Squeak-dev February 2015

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45 participants
152 discussions

The Trunk: Kernel-bf.899.mcz
by commits＠source.squeak.org 10 Feb '15

10 Feb '15

Bert Freudenberg uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-bf.899.mcz ==================== Summary ==================== Name: Kernel-bf.899 Author: bf Time: 10 February 2015, 4:37:05.988 pm UUID: 1cc7d0c6-0a3d-457f-9609-fa508d11310e Ancestors: Kernel-eem.898 Fix random for Really Large Integers. =============== Diff against Kernel-eem.898 =============== Item was changed: ----- Method: Random>>nextInt: (in category 'accessing') ----- nextInt: anInteger " Answer a random integer in the interval [1, anInteger]. anInteger should be less than 16r80000000. " anInteger strictlyPositive ifFalse: [ self error: 'Range must be positive' ]. + "avoid Float arithmetic in #next to work with LargeInts" + ^ ((seed := self nextValue) asInteger * anInteger // M asInteger) + 1! - ^ (self next * anInteger) truncated + 1!

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Re: Error when saving class comments
by Fabian Windheuser 10 Feb '15

10 Feb '15

Hey All, The "self flush" at the end of "WriteStream>>nextChunkPut:aString" fixed the problem for me. It works as intended now. Thank you very much! On a side note for Eliot: The changes file has sufficient permissions and all changes besides class comments can be saved without a problem. Greetings, Fabian ---- On Mon, 09 Feb 2015 17:59:29 -0500 gettimothy <gettimothy(a)zoho.com> wrote ---- >This is could be the WriteStream>>nextChunkPut:aString "bug" > >At the end of that method, put a > >self flush. > >I just tested on a fresh Squeak4.6 image and that fix fixed the error for me. > >cheers. ---- On Mon, 09 Feb 2015 09:55:06 -0500 Eliot Miranda & lt;eliot.miranda(a)gmail.com> wrote ---- Hi Fabian, what are the permissions on the changes file? What happens when you save a method? Eliot (phone) On Feb 9, 2015, at 5:41 AM, Fabian Windheuser & lt;fabian.windheuser(a)student.hpi.de> wrote: > Hello, > Whenever I try to modify and save a class comment I get the following error: > "Error: RemoteString past end of file" (see the attachment for the error trace). > > My changes are not getting saved and the file seems to get corrupted. I am no longer able to reopen this class comment because it always throws the same error. > I tried restarting my image and using new unmodified .image and .changes files however the error still occurred. > > I am running Squeak 4.5 with update number #13702 on a 64bit Arch Linux distribution. > > Best regards, > Fabian > > > <Error_RemoteString.png> >

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Squeak Oversight Board 2015 Elections
by Ron Teitelbaum 10 Feb '15

10 Feb '15

Hi All, Well so far so good. Thank you all for stepping up to run. We have 7 candidates for 7 spots. We still have a week left for more candidates to step up. It would be great if more people would also run. Maybe now is the time for you to step out of the shadows, If you have been part of this community for a while. Do you have 2 X chromosomes? You are encouraged to run! Please talk to people you know and encourage them to run. There are some great people in this community that would be great on the board but need a gentle push. Candidates (order of announcement): 1. Casey Ransberger 2. Eliot Miranda 3. Tim Rowledge 4. Craig Latta 5. David T. Lewis 6. Chris Muller 7. Bert Freudenberg You have until Monday 16th of February 3PM (20.00 UTC). Thank you for your work on Squeak! All the best, Ron Teitelbaum > > Hi All, > > It's that time again. Time to raise your voices and elect your leaders! > It's a time for you to stand up, help your community and volunteer to > serve! > Squeak wants you! > > Every year we elect the SOB (Squeak Oversight Board) consisting of > seven members from our community. The current board members are: > > In alphabetical order (by first name): > > Bert Freudenberg > Chris Muller > Craig Latta > David T. Lewis > Eliot Miranda > Frank Shearar > Tim Rowledge > > For more info on the board please see: > https://squeakboard.wordpress.com/our-mission/ > > Everything about the election, including schedule and more, can be > > tracked here: > > http://wiki.squeak.org/squeak/6200 > > > Now until Monday 16th of February 3PM (20.00 UTC): Nominations of SOB > members and campaigning! > > Candidates should nominate themselves and start their campaign on the > squeak-dev mailing list. Or if you nominate someone else, make sure > that person really wants to run. :) I will not put anyone on the > candidate list until that person makes it known on squeak-dev that > he/she intends to run. > > During this period, the candidates should ideally present themselves > on squeak-dev, unless they have already done so, and the community can > ask questions. > > I encourage you to reach out to potential candidates, people that are active > in the community and represent your views, and ask them to run. Some > people will not run without encouragement. Also I know that some > people wait to the last minute to run for the board to see if others > will run but please consider getting this year off to a faster start > and just jump right in! > > *** Now until Monday 16th of February 3PM (20.00 UTC): Nominations of > SOB members and campaigning! > *** Monday 16th of February 2015 3PM (20.00 UTC): Candidate list is > finalized. > *** Monday 16th of February 2015 4PM (21.00 UTC): Online election > starts. > *** Tuesday 24th of February 2015 6PM (23.00 UTC): Online election ends. > *** Results will be announced immediately when the election ends. > > The voting period is one week long and ballots are sent out via email. > > And how do you end up on the voter list? See below. :) > > IMPORTANT: New voters will NOT be added once the election is started. > You > MUST try to get on the voter list before the 16th of February 2014 or > you will NOT be able to vote. If your Email has changed please make > sure it is > changed on the list of voters before the election starts. > > -------------------------- > > If you were invited to vote last year you are already on the voter > list, no > worries! If you are a new Squeaker and wish to vote do ONE of the > following: > > * Get a "known" Squeaker to vouch for you. If a known Squeaker > sends an email to voters (at) squeak.org giving me name and email for > you, then I > will add you. > * Send an email to voters at squeak.org yourself (and CC to squeak-dev > if you like) with information/arguments showing me that you are indeed > serious about voting and that you are indeed a Squeaker. > > When the voting period starts all voters will receive an email with > instructions and a link to the voting website. > > If there are any further questions, just reply *in this thread* and I > will closely track it - or send email to voters (at) squeak.org which > points to me. > > ...so let's get on with it! > > All the best, > > Ron Teitelbaum > > > > > >

