At Wed, 07 Aug 2013 15:05:56 -0700,
Edwin Castro wrote:
>
> On 8/7/13 12:33 PM, Levente Uzonyi wrote:
> > On Wed, 7 Aug 2013, psea wrote:
> >
> >> What's worried me is that in other languages I'm familiar with it's a
> >> normal
> >> thing to assign to a function argument (Scheme, C, Python, JavaS
> Lately I've been following the VPRI papers around functional reactive
> programming (FRP) which might also be worth a look if you're thinking about
> this stuff.
>
> http://www.vpri.org/pdf/rn2012001_kscript.pdf
>
> http://www.vpri.org/pdf/m2013001_serializing.pdf
>
> I like the idea, and I like
On Mon, Feb 11, 2013 at 10:24 AM, Jeff Gonis wrote:
> Hi Everyone,
>
> So when I am using Morphs in Squeak I like to instantiate a morph and then
> iteratively change it on the fly, having it respond to step calls, change
> how drawing works etc. All in all, this works pretty well and is one of my
On Sun, Dec 30, 2012 at 7:40 AM, Bert Freudenberg wrote:
> On 2012-12-27, at 01:32, Sebastian Nozzi wrote:
>
>> Why do ST methods return "self" if nothing is explicitly returned?
>
>
> One very simple reason has not been stated yet: In the Virtual Machine,
> returning self is simpler and more ef
There are more knowledgeable people around here, but here is my take:
On Wed, Dec 26, 2012 at 4:32 PM, Sebastian Nozzi wrote:
> Hello Smalltalkers,
>
> I was interacting the other day with an user in a Scala mailing list,
> and he had some questions about Smalltalk. From his FP (functional
> prog
At Tue, 22 Nov 2011 12:35:28 +0100,
Bert Freudenberg wrote:
>
> It's true that superficially the Smalltalk GUI looks just like another IDE.
> No coincidence - Eclipse was originally written by Smalltalkers in Smalltalk.
> But there is the crucial difference that in regular IDEs you just manipula
At Tue, 7 Jun 2011 13:21:25 +0200,
Bernhard Pieber wrote:
>
> Hi Mateusz,
>
> Yoshiki Ohshima created a tool called ImageBrowser to read an image file in
> 2002. I don't know if it works in a current image. See the following links:
>
- Yoshiki
> On Wed, Jun 2, 2010 at 11:55 AM, Yoshiki Ohshima wrote:
>
> At Fri, 28 May 2010 10:55:31 -0600,
> Clinton Blackmore wrote:
> >
> > Very interesting. It looks like I will probably not get to try any of
> these methods until next week, but, what
At Fri, 28 May 2010 10:55:31 -0600,
Clinton Blackmore wrote:
>
> Very interesting. It looks like I will probably not get to try any of these
> methods until next week, but, what sort of
> adjustments do you think it would need for Scratch images?
The biggest single issue is that my ImageBrows
At Fri, 21 May 2010 21:35:14 -0600,
Clinton Blackmore wrote:
>
> Greetings.
>
> While I've programmed for some time, I am new to Squeak. I was wondering how
> I diff or compare two images that are
> largely similar (such as, say, Scratch vs Scratch For Second Life).
>
> In other environments
At Wed, 7 Apr 2010 19:52:11 -0700 (PDT),
Jerome Peace wrote:
>
> Hi Lawson,
>
> What you are trying to do is really cool.
>
> You are up against a squeak "you can't get there from here" problem.
>
> Yet.
>
> There needs to be some way to tie the extent of the workspace to the
> extent of the d
At Sun, 7 Feb 2010 13:45:00 +0100,
Garret Raziel wrote:
>
> Hello,
> I have another "problem". In windows, my microchip is connected on port 7
> (COM7) but I dunno which port number it is in
> Linux. It is connected in location /dev/ttyUSB0 but I dunno what is its
> number. I have tried this cod
At Fri, 5 Feb 2010 18:56:43 +0100,
Garret Raziel wrote:
>
> and it works almost fine. But there is a bug. Time to time I receive only a
> part of value, for example I am receiving: 56 55
> 56 55 5 6 55 ... 102 103 101
> 103 100 102 1 1 0 102 102. Those one-digit values are truly false and it
> l
At Sun, 15 Nov 2009 14:17:41 +0100,
Bert Freudenberg wrote:
>
> Instead of the abstract FileStream use the stream class you want explicitly.
