- Pharo-users - lists.pharo.org

Infinite loop is not stopped by Cmd+.
by Alex Schenkman Jan. 24, 2011

Jan. 24, 2011

Hi List, Recently I had a bug causing an infinite loop, which in turn hanged the image. I thought that Cmd+. would allow me to stop this, but this is not the case. Adding and executing this method hangs my image and Cmd+. does not stop it. MyClass>>infinite ^self infinite Is this the right behavior? Thanks in advance!

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Error in logging chapter of "Pharo collaborActive Book"
by Panu Suominen Jan. 22, 2011

Jan. 22, 2011

I was not sure if this is the right list. There is example like this in logging chapter of the Pharo book: Gofer new project: 'Logging'; package: 'ProcessSpecific'; package: 'Logging'; load It does not work. Maybe it should be: Gofer new squeaksource: 'Logging'; package: 'ProcessSpecific'; package: 'Logging'; load -- Panu

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Pharo on Windows
by Andrew Black Jan. 22, 2011

Jan. 22, 2011

I just started using Pharo on windows for the first time. First, I should say that I'm really impressed. Pharo seems much more solid than when I last tried it. I programmed all day without getting a walkback! All of the tools "just worked". Well done! It's a lot of work creating a solid user experience, but you have done it. Now I have some Windows-specific questions. I'm a real windows newbi, so please be patient. After I downloaded Pharo.app, I dragged the whole directory to a convenient place, and tried to launch the Pharo.lnk file, just like the readme file says. But there is no such file visible in windows explorer (even though I have "don't show extensions for known file types" box unchecked. The file shows up as Pharo. Anyway, I figured that it was really Pharo.lnk (Cygwin tells the truth) and double-clicked on it. This brings up an alert that says C:\Users\<username>\Desktop\OneClick.app\Contents\Windows\Squeak.exe the specified path does not exist. Is this because I moved the downloaded package? Shouldn't the symlink be relative? Anyway, I looked in ...\ Contents\Windows\, double-clicked on Squeak.exe, and everything started up just fine. I worked all day, and saved my image a few times using the Save menu on the desktop. Each time, I get the usual confirmatory dialog in the Transcript. Overnight, my machine shut down. Today, I relaunch Squeak.exe, and of course I get the virgin image! Where is the image that I've been using? The Windows "search this computer" tool can't find it! What about my package cache? Eventually I find everything in Pharo.app\Contents\Resources, but not until I've had a few moments of panic! Questions: Is this the appropriate behaviour on Windows, or was there a user error on my part? Is it OK to move my image somewhere else? How can I change the current directory for Pharo on Windows? OK, so now that I've found my image file, how to I re-launch it? I double-clicked on the .image file, and I got a dialog saying that Windows didn't know what program to use to open it. Fair enough. So I told it to use Squeak.exe. Pharo launches, and I get: "Error: invalid utf8 input detected". It's treating the image as if it were a source file: it has opened a MultiByteFileSTream on it. That's not right. How do I re-launch my Pharo image? Andrew

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Where do I find KeyedSet?
by Alex Schenkman Jan. 22, 2011

Jan. 22, 2011

Hi List, I'm trying to use the TestMock package in a Pharo-1.1.1-OneClick image, and it uses KeyedSet. Where can I find this class? Is there any tool to lookup which package in SqueakSource contains a specific class? Thanks in advance!

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Pharo on Windows
by Torsten Bergmann Jan. 21, 2011

Jan. 21, 2011

Looks like you use the "Pharo one click image" which is multiplatform. Why dont you use the Pharo installer for Windows which I created. - the download is smaller (you dont get the Linux/Max VMs) - it is better integrated into Windows You can find it when you scroll down at: http://pharo-project.org/pharo-download Here is the direct link: http://gforge.inria.fr/frs/download.php/27305/setup_pharo1.1-11411-release1… Bye Torsten http://astares.blogspot.com -- NEU: FreePhone - kostenlos mobil telefonieren und surfen! Jetzt informieren: http://www.gmx.net/de/go/freephone

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soft write barrier
by Norbert Hartl Jan. 20, 2011

Jan. 20, 2011

I'm thinking about tracking changes to objects. I had a look at WriteBarrier on squeaksource. My goal would be to have something more soft that does not need to track class shape changes and most of the system notifications, just the state of an object. A second goal is to avoid having to use primitives but that shouldn't be too hard. The objects will be materialized via http and I want to have a good way to track those changes. I can think of some approaches but wanted to ask for the clever ones :) What possibilities do you see to achieve this? thanks, Norbert

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Pharo and network
by Adrien BARREAU Jan. 18, 2011

Jan. 18, 2011

Hello, I read these documents: http://book.pharo-project.org/book/networking/Socket http://wiki.squeak.org/squeak/325 but I still don't get what I want with pharo. Here is the idea: I want a socket to listen a port while pharo is launched as a deamon. I tried to test the sockets with this idea: - creation of two sockets in two workspaces - server: | server st | st := String new. server := Socket newTCP. server listenOn: 12345 backlogSize: 4. server receiveDataInto: st - client: | s | s connectTo: ('127.0.0.1' asByteArray asSocketAddress) port: 12345. s sendData: 'Hello' - the connectTo:port: fails, and I don't understand why So I have no idea ... Adrien.

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TDD facilities: missing ctrl+t
by Alex Schenkman Jan. 14, 2011

Jan. 14, 2011

Hi list, I've installed the TDD-Facilities package. Pressing ctrl+t, or ctrl+r does not run the test, :-( I'm pressing it while editing a test method, in the default browser of a Pharo-1.1.1-OneClick image. Any clues on what I might be missing? Thanks again!

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PharoConf Annecy 2011
by laurent laffont Jan. 13, 2011

Jan. 13, 2011

Hi, PharoConf Annecy will took place at IMUS (UniversitÃ© of Savoie), 10th February. Website here: http://pharoconf-annecy.seasidehosting.st/ (in french, but google translate starts to be wonderful :) It's a local event focused on real code, coding-dojo, katas using Pharo. If you're not far from Annecy, welcome ! Laurent Laffont Pharo Smalltalk Screencasts: http://www.pharocasts.com/ Blog: http://magaloma.blogspot.com/

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squeak vm without MMU
by Annick Fron Jan. 13, 2011

Jan. 13, 2011

Hi, Is it possible to use pharo on a processor with MMU (Memory Unit Management ) ? Namely my target OS is a Linux with the following differences : ============ The kernel is a collection of patches to make the standard Linux kernel run on CPUs that do not have an MMU. As a consequence you will encounter some differences between the kernel and the standard Linux behavior: u no fork() â consider using vfork() instead but beware of the difference of their semantics u no daemon() â it is usually implemented on top of fork and cannot be easily replaced without changing the semantics. u fixed stack size -- the stack of an application is set at execution time and cannot grow during runtime. The default stack size is 4k! It can be increased with the "-s" option of m68k-uClinux-elf2flat. u limited libc compared to glibc -- either add more to libc, or remove some functionality. u no support for ELF binary file format u very limited support for shared libraries due to missing MMU -- all applications get linked statically u mmap() is very inefficient u no paging -- applications have to be loaded completely into RAM, the heap is very susceptible to fragmentation. ======== Annick Fron

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