- Pharo-users - lists.pharo.org

[Pharo Trick: #0001] - Simple TODO list
by Torsten Bergmann Dec. 12, 2013

Dec. 12, 2013

Hi, the mailinglist, stackoverflow and other Pharo related medias are typically used in the "here is a question to problem" followed by an "answer from community" style. But lets also think the other way around: if we already have a solution for a problem that others may have too or may have in the future we should share the answer/solution as well. I'm sure many of you have some tricks that make developing with Pharo much easier and others can profit from these tricks if we share them here on the list. Be it - a simple and useful script - a simple key combination other may not yet know of - a package one can use or how you use it - a link to a nice description on the web related on how to use Pharo - a custom tool that makes development easier - an algorithm or something that you think was solved very elegant - a way you solved a common problem easily in your app - ... Then just describe it in a few lines and post it. Also write in which Pharo version you tried it - this makes it easier for others to see in which version the trick/solution is known to work. The idea goes like this: if you have a trick to share then send a mail with subject "Pharo Trick: #xxxx] - Short Description" to the Pharo dev AND Pharo user list (see http://lists.pharo.org) Make sure to increase the trick counter xxxx. Using this special subject one can later easily get the tricks from the mailinglist archive. Also others can refer to the trick if it solves a common problem other may ask for on the list. Lets see if we are able to reach the goals of 100, 1000 or more Pharo tricks ;) Bye T. I will start with something easy but useful: ----------------------------------------------------------------------------------- [Pharo Trick: #0001] - Simple TODO ----------------------------------------------------------------------------------- Works in: Pharo3.0 Latest update: #30635 but should work in other versions too ----------------------------------------------------------------------------------- If you develop an app with Pharo you may not yet fully implement all features. Some kind of marker for future "ToDo's" is often needed. Using a pragma on a method is the easiest solution here: foo <todo: 'Add world later'> "That method is not yet fully implemented" Transcript show: 'Hello' Using a simple expression in the workspace you can browse all the TODOs for your project afterwards in a window: SystemNavigation default browseAllSendersOf: #todo: You can even query the system for the todo descriptions if you need the full list of things to work on: (PragmaCollector filter: [:prg | prg keyword = 'todo:']) reset; collect: [:each| each arguments first ] As the pragma keyword #todo: is very common and may be used by others too it may be wise to use a custom one like "myappplicationTodo:" or similar. -----------------------------------------------------------------------------------

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[Pharo Trick: #0006] - Run code from a button window
by Torsten Bergmann Dec. 12, 2013

Dec. 12, 2013

----------------------------------------------------------------------------------- [Pharo Trick: #0006] - Run code from a standalone button window ----------------------------------------------------------------------------------- Works in: Pharo 2.0, 3.0, ... ----------------------------------------------------------------------------------- In Pharo there is a class called ButtonModel - it is a model used for buttons when building UI's with the Spec framework. But it can be used also standalone to open a button window with an action block: |b| b := ButtonModel new. b openWithSpec; label: 'Run my code'; action: [ Transcript open ] So you just have to click to run some code.

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[Pharo Trick: #0005] - Pick up morphs that do not want to be picked up"
by Torsten Bergmann Dec. 12, 2013

Dec. 12, 2013

Post this trick to user list also as it was only on dev-list. Please send to both lists in the future: Gesendet:Â Donnerstag, 12. Dezember 2013 um 10:08 Uhr Von:Â "phil(a)highoctane.be" <phil(a)highoctane.be> An:Â "Discusses Development of Pharo" <pharo-dev(a)lists.pharo.org> Betreff:Â [Pharo-dev] [Pharo Trick: #0005] - Pick up morphs that do not want to be picked up" Usually one can deal with morphs by doing the alt-shift-click on them, so that we get the halos and do whatever. Â Now, some morphs do not want to let you do this (like the Pharo image on the desktop background) - or you just don't see them as they are leftovers from experiments. Â A shift click (on Windows) brings a "find window" popup where you can select what you want, no matter what. Try to pick the ImageMorph in there for the Pharo Logo. Â Phil Â Â Â

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[Pharo Trick: #0004] - Run code using a key command to speedup development
by Torsten Bergmann Dec. 12, 2013

