Squeak-dev November 2006

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157 participants
223 discussions

Re: [ANN] SmallDEVS
by Frank Urbach 03 Nov '06

03 Nov '06

Hi Elod, This is the cool stuff I'm searching for. Great work. Many thanks. Cheers, Frank -------- Original Message -------- Subject: [ANN] SmallDEVS (03-Nov-2006 14:40) From: Elod Kironsky <kironsky(a)grisoft.cz> To: frank.urbach(a)schmees.com > Hi! > > I would like to announce SmallDEVS - a DEVS modeling and simulation > framework for Smalltalk. You can get more info at: > www.fit.vutbr.cz/~janousek/SmallDEVS. This tool is mainly for > educational and *experimental* purposes (don't expect an industry ready > tool) and introduces a new perspective on DEVS modeling and simulation > methodology, namely prototype-based modeling. Any comment, bugreports, > etc. are welcomed :-) > > Cheers, > > Elod >

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Re: I am standing by Juan's proposal, do you?
by Bill Schwab 03 Nov '06

03 Nov '06

Juan, If you are truly creating an extension to morphic, perhaps you should change the name? Calling it morphic 3.0 gives the impression that you plan to replace 2.0. As for the pixel, I must disagree; the pixel will die when we have "vector driven" or some other kind of display that is not memory mapped. As long as there are discretely addressable elements, they should be available, even if there are better ways to draw. Imagine external interfacing w/o byte arrays and pointers. Granted, we try to hide the details behind abstractions, but sometimes we simply have to get our hands dirty. This thread has passed the point of my being able to follow it. I will continue to try to do so, but I know I am missing things. Bill Juan Vuletich: To Bill, I agree that floats and general transformations are not the best solution for everything. Your point about PDAs is specially valid. Currently Morphic 3.0 is not a reasonable alternative to replace Morphic 2.0. But maybe some day. Wrt to 'killing the pixel'. The pixel is dying anyway. Postcript, pdf, display postcript, aqua, vista, see where the path goes? Wilhelm K. Schwab, Ph.D. University of Florida Department of Anesthesiology PO Box 100254 Gainesville, FL 32610-0254 Email: bills(a)anest4.anest.ufl.edu Tel: (352) 846-1285 FAX: (352) 392-7029

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Smart Do
by Francisco Garau 03 Nov '06

03 Nov '06

The following version of do works in a slighltly smarter way. It's a more generic version of #pairsDo: #( 1 2 3 ) smartDo: [:a | Transcript cr; show: a] #( 1 1 2 2 3 3 ) smartDo: [:a :b | Transcript cr; show: a + b] #( 1 1 1 2 2 2 3 3 3 ) smartDo: [:a :b :c | Transcript cr; show: a + b + c] I'm attaching a ChangeSet with the implementation. (Is this the best to contribute things? or should I package it in some other format?) Cheers, Francisco --- That which we call a rose by another name would smell as sweet -- WS ---

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The Squeak Collection of Outstanding Remarkable Values
by Klaus D. Witzel 03 Nov '06

03 Nov '06

Hi folks, I think that I'm going to build the Squeak Collection of Outstanding Remarkable Values. Therefore I have to tap the collective memory of the Squeakers (->YOU!) Take the following true positive examples which I hope do illustrate what I want to collect (further down below it has some false positive examples that I don't want to collect, just let them coexist please). Of course as soon as some momentum is gathered there be a web page which all the google users can make their start page. Do you happen to know a knowledgeable factum? If so, please post. Was such a collection already set up? If so, please post. Even if you have just some meager keywords: I want to know them, please post. I will do all the hard research work and find out the background and the related (if google permits). Thank you in advance, please post even your craziest idea! /Klaus +++++++examples+++++++ All platforms same image; unmatched interoperability. - http://www.squeak.org/Download Double dispatching; invented by the Smalltalk inventors. - http://portal.acm.org/citation.cfm?id=28732 Continuations; out of reach for majority of Smalltalk's competitors. - http://en.wikipedia.org/wiki/Continuation Seaside; nothing without continuations. - http://www.u3engage.org/public/thesis/ContinuationsModel.php - http://www-128.ibm.com/developerworks/java/library/j-cb03216/ -------examples------- Smalltalk is better than Java. Everything is possible with Smalltalk. Squeak is an ... - http://www.squeak.org/About/ Smalltalk, the language, is: - http://www.squeak.org/Features/

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Removing Etoys, Morphic and other friends
by Klaus D. Witzel 03 Nov '06

03 Nov '06

Hi folks, I'm neither a proponent nor an opponent of removing Etoys, Morphic, etc. Instead, I'm wondering what this debate might be about (myth? conspiracy? who in squeak-dev knows ;-) Very recently Damien's Squeak-dev image has shown that if there is demand, there comes supply. The same is possibile with Etoys, Morphic, etc. After all, Squeak and ingredients are made of software; neither seat belts nor batteries are included. So the one and only questions that I hope remains is this: is someone willing to remove Etoys, Morphic, etc such that there be one .image without it and one .image in which it is pre-loaded. This is like if the same factory outputs new, diversified products: always a great idea and always improves the reputation! And if there is no one who effectively *does* it, let _whatever_it_is_ rot in the image-until someone must fix things in order to support her/his own stuff. Whether you like it or not, the latter happens anyway. I firmly believe that this community is not capable of doing anything else. That's my CHF 0.05 /Klaus

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Re: I am standing by Juan's proposal, do you?
by Bill Schwab 03 Nov '06