> StandardFileStream is the old class that does no conversion. So you would
> open your file like this instead:
>
> StandardFileStream readOnlyFileN
At Tue, 3 Nov 2009 10:53:40 -0500,
Lynn Fogwell wrote:
>
> Hi,
> Whenever I compile a particular method, the transcript displays the
> following line:
>
> IdentityManager class >> populateDevelopersTable (name is shadowed)
>
> So, it names the class and method I just compiled and then states
> So ... all you need to do is hack the Compiler :)
And it takes two new methods and four very minor overrides in some
subclasses.
-- Yoshiki
___
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At Mon, 24 Aug 2009 21:16:16 -0500,
rdmerrio wrote:
>
> I have defined a method, i.e.,
>
> someMethod
> anInstVariable := anotherInstVariable1 + anotherInstVariable2.
>
> I would like to intercept the acceptance of this method by the browser
> and programatically determine what instance var
? I mean the problem with this pr is really unusual?
>
> thanks a lot!
>
> El mar, 28-04-2009 a las 08:44 -0700, Yoshiki Ohshima escribió:
>
> At Tue, 28 Apr 2009 13:51:25 +0200,
> antonio wrote:
> >
> > Hello,
> >
> > Someti
At Tue, 28 Apr 2009 13:51:25 +0200,
antonio wrote:
>
> Hello,
>
> Sometimes the size of a project does not reduce after the deletion of a
> graphic object.
> How can I purge definitively the space of this object?
Are you using the Etoys image or some other images? And you are
concerned about
At Thu, 19 Feb 2009 12:11:33 -0800,
Yoshiki Ohshima wrote:
>
> At Wed, 18 Feb 2009 22:34:08 -0500,
> David T. Lewis wrote:
> >
> > On Wed, Feb 18, 2009 at 02:37:27PM -0500, Matthew Fulmer wrote:
> > > On Wed, Feb 18, 2009 at 11:28:29AM -0800, Chris Cunningham
At Wed, 18 Feb 2009 22:34:08 -0500,
David T. Lewis wrote:
>
> On Wed, Feb 18, 2009 at 02:37:27PM -0500, Matthew Fulmer wrote:
> > On Wed, Feb 18, 2009 at 11:28:29AM -0800, Chris Cunningham wrote:
> > > I'd be leary of basing Currency off of ScaledDecimal, especially if there
> > > is
> > > to be
At Wed, 28 Jan 2009 21:55:27 +0100,
Martin Bleichner wrote:
>
> E.g. I have an ellipse
> and I would like to have a construction like
>
> Test Ellipse hears sound
> Yes Ellipse turn by 90
> No Ellipse forward 5
>
> Is there a straight forward solution, or does this requires some deeper
>
At Thu, 11 Dec 2008 12:23:45 -0600,
Tim Johnson wrote:
>
> Hi,
>
> Does anyone have, or know of, existing code to perform the rather
> anglo-centric (?) function of turning 3 into '3rd,' 22 into '22nd,'
> etc.?
Heh, if Wikipedia is right, the following method for Integer would
do:
ordinal
At Tue, 4 Nov 2008 18:53:49 -0600,
Mark Volkmann wrote:
>
> I want to load a package from SqueakMap. When I select
> open...SqueakMap Package Loader, I get the following.
>
> In the SMSqueakMap>>categories method, the instance variable "objects"
> is nil and it's trying to send select: to that
At Tue, 4 Nov 2008 10:34:53 +0800,
Albert Lee wrote:
>
> [1 ]
> learning smalltalk, and get some idea of Metaclass and reflective.
> we can use subclasses or allSubclasses to list a Class' subclass, and
> then, we can generate the inherit tree.
>
> so, is there any existing program to generate th
At Mon, 3 Nov 2008 17:04:47 +0100,
TooMany Secrets wrote:
>
> [1 ]
> Hi!
>
> I need to know how to configure Squeak (vm 3.10.x) to obtain spanish
> characters like: á, í, ú, etc.
