January 2020 - Pharo-users - lists.pharo.org

[ANN] Embedding Image Example (Win)
by tesonep＠gmail.com Jan. 13, 2020

Jan. 13, 2020

Hi, I have produced an example of using the headless VM to have an embedded image in Windows. The example is hosted in Github (https://github.com/tesonep/pharo-vm-embedded-example) The example is a CMake project to generate a new small executable that uses the VM as a library. Also, it shows how to perform the branding of applications (I have used the same Pharo icon, but we can use anything else). In the example, I am opening one of the SDL2 examples, it opens a window where we can draw in an Athens Canvas. It requires a Cygwin environment, but if you are able to build the headless VM you already have it!. I will do other examples of the use case we are thinking for the headless VM! Cheers, Pablo -- Pablo Tesone. tesonep(a)gmail.com

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Why Smalltalk is so easy to evangelize
by Richard Kenneth Eng Jan. 13, 2020

Jan. 13, 2020

https://itnext.io/why-smalltalk-is-so-easy-to-evangelize-2b88b4d4605c

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TechTalks: Dates + Call
by Marcus Denker Jan. 10, 2020

Jan. 10, 2020

Hi, Here are dates for the Pharo TechTalks first half of 2020: January 23: https://association.pharo.org/event-3697009 Thursday 20 https://association.pharo.org/event-3697011 March 19 https://association.pharo.org/event-3697012 April 23 https://association.pharo.org/event-3697013 May 28 https://association.pharo.org/event-3697016 June 18 https://association.pharo.org/event-3697017 We need topics! If you want to take over one of these talks to show your project (or something that you find interesting) â> send me a mail. The date/time can be changed as needed, too. Archive of past techtalks: https://pharo.org/TechTalk

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Re: [Pharo-users] is this better regarding naming thigs
by Richard O'Keefe Jan. 8, 2020

Jan. 8, 2020

What is the receiver? There are two and only two relevant objects: the word and the collection. aCollection selectAnagramsOf: aString aString anagramsIn: aCollection would be good names. In a language that did not let you extend system classes, anagrams(of: aString, in: aCollection) would be good, but Smalltalk is not such a language. 'findAnagramsCandidates:subject:' is intention-revealing, but is not good English. Well, maybe the intentions could be revealed a bit better. What is the subject of an anagram? No idea. What is an 'anagramsCandidate'? No idea. What is the difference between an 'anagram' and an 'anagramCandidate'? <whatever> anagramsOf: aString in: aCollection <whatever> selectFrom: aCollection anagramsOf: aString On Mon, 6 Jan 2020 at 03:07, Roelof Wobben via Pharo-users <pharo-users(a)lists.pharo.org> wrote: > > Hello > > In a earlier question I get a remark to think better about naming things. > Now I did a challene where I have to find anagrams of a given word in a > collection, > > So I did this : > > findAnagramsCandidates: aCollection subject: aWord > | charBag | > charBag := aWord asLowercase asBag. > ^ aCollection > reject: > [ :word | (word sameAs: aWord) or: [ word asLowercase asBag > ~= charBag ] ] > > > is my naming here better or can i improved and if so how ? > > Regards, > > Roelof > >

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JOB: Smalltalkers in Barcelona
by Esteban Lorenzano Jan. 8, 2020

Jan. 8, 2020

Hello Pharoers Please distribute aroundâ¦. Lifeware is looking for smart people and Smalltalkers for positions at Barcelona. If you are interested please contact Massimo Arnoldi <massimo.arnoldi(a)lifeware.ch <mailto:massimo.arnoldi@lifeware.ch>> Esteban

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[ANN] XMLParserHTML moved to GitHub
by Torsten Bergmann Jan. 8, 2020