Dec. 12, 2013

----------------------------------------------------------------------------------- [Pharo Trick: #0004] - Run code using a key command to speedup development ----------------------------------------------------------------------------------- Works in: Pharo3.0 Latest update: #30637 but should work in other 2.0/3.0 versions ----------------------------------------------------------------------------------- If you have to run some code very often you typically have to evaluate it from a workspace over and over again. But to speed up you can assign a global keymapping which allows to run it with a simple keyboard shortcut: World on: $a shift command do: [ Object browse ]. Evaluate this once in a workspace. After that anytime you press SHIFT, the command button (on Windows this is ALT) and A together the block gets evaluated and your code runs easily. Background: =========== In Pharo there is a global morph called "World" representing the desktop. One can assign a key combination to any morph including this world. If you are interested on the Keymappings then read http://playingwithobjects.wordpress.com/2013/03/19/keymappings-101-for-phar… for more

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Shrinking Pharo 3 image
by nacho Dec. 12, 2013

Dec. 12, 2013

Hi, I'm trying to unload some of the packages from Pharo 3 to come up with a reduced Pharo Image. I don't know if someone has already succeeded at getting a Pharo kernel image. Just the basic and really needed classes and packages. And then have the possibility to reload Athens, Zinc, Zodiac, ASM, etc, as needed. Simply unloading the packages from Monticello does not work, as it seems some of the packages are correlated, and I don't really know packages' dependencies. Any help would be much appreciated. Thanks in advance & best regards. Nacho ----- Nacho Smalltalker apprentice. Buenos Aires, Argentina. -- View this message in context: http://forum.world.st/Shrinking-Pharo-3-image-tp4729041.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

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InstallGemTools does not load
by Robert Pergl Dec. 11, 2013

Dec. 11, 2013

Hi guys, InstallGemTools loading fails both in Pharo 2.0 and 3.0. Is there some fix please? https://code.google.com/p/glassdb/wiki/InstallGemTools Thanks, with regards, Robert -- Ing. Robert Pergl, Ph.D. Assistant Professor Department of Software Engineering -- Centre for Conceptual Modelling http://ccm.fit.cvut.cz Czech Technical University in Prague, Faculty of Information Technology ThÃ¡kurova 9, 160 00 Praha 6, Czech Republic room: A1233 http://www.fit.cvut.cz/en e-mail: robert.pergl(a)fit.cvut.cz tel.: +420 777 042 249 -------------- The content of this e-mail and any attached files are confidential and may be legally privileged. It is intended solely for the addressee. Access to this e-mail by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. In this case be so kind and delete this e-mail and inform us about it.

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Metacello config with local file based repository
by Esteban A. Maringolo Dec. 10, 2013

Dec. 10, 2013

I'm defining my first Metacello config (ConfigurationOf...) but I wonder how should I declare a local file based repository. Ej: spec repository: '/home/emaringolo/development/monticello/'. or its window counterpart: spec repository: 'E:\users\emaringolo\development\monticello\'. Is that possible? Esteban A. Maringolo

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Using FFI
by Annick Fron Dec. 10, 2013

Dec. 10, 2013

Hi I want to launch a simple init with the following C signature : void gst_init (int *argc, char **argv[]) If I write <apicall: void 'gst_init' (int*, char**) module: 'blabla'> I get a Smalltalk syntax error Annick Fron

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(MimeConverter forEncoding: 'quoted-printable') subclass responsibility
by Sabine KnÃ¶fel Dec. 9, 2013

Dec. 9, 2013

Hi, I need this, too. http://forum.world.st/Issue-4782-Quoted-printable-encoding-incomplete-imple… The bug was closed after transferring it to fogbugs: https://pharo.fogbugz.com/f/cases/4825 Sebastian, may I ask you, how did you solve this? regards Sabine -- View this message in context: http://forum.world.st/MimeConverter-forEncoding-quoted-printable-subclass-r… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

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Loading Cog fails under Windows
by HernÃ¡n Morales Durand Dec. 7, 2013

Dec. 7, 2013

When I try to install Cog (GuillermoPolito.127) from the Configuration Browser in a clean Pharo 2.0 (Windows 7 x64), fails with the following message: "The symbolic version #stable is not defined in ConfigurationOfCog for the current platform." I download the image + vm with the following command: $ wget -O- get.pharo.org/20+vm | bash Any workaround? HernÃ¡n

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