> I have Squeak configured to Spanish language, and characters like "ñ"
> works fine, but the tilde "accent" doesn't
At Wed, 29 Oct 2008 12:48:46 -0500 (EST),
Charles Bacon wrote:
>
> I have just installed Squeak on my FreeBSD box, a bit more capable than
> the limited OLPC in which I discovered it as a part of Etoys. Problem
> is that Squeak gives no clue how to address a Midi file so that it can
> be edited.
At Tue, 28 Oct 2008 18:42:40 +0100,
[EMAIL PROTECTED] wrote:
>
> How am I supposed to draw text on a Form(Canvas) without it looking
> all blurred?
> I've installed Freetype and Polymorph (the pharo image with both), but
> it's unclear how to get a font that draws correctly. The non-truetype
At Thu, 23 Oct 2008 01:49:08 +0800,
Simon Chan wrote:
>
> [1 ]
> [1.1 ]
>
> [1.2 ]
> Hi all, I am a total beginner, just started few days.
>
> I just found smalltalk has the nicest development environment I have even
> seen,
> especially the image persistent.
>
> Persistent has always been
> But, in trying to decipher the error message, I thought it might be referring
> to the new constant. I'm still mystified
> as to what the error message means, or what it refers to, or why I got it.
> Perhaps, as Yoshiki suggests, it's a bug.
> (The image which I'm using is 3.9-final-7067.)
P
At Wed, 15 Oct 2008 00:23:25 -0600,
Chris Kermiet wrote:
>
> Hi, Folks --
> I'm new to this list. I'm learning squeak by by creating some artsy
> objects which create designs according to
> mathematical algorithms (based on Schillinger's Mathematical Basis of the
> Arts). It seemed like a g
At Wed, 15 Oct 2008 00:23:24 +0200,
Matthias Korn wrote:
>
> No, I didn't.
> It's probably due to the image I am using!? Maybe the Syntax Error tool
> is not included?
> It is sq3.10-7159dev08.03.1.image
Now, I remember where it was started^^; So because #category that is
used in the syntax err
At Mon, 13 Oct 2008 12:32:09 +0200,
Matthias Korn wrote:
>
> > Cool, it is a fun class to work on. I tried to file it in to 3.10.2
> > and did get the Syntax Error panel properly.
>
> How do you get the "Syntax Error panel"? Is that a special tool? I'm
> only getting the debugger where I navig
> ScratchFrameMorph class-readPaintSkinFrom.st
Cool, it is a fun class to work on. I tried to file it in to 3.10.2
and did get the Syntax Error panel properly.
The trouble seems to me that in the following part and after, variable
"n" is used but it is a block local variables in the previous b
At Thu, 9 Oct 2008 15:37:39 +0200,
Matthias Korn wrote:
>
> [1 ]
> Hi,
>
> I already tried to fileIn a minimal part (one Morph class) of the
> application I want to port and started resolving the errors in the
> debugger one by one. Still, now I am stuck with the following error:
> Metaclass(Obj
At Wed, 24 Sep 2008 22:39:53 +0100,
Marcin Tustin wrote:
>
> Write a method that tells you score of a character
Yes.
> Write a method that tells you the score of a string (hint: use inject:into:)
Yes.
> Write a method that tells you the dollar words (hint: use select: and
> splitOn:)
T
At Wed, 24 Sep 2008 17:42:08 +1200,
Aidan Gauland wrote:
>
> Hello,
>
> I've been playing around with the Socket class, and the code I was running
> in an EToys script crashed a few times (I did try it in a workspace first, it
> was the code I wrote to talk to other players that crashed), and
At Thu, 18 Sep 2008 10:38:52 +0100,
Marcin Tustin wrote:
>
> No in two reasons; 1) he wasn't talking about removing items in the
> middle
>
> Look at the original example.
Right. But still I think suggesting to use LinkedList here is not a
good idea.
> and 2) OrderedCollection is
At Thu, 18 Sep 2008 10:00:15 +0100,
Marcin Tustin wrote:
>
> Would this be O(n^2) to remove all nils?
Not in a way it matters. OrderedCollection moves items not eagarly.
