May 2017 - Pharo-users - lists.pharo.org

Pharo and QT
by Dimitris Chloupis Aug. 21, 2017

Aug. 21, 2017

Is there an interest for working with QT from Pharo ? I make no promises just something I was interested in trying.

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How to view hierarchy of multiple classes in a package?
by Tim Mackinnon July 8, 2017

July 8, 2017

Hi guys - I'm trying to get back into pharo, and check out the advances in v5. Anyway, if I look at a package in the system browser, it shows me classes in that package (i think my terminology is right here?). What confuses me, is his I can see the hire hybrid the classes in relation to each other? The hier button just shows the hierarchy of the selected class and not in relation to the others? I'm sure at some point pharo and squeak let you see the related hierarchies of all the classes in the package didn't it? This is really useful to help understand the relationship between classes and pure risky identify useful refactorings. I can't see how to do this in pharo anymore? Is this functionality that has been lost (which seems a shame)? Or am I missing another useful browsers? Tim Sent from my iPhone

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Saving to local git and "Loading all file names from http://...pharo5/inbox"
by Holger Freyther June 20, 2017

June 20, 2017

Hi, every time I save a local package using gitfiletree:// it tries to download from the pharo5 inbox. Is this to be expected? I do not have the inbox associated with that package though? Can the version number resolving be changed? kind regards holger

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Pharo6 server deployment and no home directory
by Holger Freyther June 18, 2017

June 18, 2017

Hi, as Pharo6 is around the corner I have moved my CI build from tracking Pharo5 to Pharo6 but I run into a problem. Either if $HOME is not set at all or $HOME points to a wrong directory I run into the error below. As this is a server application and I run multiple VMs with the same image and there is no home directory I would prefer that no information is persisted at all. Can this be done? Have there been any changes in Pharo6 in regard to this? It also seems to change from Fuel->Ston for the identifier? Is this intended? holger HOME=/home/blabla ./vm/pharo --nodisplay My.image eval --save '(NonInteractiveTranscript onFileNamed: #stdout)' install PrimitiveFailed: primitive #createDirectory: in UnixStore failed UnixStore(Object)>>primitiveFailed: UnixStore(Object)>>primitiveFailed UnixStore(DiskStore)>>createDirectory: UnixStore(FileSystemStore)>>ensureCreateDirectory: UnixStore(FileSystemStore)>>ensureCreateDirectory: UnixStore(FileSystemStore)>>ensureCreateDirectory: FileSystem>>ensureCreateDirectory: FileReference>>ensureCreateDirectory FileLocator(AbstractFileReference)>>ensureCreateDirectory GlobalIdentifierFuelPersistence(GlobalIdentifierPersistence)>>ensureDirectory GlobalIdentifierFuelPersistence(GlobalIdentifierPersistence)>>save: GlobalIdentifierFuelPersistence(GlobalIdentifierPersistence)>>load: GlobalIdentifierFuelPersistence(GlobalIdentifierPersistence)>>ensure: GlobalIdentifierStonPersistence(GlobalIdentifierPersistence)>>ensure: GlobalIdentifier>>ensure GlobalIdentifier class>>initializeUniqueInstance GlobalIdentifier class>>uniqueInstance SystemSettingsPersistence class>>resumeSystemSettings [ :persistence | persistence resumeSystemSettings ] in PharoCommandLineHandler>>runPreferences in Block: [ :persistence | persistence resumeSystemSettings ...etc... BlockClosure>>cull: SystemDictionary(Dictionary)>>at:ifPresent: SmalltalkImage>>at:ifPresent: PharoCommandLineHandler>>runPreferences PharoCommandLineHandler>>activate PharoCommandLineHandler class(CommandLineHandler class)>>activateWith: [ super activateWith: aCommandLine ] in PharoCommandLineHandler class>>activateWith: in Block: [ super activateWith: aCommandLine ] NonInteractiveUIManager(UIManager)>>defer: PharoCommandLineHandler class>>activateWith: [ aCommandLinehandler activateWith: commandLine ] in BasicCommandLineHandler>>activateSubCommand: in Block: [ aCommandLinehandler activateWith: commandLine ] BlockClosure>>on:do:

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[Modeling with Pharo] How to model a simple human interaction.
by sergio ruiz June 10, 2017

