March 2016 - Pharo-users - lists.pharo.org

[ANN] GNU Dr. Geo 16.03
by Hilaire March 21, 2016

March 21, 2016

I am please to announce[1] release 16.03 of Dr. Geo, ready to download[2]. Main changes are (details in the change log[3]): - Bugs fix, mainly in the Smalltalk programming interface and related - New features - New translations "Dr. Geo, a software to design & manipulate interactive geometric sketches. It helps kids to explore geometry. Distributed with its source code it is modify-me-ready." Happy hacking with Dr. Geo! Hilaire [1] http://forum.drgeo.eu/Dr-Geo-16-03c-td4024903.html [2] http://drgeo.eu/download [3] http://drgeo.eu/changelog -- Dr. Geo http://drgeo.eu

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DeprecationAssistant
by Yuriy Tymchuk March 21, 2016

March 21, 2016

HI everyone, last week Iâve created a little tool that automates deprecation resolution. The goal is to provide a help based on the existing code (no need for extra actions). You can read more here: http://blog.yuriy.tymch.uk/2016/03/deprecationassistant-aiding-developers.h… <http://blog.yuriy.tymch.uk/2016/03/deprecationassistant-aiding-developers.h…> You can install and try it out with: Metacello new repository: 'github://Uko/DeprecationAssistant'; baseline: 'DeprecationAssistant'; load This will add additional actions to the debugger once you will get a deprecation warning. Have fun! Cheers. Uko

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Seaside 3.1 and 3.2 in Pharo 5
by Torsten Bergmann March 20, 2016

March 20, 2016

Issues I've found directly: 1. Seaside still uses #subStrings: instead of substrings: on several places. #subStrings: is deprecated since April 2015. 2. The Seaside control panel icon in menu is not displayed => the icon expression in WAPharoServerAdapterSpecBrowser(class)>>menuCommandOn: returns a blank icon because it is not found Changing to: menuCommandOn: aBuilder <worldMenu> (aBuilder item: #ServerAdapterBrowser) order: 0.21; parent: #Tools; label: 'Seaside Control Panel'; icon: (Smalltalk ui icons seasideAdaptorRunningIcon); action: [ WAPharoServerAdapterSpecBrowser open ] will fix that. 3. Running/stopped icons in Server adopter are not shown in Pharo 5. Change to iconForAdaptor: anAdaptor ^ anAdaptor isRunning ifTrue:[Smalltalk ui icons seasideAdaptorRunningIcon] ifFalse:[Smalltalk ui icons seasideAdaptorStoppedIcon ] to make it work.

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3 new Pharo videos
by Torsten Bergmann March 20, 2016

March 20, 2016

I provided 3 new videos about my tools/goodies on YouTube: Pharo OS-Linux-Ubuntu https://www.youtube.com/watch?v=1X42GFbW4hg Pharo Hubcap https://www.youtube.com/watch?v=2Kwr8bkSI7M Pharo Pomodoro https://www.youtube.com/watch?v=w00IBi9iM2Y

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Re: [Pharo-users] Image Cleaner no longer useful?
by Stephan Eggermont March 20, 2016

March 20, 2016

Hello Maximiliano On 20-03-16 13:29, Maximiliano Tabacman via Pharo-users wrote: > With the latest Image (50651) and VM, the issue remains the same. As Marcus wrote, that is a well-known problem. At the moment, there is one higher priority issue on the image side, and it might well be related. Furthermore, it might be related to the vm switch to spur, and stabilizing that is higher priority and currently takes a lot of effort, as you can see on pharoproject.slack.com, pharo-dev and vm-dev Stephan

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Re: [Pharo-users] Image Cleaner no longer useful?
by Maximiliano Tabacman March 20, 2016