> In any case, if this is a conveyor belt, then you should almost certainly be
> using a linke data structure, and iterate
At Sat, 6 Sep 2008 08:29:35 -0700,
David Finlayson wrote:
>
> The next generation of workstations we buy will probably have dozens
> of cores but hard drives and memory will only be marginally faster (if
> history is any indication). So, if I/O is the rate limiting factor,
> not cpu speed, why not
At Fri, 5 Sep 2008 02:59:08 -0700,
Charles Gray wrote:
>
> Gee, that was easy. Thanks. I never guessed that you had to leave
> the #'s off inside the array.
I still wonder what version of image you are using. In the image I'm
using, I can evalute:
#((0 0 0 0) (0 0 0 0) (0 0 0 0) (0 0 0 0) (0
At Fri, 5 Sep 2008 14:49:29 -0700,
David Finlayson wrote:
>
> Unfortunately, the data is not a simple block of floats. For example,
> in C here is how I read a "ping" header block from one of our vendors
> formats:
I'm sure that there are other implications, but it sounds like you
do need some
At Fri, 5 Sep 2008 17:54:19 -0400,
Rob Rothwell wrote:
>
> How do I reference dates prior to 1900 in Squeak?
>
> When I print, for instance d := Date fromString: '01/01/1800', I get 1
> January 3700.
>
> 1700 = 3600,
>
> etc...
>
> Should I be using a different Date/TimeStamp package for this
At Fri, 05 Sep 2008 23:00:07 +0200,
nicolas cellier wrote:
>
> Hi David,
> your applications is exciting my curiosity. Which company/organization
> are you working for, if not indiscreet?
I assume the answer is USGS, because of his email address! Yes, it
sounds like something cool is going on
At Fri, 5 Sep 2008 11:33:37 -0700,
David Finlayson wrote:
>
> Then I modified the sonogram class to display sonar backscatter data
> (like a black-and-white image of the sea floor) in about 2 hours. Very
> cools stuff. The only problem was that the sonar data is time
> consuming to parse in Squeak
At Fri, 5 Sep 2008 10:59:03 -0700,
David Finlayson wrote:
>
> I re-wrote the test application to load the test file entirely into
> memory before parsing the data. The total time to parse the file
> decreased by about 50%. Now that I/O is removed from the picture, the
> new bottle neck is turning
At Thu, 4 Sep 2008 15:14:44 + (UTC),
Charles Gray wrote:
>
> Why doesn't this work?
>
> strength := Array new: 10.
> strength := #( #(0 0 0 0) #(0 0 0 0) #(0 0 0 0) #(0 0 0 0) #(0 0 0 0) #(0 0 0
> 0)
> #(2 1 0 0) #( 8 4 0 1) #(14 6 0 2) #(30 12 1 4)).
Why do you have two assignments here?
At Wed, 20 Aug 2008 16:43:55 +1000,
Sven Schott wrote:
>
> That is cool. I didn't even know about tinyBenchmarks.
>
> Pepper Pad 3 tinyBenchmarks:
>
> '28193832 bytecodes/sec; 922382 sends/sec'
>
> From my MacBook Pro for comparison:
>
> '524053224 bytecodes/sec; 12262411 sends/sec'
28 mi
At Mon, 18 Aug 2008 16:05:27 +1000,
Sven Schott wrote:
>
> [1 ]
> [1.1 ]
>
> [1.2 ]
> Just an interesting tidbit. I recently installed Squeak on my Pepper Pad 3.
>
> First post on http://www.spannermonkey.info/
>
> It's quite nice having a touchpad with Squeak. :)
Cool. I played with an
> I am playing around with Morphs to create a Board for the ancient Go
> game. Given that I'd like to create a completely new kind of Morph
> (i.e. a Class that extends Morph), I'd like to find out which methods
> in the Morph class are defined as subclass responsibilities. Is there
> any fast way
At Tue, 12 Aug 2008 22:49:21 +0200,
Felix Dorner wrote:
>
> Hi,
>
> I have installed squeak under several distros, at least Gentoo and Ubuntu. I
> have noticed that the Icons stored in the
> Flaps appear blurry/noisy - this is not the case on M$. Maybe someone knows
> why? Maybe there's a tric
> I mistakenly created a category with a misspelled name.
