can you resize the pharo windows ? I saw you struggle with it there It also looks like its crawling there , which iPad is this , which generation ?
On Thu, Dec 11, 2014 at 10:09 AM, p...@highoctane.be <p...@highoctane.be> wrote: > Pharo on iPad. > > http://youtu.be/7MNsUiCc5FQ > Le 10 déc. 2014 21:26, "dboeren" <boer...@gmail.com> a écrit : > > Now that my image is working properly again and the fires have been put >> out, >> I wanted to introduce myself a bit better... >> >> My name is David Boeren. I first learned Smalltalk back in college many >> years ago, we used Smalltalk V in an object oriented programming class I >> took which was first-half Smalltalk, second-half C++. This would be about >> 1992 I think? In recent years I've mainly been using Java, with >> occasional >> Python dabblings. I remember installing Squeak once or twice over the >> years, but to be honest it felt a bit clunky, perhaps this was just an >> early >> primitive version or whatever. >> >> Recently, I've been getting the itch to try out some different >> languages. I >> was kind of looking at Scala or Clojure, one co-worker suggested Erlang, >> and >> so forth. But after doing a brief review I ended up coming back to >> Smalltalk which even after all these years still stands right up with the >> cutting edge I think. Sure, there are a few things that I think would be >> a >> little different if it were designed today like tuple support or whatever, >> but it feels like the right choice for something I'm going to use mainly >> for >> "fun" projects and the interactive environment is awesome. >> >> >> One thing I wanted to ask about is the status of getting Pharo running on >> iOS (or at least iPad). I found some old posts but nothing much within >> the >> last couple of years. I know there were app store policy issues in the >> past >> but I think that Apple has opened things up a bit since then, you can now >> get Pythonista in the app store, or Codea. Is there still an obstacle or >> is >> it just something that hasn't been gotten around to yet? I'd love to get >> it >> running on my iPad Mini and be able to transmit code back and forth >> between >> there and my laptop to work on it wherever I'm at. >> >> >> Second, I'm running into an oddity and I'm not sure what I'm doing wrong >> or >> whether this is a bug of some sort, this has to do with trying to replace >> unicode characters in a string which seems like it should be a >> straightforward operation. Here is my code: >> >> "Fetch the raw JSON data from dtdb.co" >> response := 'http://dtdb.co/api/cards/' asUrl retrieveContents >> asString. >> >> "Clean up the data a bit to make it a little more regular" >> response := response copyReplaceAll: 'null' with: '""'. >> response := response copyReplaceAll: '\u2022' with: ','. >> response := response copyReplaceAll: '\u009e' with: 'e'. >> >> Basically I'm just pulling some JSON data and then doing a few string >> replacements to make the data suit my needs. The first one works. The >> second one works. Since the third one ALSO uses a \uXXXX code I would >> expect it to work too, but it does not - the accented characters are still >> there. >> >> To get a bit more visibility into this, I copied the CopyReplaceAll code >> from SequenceableCollection into a scratch class method and adding some >> Transcript output: >> >> copyReplaceIn: aString All: oldSubCollection with: newCollection >> "Answer a copy of the receiver in which all occurrences of >> oldSubCollection have been replaced by newCollection " >> >> | startSearch currentIndex endIndex | >> >> Transcript show: 'start' ; cr. >> startSearch := 1. >> [(currentIndex := aString indexOfSubCollection: oldSubCollection >> startingAt: startSearch) > 0] >> whileTrue: [ >> Transcript show: 'Found at index ' ; show: >> currentIndex ; cr. >> endIndex := currentIndex + oldSubCollection size >> - 1. >> aString := aString >> copyReplaceFrom: currentIndex >> to: endIndex >> with: newCollection. >> startSearch := currentIndex + >> newCollection size]. >> Transcript show: 'done' ; cr. >> ^ aString >> >> A minimal test seemed to work: >> HelloWorld copyReplaceIn: 'R\u00e9my Lapointe' All: '\u00e9' with: 'e'. >> >> start >> Found at index 2 >> done >> >> Testing this with the real data worked too: >> HelloWorld copyReplaceIn: ('http://dtdb.co/api/cards/' asUrl >> retrieveContents asString) All: '\u00e9' with: 'e'. >> start >> Found at index 22379 >> Found at index 22500 >> done >> >> >> However, when I went back to using the regular copyReplaceAll:With: method >> it does not work and I'm not sure why. When it executes this: >> aString indexOfSubCollection: oldSubCollection startingAt: startSearch >> >> The value comes back as 0 even though it's the same data from >> 'http://dtdb.co/api/cards/' asUrl retrieveContents asString (I added a >> "self >> halt" to be able to step into the method and view the variable values), >> and >> I'm not sure what the difference is. There shouldn't be a limit on the >> size >> of the collection, should there? The whole thing is around 116k which is >> big but not ridiculously so. It is however big enough that the debugger >> can't show the whole value, or at least I haven't found a way to do so. >> >> >> And last, is there a good video tutorial for the Pharo beginner on how to >> use the various browsers, debugger, tools, etc... that come with Pharo? I >> would like to start learning more about the best ways to use these in my >> development processes. I'm also having a lot of trouble finding the >> correct >> classes and message for what I want to do, searching online w/ Google >> often >> seem to turn up outdated information (or for a different smalltalk flavor) >> and it can take a while to figure out the correct way to do things. Is >> there a good central reference for the APIs somewhere? I know that you >> can >> search in the browser but I usually don't know the name to search for. It >> would be good to have a handy reference detailing how to do all the >> commonplace stuff. >> >> Thanks! >> >> >> >> -- >> View this message in context: >> http://forum.world.st/New-Pharo-user-some-questions-tp4795325.html >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >> >> >>