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For Pete's Sake
by Casey Ransberger 10 Feb '15

10 Feb '15

Can we have two more people run? I really don't relish the idea of winning by default. Please. Run. Quickly. --C

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v4linux & CameraPlugin
by tim Rowledge 09 Feb '15

09 Feb '15

Is there anyone out there that actually feels they understand v4linux and how it is supposed to work with the CameraPlugin? At the moment, on a Pi, it works *once* but only once per run of squeak. The error message is libv4l2: error setting pixformat: Device or resource busy which seems to be a very common problem if you do a quick google. The problem is that it appears to have been common for a lot of people for a long time and many of the purported fixes make no sense to me at all. It doesn’t help that the code in the CameraPlugin/sqCamera-linux.c file doesn’t appear to fit in my head either. Mind you, it does at least have the colours correct now; last time I managed to try it out (and I can’t recall whether it worked more than once back then, unfortunately) the RGB was more BGR. tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim On a clear disk you can seek forever...

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How to update trunk46-spur.image?
by Bernhard Pieber 07 Feb '15

07 Feb '15

Dear Squeakers, I want to have a look at the latest Spur trunk image and run into some issues updating. I am on OS X Yosemite 10.10.2. Here are the steps I do: 1. I create an empty folder. 2. Into this I download and unzip the latest CogSpur VM: http://www.mirandabanda.org/files/Cog/VM/VM.r3248/CogSpur.app-15.05.3248.tgz 3. I download and unzip the latest SqueakV41.sources: ftp://ftp.squeak.org/4.5/SqueakV41.sources.zip 4. I download trunk46-spur.image and trunk46-spur.changes from http://www.mirandabanda.org/files/Cog/VM/SpurImages/ 5. I open the trunk46-spur.image with CogSpur.app. 6. I update Squeak using the drop-down menu. It starts updating and then opens a dialog box saying "No changes". 7. I click "OK". 8. It continues to update and opens a merge dialog: Merging Kernel.spur-nice.881 during processing update.spur-ul.295.mcm. Does anyone have the same problem? I am not sure what is the best/correct way to proceed. Any tips? Cheers, Bernhard

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How to get rid of instances of ExternalUnixOSProcess
by Herbert König 07 Feb '15

07 Feb '15

Hi, I start external OS processes via the class side method command: The returned instances correctly show runState #complete but the instances won't get garbage collected. Pointer Finder gets me ThisOSProvess allMyChildren. I start the external program every few seconds so the instances accumulate. So should I manually send unregisterChildProcess: or should I reuse one instance of ExternalUnixOSProcess via repeated forkChild to restart the program? Or something completely different? Thanks, Herbert

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||
by Eliot Miranda 07 Feb '15