June 10, 2017

Hey all.. I got my first paying gig that i am able to use pharo with, and i am on the last leg before calling it complete. Hereâs what I need to do.. This application accepts SMS text messages. It allows the user to send images via MMS and place an order to a print house for those images.. Â it then compiles the order, and submits it to the order processing system and makes the prints. The last thing I need to zero in on is handling the interaction. Believe it or not, I have never modeled such an interaction. The interaction goes: - user sends images{s) - bot says âthanksâ and asks if there are more - user types âdoneâ or sends more - on âdoneâ bot asks for print size - bot says âthanksâ and the interaction is done. order is processed. my first inclination is to use a state machine, progressing through order each time the user enters âdoneâ..Â does this sound reasonable, or is there a better model/design pattern for this interaction? Thanks! ---- peace, sergio photographer, journalist, visionary Public Key:Â http://bit.ly/29z9fG0 #BitMessageÂ BM-NBaswViL21xqgg9STRJjaJaUoyiNe2dV http://www.Village-Buzz.com http://www.ThoseOptimizeGuys.com http://www.coffee-black.com http://www.painlessfrugality.com http://www.twitter.com/sergio_101 http://www.facebook.com/sergio101

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Traits, method flatten
by Hilaire June 8, 2017

June 8, 2017

Hi, When I load with Monticello classes with traits, all the traits methods are duplicated in the class. I got this problem with 4.0 then now with 5.0 Hilaire -- Dr. Geo http://drgeo.eu

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How to use uFFI with String
by horrido June 7, 2017

June 7, 2017

There is shockingly very little documentation on how to use uFFI. In particular, I have the following situation... A shared C lib has the following function: void get_machine(char *machine) { uname(&uname_s); strcpy(machine, uname_s.machine); } It copies the content of a string value into the buffer passed to it (char *machine). I want to call this function from Pharo, thus: buffer := String new: 64. self ffiCall: #( void get_machine(String buffer) ). The buffer never receives the string value (it just contains the 64 initiialized spaces). Clearly, I'm misunderstanding the proper mechanism for doing this. [There are other functions in the shared C lib that work fine, such as: uint get_uptime() { sysinfo(&info); return info.uptime; } Returning integers or floats is no problem. But passing arguments by reference seems to be verboten.] -- View this message in context: http://forum.world.st/How-to-use-uFFI-with-String-tp4947890.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

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Morphic or forking bug?
by horrido June 6, 2017

June 6, 2017

I have a puzzling bug. I've narrowed the scenario down to this code: CrankyÂ»initA a := ((StringMorph contents: '####') color: Color white) position: (0@0). m addMorph: a CrankyÂ»initialize f := Form fromFileNamed: 'hot_air_balloon_mysticmorning.jpg'. m := ImageMorph new. m form: f. self initA. m openInWindowLabeled: 'Cranky'. delay := (Delay forSeconds: 5). [ [ true ] whileTrue: [ a contents: 0 asString. delay wait ] fork I can run this application for hours and hours with no problem. However, if I run it for a while and then close the application and then save/exit the image, the next time I start the image, there is some likelihood it will crash dump. The probability is something like 5-10%. Interestingly, if I remove the statement... a contents: 0 asString. from the infinite loop, I've not been able to replicate the crash. Is there something wrong with the way I'm updating the contents of the StringMorph? -- View this message in context: http://forum.world.st/Morphic-or-forking-bug-tp4948727.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

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[Deploy] Deploying application - New Best Practices?
by sergio ruiz June 3, 2017

June 3, 2017

Hey, all.. I have a Pharo application that I ready to deploy to production. I havenât done this in a lot of years, so I thought I might check around on what the current best practices are. The app is a Teapot(REST) based application that processes SMS and MMS messages, including saving files to the file system, etc.. In the past, I would have added some kind of remote desktop server into my image, and run it headless on the server. When I needed to update the source code with monticello, I would use a VNC client to log in, update my source code, save the image, etc. I have a feeling things have progressed at this point. Can anyone point me in the right direction to learn current best practices? I will most likely be updating this to a gemstones app, but while this is in beta, i just want to worry about user experience of the application.. Thanks! ---- peace, sergio photographer, journalist, visionary Public Key:Â http://bit.ly/29z9fG0 #BitMessageÂ BM-NBaswViL21xqgg9STRJjaJaUoyiNe2dV http://www.Village-Buzz.com http://www.ThoseOptimizeGuys.com http://www.coffee-black.com http://www.painlessfrugality.com http://www.twitter.com/sergio_101 http://www.facebook.com/sergio101

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anotations like <todo> etc.
by Petr Fischer June 1, 2017

June 1, 2017

Hello, in Pharo 6.0, there is new annotations/pragmas like "<todo>". Is there any doc about this? How can I browse all "todos", how can I browse all possible annotations etc.? Thanks! pf

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