Jan. 8, 2020

Hi, the STHub -> PharoExtras project "XMLParserHTML" was now moved from http://smalltalkhub.com/#!/~PharoExtras/XMLParserHTML to https://github.com/pharo-contributions/XML-XMLParserHTML including the FULL HISTORY The old STHub repo was marked as obsolete - but is linking to the new one. I've also setup an CI job: https://travis-ci.org/pharo-contributions/XML-XMLParserHTML which is green for Pharo 7. Some cleanups, class comments and docu was applied as you can see from commit history. The new version is tagged in git as version 1.6.0 (with a moveable tag 1.6.x in case further hotfixes are required). You can load using Metacello new baseline: 'XMLParserHTML'; repository: 'github://pharo-contributions/XML-XMLParserHTML/src'; load. or from catalog in Pharo 7 or 8. Attached is current dependency graph. More to come soon ... Bye T.

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How can we celebrate the 50th anniversary of Smalltalk?
by Richard Kenneth Eng Jan. 7, 2020

Jan. 7, 2020

https://medium.com/@richardeng/how-can-we-celebrate-the-50th-anniversary-of…

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[ANN] Phoedown - Markdown to HTML
by Pierce Ng Jan. 7, 2020

Jan. 7, 2020

Hi all, I've published Phoedown, an FFI to hoedown, the standards compliant, fast, secure Markdown processing library written in C. - https://github.com/PierceNg/Phoedown - https://github.com/hoedown/hoedown A simple example: | md | md := (FileSystem memory / 'somefile.md') writeStreamDo: [ :ws | ws nextPutAll: ' ```smalltalk Transcript show: ''Happy New Year!''; cr ``` ' ]; contents. HdHtmlRenderer new setMarkdownExtension: HdMarkdownExtensions FencedCode; setMarkdownExtension: HdMarkdownExtensions NoIntraEmphasis; render: md This is the output: <pre><code class="language-smalltalk">Transcript show: 'Happy New Year!'; cr </code></pre> Pierce

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Code overview - or maybe not
by Kasper Osterbye Jan. 7, 2020