07 Feb '15

Hi All, code as in the double bars forming the end of block arguments and the beginning of block temporaries in convertInstances | new old | old := Binding allInstances. new := old collect: [:ea | ClassBinding key: ea key value: ea value]. old elementsForwardIdentityTo: new. old := ReadOnlyVariableBinding allInstances. new := old collect: [:ea | ClassBinding key: ea key value: ea value]. old elementsForwardIdentityTo: new. Environment allInstancesDo: [:env | #('contents' 'bindings' 'public' 'undeclared') do: => [:var || dict | old := Array new writeStream. new := Array new writeStream. dict := env instVarNamed: var. dict associations do: [:binding | binding class == Association ifTrue: [old nextPut: binding. new nextPut: binding key => binding value]]. old contents elementsForwardIdentityTo: new contents]] is legal but highlighted as a syntax error by shout. What do you prefer, editing the source to | | or fixing Shout to accept the syntax? The right answer should be fixing shout but the fix will be ugly because || is a binary selector and so this will need to be special cased. -- best, Eliot

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The Trunk: Tests-eem.311.mcz
by commits＠source.squeak.org 07 Feb '15

07 Feb '15

Eliot Miranda uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-eem.311.mcz ==================== Summary ==================== Name: Tests-eem.311 Author: eem Time: 6 February 2015, 3:01:31.128 pm UUID: b80216c2-f80e-4e1a-aa1a-e87310d382bf Ancestors: Tests-eem.310 Eliminate an interactive prompt in the MCEnvironmentLoadTest =============== Diff against Tests-eem.310 =============== Item was changed: ----- Method: MCEnvironmentLoadTest>>testLoadIntoEnvironment (in category 'testing') ----- testLoadIntoEnvironment + [[MCPackageLoader installSnapshot: self mockSnapshot] + valueSupplyingAnswers: #(('The pool dictionary*does not exist*automatically created?' true))] + on: CurrentEnvironment + do: [:e | e resume: environment]. + self assert: (environment bindingOf: #MCMockClassA) notNil + description: 'Environment has no binding for MCMockClassA'.! - [MCPackageLoader installSnapshot: self mockSnapshot] on: CurrentEnvironment do: [:e | e resume: environment]. - self assert: (environment bindingOf: #MCMockClassA) notNil description: 'Environment has no binding for MCMockClassA'.!

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CFP - IWST 2015
by jannik laval 06 Feb '15

06 Feb '15

[Please accept our apologies if you receive multiple copies of this call] [Please send to interested colleagues / mailing-lists] ************************************************************************************************************ CALL FOR PAPERS IWST15 — International Workshop on Smalltalk Technologies Brescia, Italy; July 15, 2015 http://www.esug.org/wiki/pier/Conferences/2015/International-Workshop-IWST_… ************************************************************************************************************ ------------------- Goals and scopes ------------------- The goals of the workshop is to create a forum around advances or experience in Smalltalk and to trigger discussions and exchanges of ideas. The topics of your paper can be on all aspect of Smalltalk, theoretical as well as practical. Participants are invited to submit research articles or industrial papers. This year we want to open two different tracks: one research track and one industrial track with less scientific constraints. We expect papers of three kinds: Short position papers describing emerging ideas Long research papers with deeper description of experiments and of research results. Industrial papers with presentation of real and innovative Smalltalk applications; this kind of paper should enlighten why Smalltalk is really appropriate for your application. We will not enforce any length restriction. -------------------- Important Dates -------------------- Submission deadline: April 10th, 2015 Notification deadline: May 20th, 2015 Workshop : July 15th, 2015 All accepted papers will be published in ACM DL (To be confirmed) ------------------- Topics ------------------- We welcome contributions on all aspects, theoretical as well as practical, of Smalltalk related topics such as: -Aspect-oriented programming, -Design patterns, -Experience reports, -Frameworks, -Implementation, new dialects or languages implemented in Smalltalk, -Interaction with other languages, -Meta-programming and Meta-modeling, -Tools ------------------- Best Paper Award ------------------- To encourage the submission of high-quality papers, the IWST organizing committee is very proud to announce a Best Paper Award for this edition of IWST. We thank the Lam Research Corporation for its financial contribution which makes it possible for prizes for the three best papers: 1000 USD for first place, 600 USD for second place and 400 USD for third place. The ranking will be decided by the program committee during the review process. The awards will be given during the ESUG conference social event. The Best Paper Award will take place only with a minimum of six submissions. Notice also that to be illegible, a paper must be presented at the workshop by one of the author and that the presenting author must be registered at the ESUG conference. ------------------- Publication ------------------- Both submissions and final papers must be prepared using the ACM SIGPLAN 10 point format. Templates for Word and LaTeX are available at http://www.acm.org/sigs/sigplan/authorInformation.htm. This site also contains links to useful informations on how to write effective submissions. ------------------- Submission ------------------- All submissions must be sent via easychair: https://easychair.org/conferences/?conf=iwst2015 ------------------- Program chairs ------------------- Anne Etien (Université de Lille 1, France) Jannik Laval (Ecole des Mines de Douai, France) -- ~~Jannik Laval~~ École des Mines de Douai Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info http://car.mines-douai.fr/

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