'hello' add: 1. >>>> 'hello' add: 2. >>>> ^'hello'. >>> >>> Ouahhhhhh >>> I thought that become: always needed a "variable" >>> here this means that the literal frame reference is used.... >>> crazy stuff. >>> >> >> hehe, I like this ;-) >> >> This method returns the number of times it has been called: >> >> tt >> 'hello' isString ifTrue: ['hello' become: (Array new: 1). ^'hello' >> at: 1 put: 1]. >> ^'hello' at: 1 put: ('hello' at: 1) + 1. >> :-) Marcus

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Question about continuations in the VM
by Hernán 25 Apr '05

25 Apr '05

Hello all. I've read that Continuations support needed some VM changes, this is true? If it is, someone can point me (a grosso modo) where are those changes? best regards hernán

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Can't use browser
by Daniel Levy 25 Apr '05

25 Apr '05

/Hello everybody I have installed Squeak 3.7-5989-full.image on Knoppix 3.7. I can't use the browser, I get the following: UndefinedObject(Object)>>doesNotUnderstand: #isSeparator //StandardFileStream(PositionableStream)>>skipSeparators //StandardFileStream(PositionableStream)>>nextChunk //StandardFileStream(PositionableStream)>>nextChunkText RemoteString>>text Any hints? Thank you -- Daniel /

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Questions about Transcript
by Ross Boylan 24 Apr '05

24 Apr '05

Poking around my image, I discovered I had some huge objects that were the contents of transcripts. I was surprised that Transcript open produces an empty Transcript window, even when I'm in the project with the big transcript (a Morphic project). Is there a natural way to get a window that shows the existing Transcript contents? Second, what's a good way to clear out the junk? I see various methods that sound in the right neighborhood, but I'm not sure which one to use. A particular concern is that the associated String has been grown to about 4Mg, though only about 2Mg is in use. I want to actually free up the memory, not just blank it out or reset the transcript counters. Finally, is there a good way to access the transcript without being in the associated Project? It seems to be in an instance variable for which there are no accessors, so the only way to get at it is when it gets swapped into Smalltalk at: #Transcript when the project becomes active. (I don't consider TranscriptStream allInstances and messing around in inspectors a good way to access a transcript). This is in a 3.6ish image, if that matters. Ross Boylan

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REMINDER: Harvesting Party Monday April 25th 17:00 GMT
by Ken Causey 24 Apr '05

24 Apr '05

Just a reminder that the next Harvesting Party will take place between 17:00 (5 PM) and 21:00 (9 PM) GMT Monday April 25th, 2005. As usual we will meet in #squeak on irc.freenode.net. More information about the #squeak IRC channel can be found at http://people.squeakfoundation.org/article/7.html Information about the Harvesting Party idea can be found at http://people.squeakfoundation.org/article/29.html If you have the time please attend and work toward the future of Squeak. The next seven parties are scheduled for 21:00 (09:00 PM) GMT Friday April 29, 2005 01:00 (01:00 AM) GMT Wednesday May 04, 2005 05:00 (05:00 AM) GMT Sunday May 08, 2005 09:00 (09:00 AM) GMT Thursday May 12, 2005 13:00 (01:00 PM) GMT Monday May 16, 2005 17:00 (05:00 PM) GMT Friday May 20, 2005 21:00 (09:00 PM) GMT Tuesday May 24, 2005

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[FIX] PartsBin-morphToDropFromFix
by Lic. Edgar J. De Cleene 23 Apr '05

23 Apr '05

This is a very ancient bug and I think I submit this fix earlier. But as I can't found on mantis and still all images have it, I resend again. Yes I know mantis. Yes I do the required steps. But I think I do all this before and still the bug is alive. Sorry If I upset someone. Edgar

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Re: constraints (was: web browsers)
by karl 23 Apr '05

23 Apr '05

Jecel Assumpcao Jr wrote: >Ned Konz wrote on Fri, 22 Apr 2005 12:02:51 -0700 > > >>John Maloney certainly has the background to answer that, having done a couple >>of papers (and his PhD thesis?) on constraint systems for GUIs. >> >> > >Thanks for the book chapter reference! While looking for that I found >other interesting things, including a paper about Cassowary which is >available on the SqueakMap. > > > >>I'm sure he can give more information on this, but when we talked about >>general-purpose constraint systems for Squeak GUIs I got the impression that >>he felt that the difficulty of communicating to the user just what was (or >>wasn't) happening in the constraint system would get in the way of general >>usefulness. >> >> > >Interesting - the reason I wanted something like this was the idea that >constraints could be represented graphically in a way that would be easy >for the user to keep track of what was happening. We could have a set of >scaffolding objects whose visibility could be turned on or off as >needed. > > > >>My impression has been that non-rigorous constraint systems (i.e. ones that >>don't require all of their constraints to be satisfied all of the time) may >>be helpful with GUI construction. >> >> > >The Cassowary paper talked about several levels of constraint priorities >(or strengths) with the lowest ones being ignored as needed. > > > >>However, we haven't fully attacked the simplest of layout schemes yet. >> >> > >Tables are the case I am interested in. They actually aren't >complicated, but do need constraints in both X and Y directions at the >same time. > > The SGGrid package I used in the TableMorph is quite good and simple. But you have to do a lot of hinting and checking to get width and height anywere near good looking and help it with column and row spans. I do several things to get it right, but there are many variation and issues. I think any framework would need a lot of hinting and massage to layout a HTML table in a nice way. Karl > > >>For instance, the GTK+ scheme that uses horizontal or vertical containers with >>different kinds of glue between their contents is at least easy to program >>and explain. >> >> > >This sounds similar to TeX and Morphic. It is nice to try to avoid >invisible objects in a layout scheme, but you often end up using a space >filling rectangle with the exact same color as the background to get >what you want and the effect might end up being very similar in >practice. > >-- Jecel > > > > >

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