Jan. 7, 2020

In an other thread Steve Davies mentions that Pharo can be a bit overwhelming. Indeed I have had the same feeling. I was struggling for weeks (not every day, but still) to find out how to change the system to be able to give background color to text. As part of my attempt at understanding the code, I ended up looking at Rubric and its Text morphs. I have been working at building a little tool which can help me get an overview of the objects and how the are connected. Not a static code analysis, but a snapshot view. What I did was I took a root object, and made the transitive object closure from that object, with the following restrictions: - Only Rubric, Morphic and Collections are examined, though Strings are excluded - Only instance variables which has a selector of the same name are included - The same object only appear once in the diagram, but more than one instance of a class can be present (at different places). I build on a tool named PlantUML. When I bring up the morphic halo on a playground and select "inspect morph", and then draw the diagram for that morph, I get this diagram <https://www.plantuml.com/plantuml/svg/ZLfFZzks4h_lfp1oUdieG54aHVNmq6IJea4RTD4jyCvQMzdLYsmPifncltr7iZYS6L7hFHamvpSav_yCzSjfgFhXl6zlRePcQEjDjVdh_FYmxRkshNT_rp-6Brr_VFvFMPQkB4gjRczkkiV_rzjXymu8Hu8_caFzRbETDl2_YgiJxjEFeJwSckuG26pkjRVAkaZuULyzrHDr8CfANIXTQCBjOL-rxUTTVO1JldnijWFmhFeNH3YTErFc1F6-xwkuNkIPCzOOTlhxgg-U-YfkN7ezxgpygvSioB6wVgXtTwEmfYC54cTrcIdA9oqEu-6MPUdvkO2ihnxgcUV7UjlrrT3rU1cL5IhF2otPDzjFtq52lrM7NLiZUPvRwtFZ_MiYBvGj2bLOlIP02n8i7HVCmtDt7Xw65zXiSSZ2gp8hbL4CyNxNzOSzdF5ZSpgsrKiyfSkpJ9VAYnr6jGzL--tJhY7CTUwjpfoY1d84yb-Rm-wl6XXlwuUw_zviKMSQZACq9jUC_TqpMC1sgFiFRRVzXWBBR6P052fz572EvZWqXwSltIxQXFMbjKpZJ7wkp7AjnUtk-sOFHeoQPXh9jNCP75fViw7IUsrqLhYhlcUiTuxf-4FNx-g-th6TdIjDgHX3RWjWJUF9hbktjc1NeAWt-x4VUSC9kPf6vOEyt_TrXPS66bCo2n0E3oSqnfbhPzJEP8Mn2p6dVQai2rTgLrnLIcvL3YQNhVgJCOK7dypVB1fjGU9PvkqYDbryOxDjgzCfXj2iB6Yu-tmurSD5tQXdOvJsJikWlH96HlVtXI8y7vhziQq5Ks_17Dz0G-xnTryTJb-xVl-_PdZ-etg1gC9T8IyLE8-vQd3WCva2DnUUEsMp3nNkR_8yywQWqIpf20QIbJ9BRQS5117CGc2wQd7UALU2s2LXcglFbGTDqi2Ii0qu9fXnocaUXch0A6L1FCxAT7DtxdlOU4nn8AH59BTPNkQ5k-vAESZAAUFLma8l6hYlOWw5U0WUuWkzeBthziVkL9DORyinVRybSfUb0grcYyIO28KcSw2hg_NAI6Co5iBIX4v1ndEiPk4E3oBaYPwP6cZ6-epLHQyPXGUTA1QqKdPU571opvBUdnSpNrOi6hQ7KAYjD8qJAJp03g7EkYfTIFsk04DpL_mBYgJIvdejP-eCXAQqMHFfMAkz8d1OXg11DRSiA6JGr4hRjsShS2KrnkGrfMOsLndtz7ISKTvOiF3LYrfWevay-Rg3h6cKusxzvx4-G02uQxiJ_7oissRV38bApKBjx8j5RITRWEXZSoVmjeIf8C6wmbyJ0TIqKCDxLY6nEqB5aOqzmQgsBRYGfo9QDVMYo0jhYwlnp07BqIMkrpaEQcSk_qiMk--xOzqFJOqc1YMB6sjn8hrNKZwKn4gfh7opHHe3BGml4fBYXcgqrBbwOsOhNGvk3qvzJH15viUOCv5X4xTvbxtR_FJJVxcbCugVDzdjflldKFVJ_w5P2wZOd7IaHwDyOpd8A2Q-0rZmM3eAi4Pmp302h6ytspaRtNIngGkusB9qf9DZrqLrC8hBTOVdkey6SjFHneuoYVx9IIOk1xZS3HKHsnxh5qOXf3rtTd6xa8aIYqn_sEAnqsArm2ZOOL5m51XhDqOn0UjWQ08TTHYZaa1hSbLi6rTD9r8iJ8U0YUcWXmemRBkhlrRdTlYzVjbNnoE4uC-7NVr3iCeZA-nG1QlyTlDrqTUEHDYdqkieleBN6AkxIIMXKLsLGQHOo21qiKaSDgoKSomh6CN4-Vje-TkBwHEmJX-BWZK_5W57USOoMu1pOKy4RQvlROWzOUVDP8aHdb5CDsv5LX1CuirZPI6Ow6JW83oY0EPEJ320spzE6M6QsuohE1QWjvXRDBOyNM4T74yV9qu23wUlINwPJ2eC6-Zk8O-mzKGaYDYuUIow19f60fnCq5tZy85Hh4LhD14cD-nh6CN4uuHTa83hT12WSBqM10YRgFeuZH9iHjk_z8NZy4hWe_N7mOt06w41WhOhoPYWxUtcgHw-r8VpVTSssnV1mKKTXaP3C72GaAUEH22BY9nBU04iBlVk-hkntXTe7-M6Gqk1zxUROnWM2tH9p3wCAGIwf363M8qYEJuqvj9i56fiwkGb2n9fSIOgMMJXyX9Cx6vkfIGKpEvqVjoFnTwbGWbZDRHtd1LsP9QsY2I6BwSY2G6JE1XcAWAU22GuSKjl7fTJcnCmhId2i4_W4xlFypPMVOMEXInVui3vSMexvymNh4Q4aSkuc144TDG70STpnqS5WTOoyqLqdevW59tJ-1acQFJG-4R029Q79c1DFI2MdHIjHzTxciU_0XvFZQC4WOP3dzfcjpYrIT-NGY7MxI58jW9fIP8E_Q50MY5dhCEPjF19Yb6an8Leuh0ujXPegME29la11qC2JNMC1HIlvy8Kcb6ivKZ2GoUSaZBGozeY14NM9k3Z3AEO3h2l-c_JF52WgKk70Q50ZrRMDOSX1OzoYrDx0H_pwlxuN9sQqs_GR4_BeH5YIezFTuo4jqV18jczQNA95AImcEkf2DPfVLCmNFlxPTBpM4auQKrmlYJWkJ1LWYQbD6lD29gMqWGP7IpEwGKI7EnvxTYnYeXZ6G5tmaTm0C1KHNKTAIvLgD0rOK25Fe-P11vata8pTgb2WZqkMhYuicZXS7ZDYbSS2JEAot5bgWn3xPLKYSl9L1d1fEB7no61JrNyOLAUxZVYScft0ewxnpSIWKybwdaEdsmNv28Re626ul4mZ6OPnJAA4pGvE0xA1Lf6SOBEq-v1qJIAe-ipsmwF4OnWUMW2NccmA7gHgGaydZgE7WMSfMe2NKdL54fJDK76I1BVUmHIfkhGUR2H5dwpGWcMxMZ4hemm29OsesW5QNUCooc7862oAmvi1JxX4A5oOflZOnObMDuuOlMALKOi6yHTsWqo-fi_TLYkqLOGdtII1h5SfVFPkJ5alZk_cfBLwOfJSNxVTIt34GUOtzOPRkgKeFBPXWOJWIIFueCMW-Qo9K0Fu_LY-AA1KIoTbg19WCPtJ86MaOQWL-f5YcOzGPWDirFZkmoZI5Iv4KrEZLzH2FIYoetebVX8qVJK6C19YHPUecZfawp3S3JF1e3u4HcZO2KUraJhioEaICsE8fmuFNu79E1IM0HDIbjyBXLeMUCHD8dCuNit0OR0t9yXq8JdZLcohB35hmOuIIA-4lnAuyZmRE0tD-E9EH6QA5cRFp_iOXM7hZ3L6A7pOth7fqv6aQp0i3Hble8VCJAAjTuAtnuGZzzbqJJBCXb-0SOebg8cw9KkWgAfeEVHBRDh_Cw8h2zosSqlzM4tVeZwBm00> . Strangely, I find it useful. I use it as a supplement to the inspector. I hope to be able to pack this tool, and a companion one for generating sequence diagrams based on the execution of a block given as parameter. I see these tools as exploratory tools, not as documentation tools. Best, Kasper,

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Re: [Pharo-users] is this better regarding naming thigs
by xap Jan. 7, 2020

Jan. 7, 2020

hi, I'm just starting out w/ pharo and have a question re your code; specifically, in reject: [ :word | (word sameAs: aWord) or: [ word asLowercase asBag ~= charBag ] ] is that inner block needed? would it be less smalltalk-esque to write, say: reject: [ :w | (w = aWord) or: (w asLowercase asBag ~= charBag) ] thx! separately recently I watched an alan kay interview in which he says an oo program is typically much smaller than its imperative counterpart and i wondered why. Well, it seems that reduction comes from the language/system providing a zillion methods -- asBag, here -- one would otherwise need to implement, oneself :) -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

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