Squeak-dev December 2005

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129 participants
187 discussions

RE: What does Squeak application development look like?
by Ramon Leon 09 Dec '05

09 Dec '05

Couple of minutes, if that, because I'm only loading code for that project. I keep a clean image with all my necessary tools and frameworks already loaded, and just clone that and load in project specific code. As a separate task, once in a while I'll upgrade the clean base image with new versions of things like Seaside, Magritte, or what ever else I consider part of my base image. I'm using Goods for object persistence so once an image is loaded, I fire it up and have access to all my existing objects. > -----Original Message----- > From: squeak-dev-bounces(a)lists.squeakfoundation.org > [mailto:squeak-dev-bounces@lists.squeakfoundation.org] On > Behalf Of Darius Clarke > Sent: Friday, December 09, 2005 10:06 AM > To: The general-purpose Squeak developers list > Subject: Re: What does Squeak application development look like? > > Ramon, > > How long does it take for you to "reload all code" on a > typical project? > > Cheers, > Darius > >

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Janitors Team Report for November, 2005
by Ken Causey 09 Dec '05

09 Dec '05

The Janitors team continues quietly. A small number of new issues reported to the mailing list were moved to the Mantis database ( http://bugs.impara.de/view_all_bug_page.php ) as appropriate and new uncategorized Mantis issues were categorized. Nothing too exciting clearly. :) Ken

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RE: What does Squeak application development look like?
by Ramon Leon 09 Dec '05

09 Dec '05

> I do not move images around. I check in using Monticello, and > check out at another machine in a different image. Just like > with SVN (in fact, we're using SVN to version everything except code). > > The images on the various machines usually are different, > have different packages loaded, different update levels etc. > That way it's easier to spot version-dependent problems. > > - Bert - Same here, I move around between 3 machines and use Monticello to keep them in sync with the latest code, no need to carry an image around. I'll rebuild from a clean base image once in a while, on any computer, and reload all code from Monticello, this can often point out package dependency problems where I've inadvertently put a method or extension, or used a class from a package in a way that creates a circular dependency. Loading from source on occasion forces me to fix those issues that may go unnoticed if I simply carried around a single image. Using different images also helps avoid having code that only runs because of some test objects created by hand in a workspace, like finding out everything works great, until there are no objects in the system, then things blow up because your code didn't consider an empty system. Ramon Leon

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A new Smalltalk gathering on Dec 3, Saturday in Paris, France
by Serge Stinckwich 09 Dec '05

09 Dec '05

Hello all, the french Smalltalk community organize a SmalltalkParty in Paris. More info (in french) available here : http://community.ofset.org/wiki/Smalltalk_Party_Paris_2005 Several talks and demos about "Using Smalltalk for companies", Squeak, Seaside, Croquet and UbiTalk (a new ubiquitous framework) are planned. We will have also a special dedication session with Stéphane Ducasse for his new book : "Squeak, Learn Programming with Robots" (http://smallwiki.unibe.ch/botsinc/). You can register freely on the wiki page. PS : Paris is not to far away from Belgium or Luxemburg ;-) -- oooo Dr. Serge Stinckwich OOOOOOOO Université de Caen>CNRS UMR 6072>GREYC>MAD OOESUGOO http://purl.org/net/SergeStinckwich oooooo Smalltalkers do: [:it | All with: Class, (And love: it)] \ / ##

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[ANN] Magma Server image with web management console
by Cees De Groot 09 Dec '05

09 Dec '05

Hi, In using Magma in the mixed client/server mode, I found that image startup/shutdown time became a bit of a nuisance - Magma takes its time to reconnect and disconnect. So I decided to move to a separate server, one on my laptop for all my little projects. Most of my work (not much, being very busy with some network debugging around Kolibri) these days revolves around Kilauea, which wants to provide an easy out-of-the-box experience around Magma+Seaside, so I decided to make this thing user-friendly by adding a simple management console in HV. As an added advantage, this enables me to run the image as an NT service... http://de-1.tric.nl/~cg/mc/Kilauea-Magma%20Server%20Management-CdG.1.mcz has the code, but even better: http://de-1.tric.nl/~cg/MagmaServer-CdG.1.zip has the ready-to-run image (the image says to start a service on port 21000, but as you have it with beta software, I didn't do a shutdown before shipping the thing so it'll run out-of-the-box on this port). In other words, under Linux: % mkdir MagmaServer % cd MagmaServer % unzip /tmp/MagmaServer-CdG.1.zip % nohup squeak -headless magmaserver.image & and you should be able to connect to http://localhost:21000/ a few seconds later. On Windows: - Unpack the zip file in where you want the server to run; - Copy Squeak.exe to that directory and create a Squeak.ini there that has: [Global] ImageFile="C:\<full path to dir>\magmaserver.image" - Open a windows console window on the directory and do: Squeak -service: "Magma Server" - Follow the prompts, but don't start the service yet. Go to the service console (Start->Run services.msc), open the properties on the Magma Server service, and in the second tab switch it to run under your account - for some reason, running Squeak under the system account as a service never works. - Apply settings and start the service. - Surf to http://localhost:21000/ MacOS X, Risc OS, ...: - Send me a machine and I'll figure it out ;-) This is not a top-priority project for me, but if you have comments and patches, i'll do my best to shove out another version in a week or two if any big issues pop up. Happy hacking! Cees