03 Nov '06

Juan, I'm not sure we do agree, or you would have said "provide higher level, anti-aliased, graphic transformations" in addition to traditional bitmapped graphics vs. (what I thought I read) trying to kill the pixel concept. I will likely need to be able to use integer coordinates and bitmaps; I also want to not need to use them. Optional physical measurements in floating point form to potentially composite transformations is a great idea; just don't forget the bitblt and friends are _really_ useful not to mention fast. My hunch is that Smalltalk will allow the code to be shared, with floats flying around only if requested somewhere along the chain of inputs and transformations. To the extent that you are suplementing vs. replacing the basic graphics capabilities, it probably becomes less important. But speed and flexibility will always be important options, if only because we will want to do ever more on ever smaller devices. Bill Juan Vuletich: Hi Bill, Bill Schwab escribió: > Juan, > > If you are truly creating an extension to morphic, perhaps you should > change the name? Calling it morphic 3.0 gives the impression that you > plan to replace 2.0. What I'm doing is not an extension to morphic. It is a redesign. Please read http://www.jvuletich.org/issues/Issue0002.htm . > As for the pixel, I must disagree; the pixel will > die when we have "vector driven" or some other kind of display that is > not memory mapped. As long as there are discretely addressable > elements, they should be available, even if there are better ways to > draw. Imagine external interfacing w/o byte arrays and pointers. > Granted, we try to hide the details behind abstractions, but sometimes > we simply have to get our hands dirty. > > This thread has passed the point of my being able to follow it. I will > continue to try to do so, but I know I am missing things. > > Bill > Then we agree. I see pixels as bits in memory. We all know our computers use them. But we can safely forget about them when we use our computers (and program them). Cheers, Juan Vuletich Wilhelm K. Schwab, Ph.D. University of Florida Department of Anesthesiology PO Box 100254 Gainesville, FL 32610-0254 Email: bills(a)anest4.anest.ufl.edu Tel: (352) 846-1285 FAX: (352) 392-7029

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[Q] What is Mondrian?
by Torsten Bergmann 02 Nov '06

02 Nov '06

Hello Sungjin, have a look at http://astares.blogspot.com/2006/11/mondrian-for-squeak.html and http://smallwiki.unibe.ch/mondrian/ Bye Torsten -- Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer

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Re: [Q] What is Mondrian?
by Frank Urbach 02 Nov '06

02 Nov '06

Hi, For a feeling what Mondrian is for load the Package (Load the Package Announcements before. Is on the same repository) and see in the Tests. There you find a class called MOPaintings. On the class side you find some methods explaining different possibilities using Mondrian. It's a very flexible framework showing datastructures in one picture. The original framework is an implementation in VisualWorks http://smallwiki.unibe.ch/Mondrian. Cheers, Frank -------- Original Message -------- Subject: [Q] What is Mondrian? (02-Nov-2006 9:23) From: Sungjin Chun <chunsj(a)embian.com> To: frank.urbach(a)schmees.com > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > During following links in weekly squeak news, I found that on Lukas's > MC, there's project called Mondrian. I, now being very curious on this > :-), ask that what this project is for? > > Thanks in advance. > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.2.2 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFFSasVQqspS1+XJHgRAunrAJ0bhCAMQMTJqbCBjJ0RlJvwZD1C2gCfceWK > R2+rcvgimsE8cMRT9CHf/gs= > =eGUj > -----END PGP SIGNATURE----- >

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[Q] What is Mondrian?
by Sungjin Chun 02 Nov '06

02 Nov '06

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, During following links in weekly squeak news, I found that on Lukas's MC, there's project called Mondrian. I, now being very curious on this :-), ask that what this project is for? Thanks in advance. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFSasVQqspS1+XJHgRAunrAJ0bhCAMQMTJqbCBjJ0RlJvwZD1C2gCfceWK R2+rcvgimsE8cMRT9CHf/gs= =eGUj -----END PGP SIGNATURE-----

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Box-Admins Team Report for October, 2006
by Ken Causey 02 Nov '06

02 Nov '06

The box-admins team is reponsible for seeing that the community shared server is maintained and setting up any new features to be hosted on that server. For October 2006: The server was down for some period of time due to a power outage at the hosting provider early in the month. Clearly this was out of our control but hopefully not likely to be replicated in the near future. One thing this outage did point out was that we had not gotten around to ensuring that some of the essential processes would automatically restart when the system restarted so there was quick round of setting up processes under daemontools ( http://cr.yp.to/daemontools.html ). A couple of new hostnames were setup that currently redirect to other existing sites but may in time become the home for these services: http://wiki.squeak.org/ -> http://minnow.cc.gatech.edu/squeak/ http://news.squeak.org/ -> http://weeklysqueak.wordpress.com/ I would like to suggest that everyone get in the habit of using these wherever they would have previously used the old addresses so we can get in the habit and not be surprised when the old address stop working. Brad Fuller is working on a new website for SqueakFoundation based on Pier and hopefully there will be some news about that soon. I want to thank the community for the monetary support needed to fund these boxes and remind them that the bills continue to appear and that you can currently contribute to the hosting bills by going to http://discuss.squeakfoundation.org/ and clicking on the 'donate' button at the top right. Note that a donation here may be used for other Squeak Foundation services including but not limited to development, development infrastructure, and promotion of Squeak. The services being hosted have continued to grow and include (but are not limited to): http://www.squeak.org/ SqueakMap - http://map.squeak.org/ http://ftp.squeak.org/ http://lists.squeakfoundation.org/ http://discuss.squeakfoundation.org/ http://source.squeakfoundation.org/ http://map.squeak.org/ https://svn.squeak.org/ http://update.squeakfoundation.org/ and DNS services for squeak.org and squeakfoundation.org domain names. Ken

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