There are class categories and method categories. Which one was it?
With a 5 pane browser (the standard one), right-clicking on the
appropriate pane (either the left most of the top half or the third
one from the left in the top half)
At Tue, 22 Jul 2008 13:53:21 -0400,
Iulian Wande Radu wrote:
>
> Hi, I'd like to skew the graphics of a Form, is there an easy way to do this
> in v2 ?
>
> What I want is to take the rectangle from a normal form, transform it into an
> arbitrarily-defined quadrilateral, and
> then paint on the
> So, I understand that I need:
> - intermediate classes, for storing 'true' arrays,
> - translators for converting to/from standard squeak classes from/to
> these intermediate classes,
> - primitives for array computation on these classes
> or something like that.
The KedamaPlugin2 has some mor
Also, there is a menu item in the workspace (click on the menu
button next to the close button in the title bar) called "create
textual references to dropped morph". If you check the box, you can
drop a morph onto the workspace and then you can refer to the object
by the name created in the work
Andy,
(What is Etoy Outliner?)
As Oscar wrote, examining the "live" application is the best way.
Insert a breakpoints by putting "self halt." into an event
handler/callback method of an application and, say, press the button
that invokes it. You can step through it while looking at the act
Simon,
What version of Squeak are you using?
> I know I can choose my own size using StrikeFont class>>fromUser, but
> what's the best way to do this in my code, non-interactively?
This is a good starting point. StrikeFont class>fromUser calls:
StrikeFont class>fromUser:allowKeyboard:, an
Mathieu,
> #=
> is equality comparaison
>
> #==
> is identity comparison
Yes.
> All the character is unique so is better (faster) to use #==.
This is not true for Characters whose code is bigger than 256.
To me, the identity comparison is more or less in the "meta" level
or touching i
Javier,
> Hi,
> I was wondering if it's possible to know what version of squeak
> was used for a project (.pr) file. Anybody know a way of doing this?
It depends on what Squeak you used to make the .pr file^^;
In versions like OLPC Etoys, there is a file called "manifest" in
the .pr fi
Edgar,
> > Interest yes, but we don't have any resources to spare for this,
> > unfortunately.
> >
> > - Bert -
>
> Once what 3.10 was in beta could you have time to supervise me like Ralph do
> now ?
For the "interest" part, I'm writing an externalization scheme for
EToys that doesn't so m
Offray,
> I'm wondering where to ask the questions about Squeak. Long time ago, I
> was asking on squeakland, but after a time asking about Kedama I found
> that, some questions get more attention on Squeak Beginners. Recently I
> have being asking about accented characters and "hipertext" in
Hello,
Is there any way to get some sort of notification right *before* a
fullGC happens so that some guys release their cache?
Is there something I can do for this? Thank you so much!
Below is a little background...
I noticed that the caching behavior of TTCFont is *still* relying o
Esteban,
> I`m new in squeak, but not in smalltalk. I have some questions about
> the environment of squeak that will help me to understand it.
> - Firstly, I would like to know how the startup process of squeak is,
> as detailed as possible.
- The VM compiled by a C compiler is loaded onto t
Antonio,
If you evaluate the following (and print-it):
| a b |
a := FloatArray new: (16 * 1024*1024).
b := FloatArray new: (16 * 1024*1024).
[a += b] timeToRun.
you probably get a number around 100 or 200. This means that Squeak
can add two 32-bit float arrays with 16M entries in 10
Jan,
> How would I set the proper encoding for fonts under Squeak? My keyboard
> layout under Windows is set to 'PL', and pressing LeftAlt-a should yield
> the letter 'ą'. Instead, I am getting some garbage.
Sorry for really slow response. What is PL layout? The encoding of
fonts is basic
Hello,
The C5 conference, that has been a great place to meet with people
who are doing research and/or practice in the field of communication,
collaboration and education with computers.
Please consider to submit papers and/or attend.
-- Yoshiki
--
> Subject: Re: [Newbies] Why hasn't Smalltalk been wildly accepted?
It may not be widely accepted, but I definitely think it is *wildly*
accepted!