March 20, 2016

With the latest Image (50651) and VM, the issue remains the same. The most critical part for me is the fact that cleaning the image (at least using ImageCleaner) does not reduce its size.I have a commercial product with users already using it, who obtain the product by downloading. This issue causes my product to be at least double the size in total because of the image not being reduced, and sometimes more. I have no idea how to help solve this issue, but if it remains once Pharo 5 is released next month, that means I won't be able to use it for my product, and I would be stuck with older versions where the cleaning process worked better. Should I be addressing this issue in another list? Maybe vote up how critical it is in some pending bugs list somewhere? Don't get me wrong, I love Pharo and all the community work being done. I love the fact that I can get a humble commercial product out to the users.I just think maybe other products are more server based and not affected by this issue, but for anyone creating products with Pharo that are to be downloaded by the customers it should be top priority. Thanks for Pharo, and thanks for any help or guidance you may be able to provide on this matter. On Sunday, February 7, 2016 1:10 PM, Maximiliano Tabacman via Pharo-users <pharo-users(a)lists.pharo.org> wrote: I've got some additional details. Using the old VM at:Â http://files.pharo.org/vm/pharo/win/Pharo-VM-win-stable.zip I downloaded a fresh 50491 image at:http://files.pharo.org/image/50-preSpur/50491.zip Opened a playground and executedImageCleaner cleanUpForProduction This was really fast, and in 2 minutes the process was complete. Then I downloaded the 50492 image at:http://files.pharo.org/image/50-preSpur/50492.zip Did the sameÂ ImageCleaner cleanUpForProduction,Â only this time is took about half an hour to do the same. Hope that helps to catch the reason.Thanks On Friday, February 5, 2016 9:33 AM, Maximiliano Tabacman via Pharo-users <pharo-users(a)lists.pharo.org> wrote: Thanks for the reply Marcus.I just checked, and can confirm that the old process took only 2 minutes and converted aÂ 58,2 MB image (includes Seaside and my web product) into aÂ 26,4 MB production image. By looking at PharoDebug.log, I can tell that this version is: VM: Win32 - IX86 - 6.1 - NBCoInterpreter NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: e0df6e2d-5694-40e2-8035-dc217200b424 Sep 25 2014NBCogit NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: e0df6e2d-5694-40e2-8035-dc217200b424 Sep 25 2014https://github.com/pharo-project/pharo-vm.git Commit: 81b5d19917dcb78f22482a780deec48c53738396 Date: 2014-09-20 14:36:18 +0200 By: Esteban Lorenzano <estebanlm(a)gmail.com> Jenkins build #14858Image: Pharo5.0 [Latest update: #50491] Hope that helps. This is Pharo 5, so the Image Cleaner must have broken at some point after this version. Let me know if there is any additional information I can provide to help figure it out. On Thursday, February 4, 2016 12:22 PM, Marcus Denker <marcus.denker(a)inria.fr> wrote: Hello, Sorry for the late answer. I think there are multiple problemsâ¦ 1) slowness. This is strange that unloading packages is so slow. This looks like a bug to me. 2) image size in Pharo5: We have a bug right now that images *never* shrink. This means that if you savean image once with 80MB, even if the GC cleans up, the saved image stays 80MB. We should fix bothâ¦. On 25 Jan 2016, at 13:32, Maximiliano Tabacman via Pharo-users <pharo-users(a)lists.pharo.org> wrote: From: Maximiliano Tabacman <mtabacman(a)yahoo.com> Subject: Image Cleaner no longer useful? Date: 25 January 2016 at 13:31:28 GMT+1 To: "pharo-users(a)lists.pharo.org" <pharo-users(a)lists.pharo.org> Reply-To: Maximiliano Tabacman <mtabacman(a)yahoo.com> Hi, and sorry if this has already been discussed. In Pharo 3, I used to be able to do: ImageCleaner cleanUpForProduction and that would correctly remove a lot of unneeded code in the image when preparing for a productive release.Then I would save the cleaned image, and since it had been cleaned, it would be smaller than the original development image (say from 60 mb to 25 mb).This process would take about 2-3 minutes. Then, in Pharo 4 it seems some changes were made here, since the same process took a lot more, like 20 minutes. When I first tried Pharo 5, I was happy to see that it was again down to 2-3 minutes. And here comes my question...Why is it that since some 2 months ago (maybe more), the Pharo 5 images once again require like 20 minutes to complete the cleanUpForProduction process? Also, and this is the most relevant to me, it no longer reduces the image size.So if I want to release a Pharo 5 version based on the latest images, I would be shipping a product that is more than twice the size of previous public versions of my software! Thanks for any insights into this. If it is a known bug, I would like to know if there is any workaround, or alternative objects that I should be using for the process.Also, if it would help for me to run any tests in particular to share and help in fixing this, please let me know.

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extracting segments in an array
by stepharo March 20, 2016

March 20, 2016

Hi I have an array and I would like to extract a segment of elements and I did not find array from: start to: end Did I miss something obvious? Stef

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Use Shell Command from Pharo
by Guillaume Ongenae March 19, 2016

March 19, 2016

Hello, I would like to use execute shell command from Pharo. I found OSProcess to do that but it doesn't work. Thanks. -- [image: --] Guillaume Ongenae [image: https://]about.me/guillaume.ongenae <https://about.me/guillaume.ongenae?promo=email_sig&utm_source=email_sig&utm…>

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[Pillar] Font-size on DeckJS
by Yann Dubois March 19, 2016

March 19, 2016

Hello world, I work today on a problem when we generate a presentation with DeckJS, the font size is very small on projection. I've find an issue for this, and you need to create a template with all deckJS dependancies, and an other css file to change some rules. To change the font-size of a body slide (not title or subtitle), you need to rewrite this rules like this : .deck-slide-scaler p { font-size: 64px } The scaling always works, and you don't need to touch the deckjs files.

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Re: [Pharo-users] [Pillar] Logo for Pillar
by Yann Dubois March 18, 2016

March 18, 2016

I'm existing about this logo, it's a very nice logo.

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