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Are there any interfaces to LAPACK or BLAS out there?
by nicolas cellier 09 Dec '05

09 Dec '05

Hello, I have already developped that Smalltalk interface to BLAS/LAPACK 15 years ago in objectworks then visualworks, but for commercial app. Now, starting from scratch, i began publishing package Smallapack on Cincom store repository. It is cincom visualworks (7.2), not squeak (is this a real problem ?), and also much incomplete yet (mostly BLAS). But i think i will make it grow sooner or later. nice

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reading squeak dev from yahoo
by Ron Teitelbaum 09 Dec '05

09 Dec '05

You can subscribe to the yahoo squeak news group to get squeak dev delivered to you while the mailing list is blacklisted, the yahoo list is still receiving mail and sending it out. http://groups.yahoo.com/group/squeak/ Ron Teitelbaum

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Autoconf for Linux VM
by Michael Kleiber 08 Dec '05

08 Dec '05

Hi, I am currently fiddeling with the VM to add tablet input support for Linux. The problem I have is that I have only very limited experience with autotools. Can somebody please tell what I have to change to have configure check for XInput.h and add -lXi to my Makefile in vm-display-X11. Thanks, Mike

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[ANN] 'test' server
by Cees De Groot 08 Dec '05

08 Dec '05

As our experiences with Hetzner hardware are mixed (we have had two boxes with problems so far - they supply good service but it results in downtime nevertheless), I decided to get a second box for myself, mainly to backup my first box and to serve as a fail-over in case it's necessary. However, what to do with that AMD Sempron64 3000+, the 1G RAM and the 500G bandwidth allocation in the meantime? I'm already hosting a couple of test images, and I decided to widen the scope a bit - if you have a hack or something that needs to be tested or just on a web server for a demo, ping me and I'll see whether I'll host it. The general conditions are: you get 5 open ports to use and an ssh login, if I notice your image chewing 100% CPU I'll kill it, and there's no availability guarantee :) Also, it'll be - if I can one or two people to help me here - the test area for a fully automated Squeak production system. The idea is to build and test an image every night from source.squeakfoundation.org/inbox and have a tinderbox-like report as a result... Oh, and as I'm writing this box2 is dumping its guts on that disk - it'll take over from a temporary box I used as backup server for box2. Regards, Cees

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RE: looking for a graph package
by Baveco, Hans 08 Dec '05

08 Dec '05

The message below was send to the VWNC list, two months ago. The english version was put into the open repository as bundle Graphs. Might be interesting for you? Hans From: Alex Baran [alexb(a)optima.com.ua] Sent: maandag 3 oktober 2005 10:50 To: Cesar Rabak Cc: vwnc(a)cs.uiuc.edu Subject: Re: KGraph or Graphs package for VW Attachments: 1.PNG; 2.PNG Hello Cesar, Sunday, October 02, 2005, 9:04:47 PM, you wrote: CR> I'm searching for packages for graph (from graph theory) work and CR> until now the only one I found is version for Squeak (Graphs, CR> Kgraphs link seems to be dead, although is squeak as well). CR> Is there an implementation already done for VW? CR> I would like not re-invent the wheel ;-) I don't know if this can help you, but... Some times ago, during reading book about algorithms, I had write program that implemented some graph algorithms. Grpahs and solutions to problems such as shortest paths or maximum flow can be showed graphically (HotDraw). There are such algorithms: 1. Minimum spanning tree. 2. Single-Source Shortest Paths (Dijkstra algorithms). 3. All-pairs shortest paths. 4. Transitive closure. 5. Maximum flow (The relabel-to-front algorithm) 6. Chromatic painting. 7. Gamilton cycle(slow implementation). 8. Topological sort. 9. Is graph strongly connected, semiconnected. 10. Is graph represent network. 11. Is graph has cycles. You can draw graph and apply several algorithms at once. If you change graph all solutions will be recalculated. Graphs can be file-saved. Domain logic covered by tests, GUI is not. Program has russian interface. I can translate interface, if this can be interseted to anyone. Alex Baran

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