Squeak-dev November 2007

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142 participants
155 discussions

Feedback for News Team - Links on Weekly Squeak
by Ron Teitelbaum 16 Nov '07

16 Nov '07

Hi all, Some blog links were added to the Weekly Squeak. When I asked why the only comment I got was that we have a blog aggregator already http://planet.squeak.org (which I took as a suggestion that these links are not necessary) What I'd like to ask everyone is this: 1) Should the Weekly Squeak have external links on it? 1a) If you think we should have links what links should we have? 1b) What should be the criteria, and process for changing the list? Or: 2) Should we replace these links with internal links like planet.squeak.org? Feel free to respond on or off list. Thank you for your feedback, Ron Teitelbaum Squeak News Team Leader

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Updated 3.8.2 updates
by Michael Rueger 15 Nov '07

15 Nov '07

Hi all, I put up an updated set of updates for 3.8.2 here: http://impara.de/~michael/proposed-3.8.2.zip If no major problems turn up I would like to push those tomorrow or so. Michael

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Concurrent Futures
by Peter William Lount 15 Nov '07

15 Nov '07

Hi, This link will be of interest to those wanting easy concurrency. Works best for simple cases and can be used as a primitive in building up more complex concurrency controls. However, use with caution, especially when larger amounts of code are being executed that could conflict with other threads is involved. This applies even in the single native thread multiple Smalltalk "light weight green" processes environment of most Smalltalks. http://onsmalltalk.com/programming/smalltalk/smalltalk-concurrency-playing-… Cheers, Peter

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Overriding #class
by Martin Beck 15 Nov '07

15 Nov '07

Hello, we have a little problem while implementing a CodA meta-object protocol. The facility we try to implement now (or first :) ) is that every instance should have the possibility to add behaviour (i.e. methods) to it, but not to the class. Our first approach, which was also advised in Jeff McAffer's papers, was to insert 'anonymous' classes, which implement these methods and change the objects class to that new foo-class. However, to retain normal behaviour, we want to override the #class method to return the real class of the object, not the inserted one. The CodA metastructure will be accessed through a #meta message. As you might have expected, our problem is now, that the compiler optimizes the #class send and therefore the code only works in the debugger. Our question is now, whether there is an easy and shareable (Monticello, etc.) way to disable these optimizations and whether this idea could work with the current VM implementation? If the VM doesn't use the #class method to bind messages to an object to the methods of its class, we think that it could be possible, but if this lookup is not built into the VM but rather into the ST system, we have to go another way... Any ideas? Maybe replacing the object which shall be extended by a method with a proxy, catch every message and do the lookup ourselves? Regards, Martin

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[ANN] Swazoo 2.1 beta released
by Janko Mivšek 15 Nov '07

15 Nov '07

Dear all, New Swazoo 2.1 is ready for beta testing, with an easier startup as a main new feature. Now you can start simply by: SwazooServer startOn: somePort and Swazoo will start listening on all IP interfaces on your machine. It will also ignore host and port in web requests. This is very handy for running Swazoo behind load balancers and is the same as Kom startOn: somePort on Commanche. Please help testing it. It is available here: - Squeak: http://www.squeaksource.com/Swazoo/Swazoo-2.1.beta1.mcz - VisualWorks: in public Store: Swazoo 2.1beta1 Best regards Janko -- Janko Mivšek AIDA/Web Smalltalk Web Application Server http://www.aidaweb.si

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Re: ANSI Smalltalk
by Bruce Badger 15 Nov '07

15 Nov '07

On 14/11/2007, Jecel Assumpcao Jr <jecel(a)merlintec.com> wrote: > Note that ANSI = AMERICAN National Standards Institute > Does it make sense for non US people to participate? I think so. This is not a matter of jingoism but rather a matter of reusing what we already have instead of starting from scratch. ANSI/INCITS provide a framework for arriving at a documented and recognised consensus. That's what we need. And BTW, there is a mechanism for taking an ANSI standard on to ISO so we can do that if we think it's worthwhile. Bruce (Australian & British currently working in the UK) -- Make the most of your skills - with OpenSkills http://www.openskills.org/

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Re: ANSI Smalltalk
by Bruce Badger 15 Nov '07

15 Nov '07

On 15/11/2007, Jecel Assumpcao Jr <jecel(a)merlintec.com> wrote: > > > > On 14-Nov-07, at 10:11 AM, Bruce Badger wrote: > > > > > I think so. This is not a matter of jingoism but rather a matter of > > > > > reusing what we already have instead of starting from scratch. > > What I was actually trying to ask was if ANSI rules allow such > participation? If you take ABNT (which is the brazillian equivalent) as > an example, people from around the world are free to follow its > standards (supposing they can read Portuguese ;-) but I am pretty sure > only individuals and companies from Brazil would get to vote on these > same standards. Ah, sorry :-/ My understanding is that, yes, non US resident people may be formal voting members of the project. There are some situations where non-resident members are not allowed on ANSI projects, but the information I have is that the Smalltalk project should be OK for anyone. We will know for sure when we submit the project application to INCITS. All the best, Bruce -- Make the most of your skills - with OpenSkills http://www.openskills.org/

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[JOB]: Squeaking in Kathmandu
by stephane ducasse 15 Nov '07

15 Nov '07

By the way! Squeakers may get a kick to see the job advertisment that we're currently running in Kathmandu to bring our full-time Nepali Squeak-programmer staff up from two people to four (plus me): Job description: Develop children's learning activities for the One Laptop Per Child XO using Squeak Smalltalk and Etoys. Skills: * Experience with an object-oriented programming language such as Smalltalk, Python, or Ruby. * Demonstrated ability to write good software quickly. * Self-motivated, eager to learn new technologies, experienced at working in a team environment. Preferred: * Experience with Linux and working on open-source projects. * Interest in education. You will quickly learn Squeak Smalltalk programming and Etoys end-user scripting on the job. You can get a sense of what this is like from reading our blog and running our demonstration. luke(a)member.fsf.org

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SMTPClient bug
by Richard Eng 14 Nov '07

14 Nov '07

Apparently, no one uses SMTPClient because there is a bug that has lingered for ages. Using it raises the following Squeak error message: TelnetProtocolError: 501 malformed auth input (#5.5.4) Here's my test Squeak method: mailTo: userAddress subject: subject text: text | client | client := SMTPClient openOnHostNamed: 'host_mail_server' port: 25. client user: 'my_user_id'; password: 'my_password'; login; initiateSession. client mailFrom: 'my_email_address'; recipient: userAddress; data: text. client quit. I managed to find a fix. In the #encodeString: method of the #SMTPClient in the Network-Protocols package, amend the last statement to read: ^ str truncateTo: (str size - 2) Perhaps it will be fixed in the next Squeak release? It's probably very low priority as I seem to be the only person who cares about it. Regards, Richard

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Re: ANSI Smalltalk
by Paolo Bonzini 14 Nov '07

14 Nov '07

stéphane ducasse wrote: > who wants to sponsor me? > I'm sorry but I do not have 1200 USD to be able to participate. Since other people may seek sponsorship, and this message is going to a lot of lists, it makes more sense to put these request on a single place. Therefore, I added you to the ANSI Smalltalk wiki at http://smalltalk.gnu.org/wiki/ansi-people and mentioned that you are looking for sponsorship (as I am :-> for that matter). Anyway, you only need to pay in order to vote. The process will be public, details will be discussed on the ANSI Smalltalk mailing list (so this is my last spam-esque message). Paolo

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