(And, looking at the new horizon and the opportunity, this wildly
accepted status seems to be an advantage for being (the forefather of)
widely u
Hello, Petr,
> I have some questions about the use of Squeak on Pocket PC (Windows
> Mobile 5 [WM5]).
I don't have any experience with WM5, but...
> 1) how to detect "tap and hold" event?
If I remember correctly, it is reported as a "blue button"
click. (But since you're asking this, I ma
David,
> Hi, I'm a bit of a newbie to linux, but I got my hands on a sharp zaurus pda,
> running OpenZaurus... linux 2.6 with Opie.
>
> I'd really like to run Squeak on this thing, but I have never done anything
> like cross-compiling before. I was just
> wondering if someone could point me i
Murphy,
> I am trying to find some good examples of how the Dictionary class is
> used, particularly basic stuff like examples of how add: works. The
> sender button in the SystemBrowser calls up about a million examples
> of add: , but I don't see a way to filter by a specific class. I
Hello,
> All things in Smalltalk are Objects include Classes,
> all Classes are instances of MetaClass.
> I consider this structure bring on an advantage that we get a clean idea,
> and we can make a simple VM which needn't distinguish:
> 1. common objects and Classes;
> 2. Classes and MetaClas
Thomas,
Did you get responses?
> (EmphasizedMenu
> selections: #('bold' 'plain' 'italic' 'struckout' 'plain' 'nice menu!')
> emphases: #(bold plain italic struckOut plain bold))
> startUp
In Squeak 3.8 or such, if I change it to:
(EmphasizedMenu
selections: #('bold' 'plain' 'italic' 'stru
Hello, Aleksei,
Sorry for the slow response.
> I have problems with WideString. (realy not with WideString, but
> debugger brings me to this class). When I send #beginsWith: message to
> WideString, squeak invokes String>>beginsWith: and this method use
> String>>findSubstring:in:startingAt:
Hello,
I noticed that this one only got a one-liner from Ron, but I felt to
explain it a bit more.
First, the better paper to refer to is:
http://users.ipa.net/~dwighth/squeak/oopsla_squeak.html
> In Squeak, what was first: VM or image?
If we are specifically talking about Squeak, I'd
Joaquin,
> I wish to create a subclass of FloatArray for a dynamic system simulation.
> When creating the class with #subclass: the
> method is automatically changed to #variableWordSubclass: as follows
>
> FloatArray variableWordSubclass: #DynamicVariable
>
> That is fine. But when I wish to
Hello,
> I would like to know if Traditional Chinese is available as a language for
> the Squeak environment. I am living in Taiwan
> and would like that children in my wife's school use Squeak with menus in
> Traditional Chinese characters. I saw that the
> Japanese environment is available.
Kyle,
> Is there a way to gain access to OS filesystem capabilities from within
> Squeak?
Can you elaborate a bit the meaning of "gain access to OS filesystem
capabilities"? If it is basic reading, writing, and deleting files
and directories, of course Squeak provides class library to suppo
Waldemar,
The VM comes with Croquet release support it.
http://www.opencroquet.org/
There is pages from which you can download the VM... but not sure if
these are really meant to be public.
-- Yoshiki
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Hello, Young-Jin,
> I am a real novice Squeaker and have a question of how to get the code
> of an eToy I created (or generally source code of morph projects).
> I know how to save the eToy project into *.pr file, but it is not readable
> file.
>
> As an experienced Java programmer, I want to
Cédrick,
> For my project, I need to have an application in french and spanish.
>
> Do you have advice for simple translation mechanism (only strings).
What version of Squeak are you using? There is a sort of end-user
tool called LanguageEditor, that lets you enter the original phrase
and t
Charles,
> Todd Blanchard wrote:
> > The rule is, if you don't return a value, then self is returned.
> > There's no such thing as a void message like in C++ or Java.
> >
> > Tell me what you want to do and I'll see if I can scare up some examples.
> >
> > On May 8, 2006, at 10:16 PM, Charles D
Charles,
Welcome!
> I know that with it's heavy graphics front end, it can't be in the upper
> range (can it?), but how does it compare to, say, python, ruby, scheme,
> and C?
Of course, you should pick "realistic examples" that matches your
possible applications, but if you write a micro-
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