February 2021 - Pharo-users

Strings in Playground are read only in Pharo 9
by Markus Wedel March 1, 2021

March 1, 2021

Hi all, strings in Playground are read only in Pharo 9.0 Build 1153 so that 'hello' at: 2 put: $a; yourself ctrl+p This throws an error: âModification forbidden: âhelloâ is read-only, hence its field cannot be modified with $a which is actually a very nice error message but is this supposed to happen? The example does work in Pharo 8 without problems. Greetings Markus

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[ANN] Next Pharo Sprint: Feb 26
by Marcus Denker Feb. 24, 2021

Feb. 24, 2021

We will organize a Pharo sprint Feb 26 (this Friday) Goals of this sprint: - Fix issues from tracker https://github.com/pharo-project/pharo/issues This is a Remote Sprint, it happens on Discord. http://pharo.org/contribute-events We have added a Board to coordinate the work: https://github.com/orgs/pharo-project/projects/9

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StackVM for M1 ready
by StÃ©phane Ducasse Feb. 18, 2021

Feb. 18, 2021

Hello happy Pharoers Today we could access our building where the M1 machine is and Pablo packaged it so that you can test the first version. Pablo wrote a little blog post for you. https://thepharo.dev/2021/02/16/first-apple-m1-pharo-version/ Let us since we do not have the M1 at hand and waiting to be able to make it accessible from our build farmâ¦ but we are not responsible for it and we were waitingâ¦. But the crew was fixing other VM glitches. So we will be ready soon to focus on the Jit version. S -------------------------------------------- StÃ©phane Ducasse http://stephane.ducasse.free.fr / http://www.pharo.org 03 59 35 87 52 Assistant: Aurore Dalle FAX 03 59 57 78 50 TEL 03 59 35 86 16 S. Ducasse - Inria 40, avenue Halley, Parc Scientifique de la Haute Borne, BÃ¢t.A, Park Plaza Villeneuve d'Ascq 59650 France

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Problem with Dictionary and Associations
by David＠totallyobjects.com Feb. 17, 2021

Feb. 17, 2021

I am using STON to objects out to disk. Up to two days ago, I was reading them in as Dictionaries and converting to objects from there. All of a sudden yesterday morning, I got an error saying that the association is only indexable with integers. Even so, I don't seem to be able to access the contents. Fistly, any ideas why this has changed and secondly, any ideas how to fix it? David Totally Objects Sent from my Huawei tablet

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TinyBlog book
by danhunfeldz＠mail.com Feb. 14, 2021

Feb. 14, 2021

Using Pharo 8.0 64-bit, I ran this from the TinyBlog book: `Metacello new baseline:'TinyBlog'; ` `repository: 'github://LucFabresse/TinyBlog/src'; ` `onConflict: [ :ex | ex useLoaded ];` `load.` When I load the page and login as âadminâ and password, the page displays: # Seaside Walkback ## SubscriptOutOfBounds: 1 [Debug](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&1 'Open a debugger in your IDE and block until you hit "Proceed"')Â [Full Stack](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&2) ### Stack Trace 1. [thisContext](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&3)OrderedCollection(Object)>>errorSubscriptBounds:[self](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&4)an OrderedCollection() [index](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&5)1 2. [thisContext](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&6)OrderedCollection>>at:[self](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&7)an OrderedCollection() [anInteger](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&8)1[index](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&9)nil 3. [thisContext](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&10)OrderedCollection(SequenceableCollection)>>first[self](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&11)an OrderedCollection() 4. [thisContext](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&12)OrderedCollection(SequenceableCollection)>>anyOne[self](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&13)an OrderedCollection() 5. [thisContext](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&14)TBPostsReport class>>from:[self](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&15)TBPostsReport [aBlog](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&16)a TBBlog[report](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&17)nil[blogPosts](http://127.0.0.1:8080/TinyBlog?_s=AhLXaZ_NoKZ6CCc6&_k=KmiYK_nGojNSh9dO&18)nil Why is that, and what is the correction fir it? Thanks

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Hack to show timestamp and author on versions of methods
by Davide Varvello Feb. 11, 2021

Feb. 11, 2021

Hi Guys In my opinion it is really uncomfortable working without the timestamp of a specific version of a method, I read the explanation of Esteban in the previous thread (http://forum.world.st/pharo-8-method-versions-how-to-see-author-timestamp-t…) but probably it will take some time before to see a new VersionBrowser and the history based on git is not really a solution to me. So it took a day of debugging but I discovered the flow of "versions" in Pharo 8 and I added the logic of the timestamp and the author of a method. Basically I created a subclass of MessageList I named it VersionMessageList, in this way the original MessageList is preserved for other goals I can safely ignore. Now 1) You can file-in VersionMessageList.st (see below) and 2) You have to change VersionBrowser >> initializePresenters using VersionMessageList this way: VersionBrowser >> initializePresenters messageList := self instantiate: VersionMessageList . .... Be careful, it's a hack and it's working on Pharo8, I don't know if it works on Pharo9 Cheers Davide VersionMessageList.st <http://forum.world.st/file/t77843/VersionMessageList.st> -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

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[ANN] Willow-Bootstrap v13.1.0 [v13.1.0] released!
by Buenos Aires Smalltalk Feb. 10, 2021

Feb. 10, 2021

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[ANN] Willow v14.1.0 [v14.1.0] released!
by Buenos Aires Smalltalk Feb. 10, 2021

Feb. 10, 2021

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RB - New introduced refactorings
by Evelyn Cusi Lopez Feb. 9, 2021

Feb. 9, 2021

Hello all, These weeks I added new refactorings, following I will give some examples of them. *1. Create accessors with lazy initialization* This refactoring create accessors for variables with lazy initialization, for example: - we have a class Object subclass: #SomeClass instanceVariableNames: 'stringVar' classVariableNames: '' package: 'Example' - we can create accessors with lazy initialization executing this script: (RBCreateAccessorsWithLazyInitializationForVariableRefactoring variable: #stringVar class: SomeClass classVariable: false defaultValue: '''example''') execute the result of this refactoring is: SomeClass >> stringVar ^ stringVar ifNil: [ stringVar := '' ] SomeClass >> stringVar: anObject stringVar := anObject *2. Extract setUp refactoring* (is the first version by the moment, it need to be improved) This refactoring create a setUp method from a code fragment. You can select an interval of some code in a test method and call this refactoring to create a setUp method implementing that code and replace the code by nothing. The selected class need to be a subclass of TestCase. For example: - given a class TestCase subclass: #SomeTest instanceVariableNames: '' classVariableNames: '' package: 'Example' SomeTest >>testFoo self x. self assert: true SomeTest >> self x self doSomething - To extract setUp method you can execute this script: (RBExtractSetUpMethodRefactoring extract: (10 to: 16) from: #testFoo in: SomeTest) execute the result of this refactoring is: SomeTest >> setUp super setUp. self x. SomeTest >> testFoo self assert: true *3. Move method to class side refactoring* (This refactoring is still awaiting review) This refactoring move a method to class side. For example: - given a method ClassX >> annotatedBlockMarkup ^ '@@' - we can execute the refactoring with this script: (RBMoveMethodToClassSideRefactoring method: (ClassX >> #annotatedBlockMarkup) class: ClassX) execute. the result of this refactoring is: ClassX >> annotatedBlockMarkup ^ self class annotatedBlockMarkup ClassX class >> annotatedBlockMarkup ^ '@@' Any suggestions or comment of these refactorings are welcome. I hope these new refactorings are useful to you . Regards, Evelyn C.

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Magritte+Seaside 3.4.4+Pharo issues
by Sanjay Minni Feb. 9, 2021

Feb. 9, 2021

Hi I am posting these here (rather in desperation) as I seem to be stuck very erratically in Magritte. Magritte appeared to me the next best thing after sliced bread but somehow i just cant get it to toast. trying the simplest of the example - exercise 1 - from the booklet "Meta Data at work with Magritte" - item 4.3 - which is a form rendering CMPerson from the code example library Magritte-ContactManager - i now get errors / walkbacks in the Classes. Yet it seemed working earlier. (PS I have only loaded Pharo 8) - MAInternalEditorComponent - MAFileModelHandler MessageNotUnderstood__receiver_of__requiresMultipartForm__is_nil.pdf <http://forum.world.st/file/t368721/MessageNotUnderstood__receiver_of__requi…> MessageNotUnderstood__MAFileModelHandler___#key_.pdf <http://forum.world.st/file/t368721/MessageNotUnderstood__MAFileModelHandler…> I see it being used in desktop and probably in web (seaside) as well but somehow I am drawing a blank So can someone pls just help me and put any fixes as required (I will do a sprint over 2 weeks to get an app up) - - its a make or break for me ----- cheers, Sanjay -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

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