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Tcl-URL! - weekly Tcl news and links (Oct 22)

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Cameron Laird

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Oct 22, 2008, 12:08:11 PM10/22/08
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QOTW: "... in addition to being easier to unit-test than thread[ing
solutions], they are also mightily more convincing about not sharing
anything ;-)" - Alexandre Ferrieux, on "child processes"


Proposition: if an application runs too slowly, and if you ask
comp.lang.tcl for help, there is a likelihood you'll end up with
code that's not only faster but cleaner:
http://groups.google.com/group/comp.lang.tcl/browse_thread/thread/8f10cb2d6e66f60c

Kevin Kenny and Glenn Jackman lucidly illustrate a few of the
marvels of simple clock arithmetic 8.5 (or, more broadly, Kevin's
[clock] extension) enables:
http://groups.google.com/group/comp.lang.tcl/msg/062cbde37d8d3a73
http://groups.google.com/group/comp.lang.tcl/msg/3fcf45780e6bc6d5
Exercise for the reader: what time is it in Greenwich if it's
10,000 seconds after the first Tuesday after the 43rd Monday of
Tuesday in the capital of Alaska?

This week's debugging tour-de-force, a cooperative effort by
Alexandre and George, concludes thread pools are inherently
broken--but patchable! HEAD is now healthier.
http://groups.google.com/group/comp.lang.tcl/browse_thread/thread/a16ab65ff33899b4/

Thanks to Arjen Markus for his weekly summary of Wiki action:
While a lot of work is being put in the conference and making audio/video
streams available for everyone who is unlucky enough not to be able
to attend it in person, the Wiki is seeing a lot of activity as well!

One of those things ...
- One of those little programming challenges ... rendering clock time in
ASCII art: <http://wiki.tcl.tk/21247>

- One of those books that should be far better known, especially
to the absolute beginner in programming: <http://wiki.tcl.tk/20648>

- One of those aspects of Tcl that can make its interactive use a
lot easier: tab completion at <http://wiki.tcl.tk/21745>

Developing in Tcl/Tk
- Tcl Dev Kit 5.0 has been announced on comp.lang.tcl but here
are a few more details: <http://wiki.tcl.tk/3960>

- It is also mentioned on this page, collecting the various tools
for the Tcl developer: <http://wiki.tcl.tk/3875>

- When creating a not so trivial user-interface in Tk, what rules
should you keep in mind? <http://wiki.tcl.tk/11290> lists a
few, however personal they may be.

- If an OO system does not seem to do quite what you want, is
there a way forward? Well, in some cases: yes. Neil shows
a few neat tricks with Snit - <http://wiki.tcl.tk/21736>

Applications in Tcl/Tk
- This package is a diagram editor using the Poet OO system.
Check it out, starting at <http:/wiki.tcl.tk/21742>

- Grepping a text string, wading through myriads of files ...
Sounds familiar? Mayve this application can help:
<http://wiki.tcl.tk/21741>

- Generating sound waves using the computer and a scripting
language ... <http://wiki.tcl.tk/21744>

- A tiny text editor for a tiny computer - and standalone
at that: <http://wiki.tcl.tk/15847>

Everything Tcl-related you want is probably one or two clicks away in these
pages:
The "Welcome to comp.lang.tcl" message by Andreas Kupries
http://www.purl.org/net/tcl-welcome
comp.lang.tcl is a crucial resource for Tcl practitioners.
An interesting perspective on its traffic appears at
http://groups.google.com/group/comp.lang.tcl/about

The Tcl Developer Site is Tcl's "home base".
http://www.tcl.tk

Larry Virden maintains a comp.lang.tcl FAQ launcher.
http://www.purl.org/NET/Tcl-FAQ/

The Tcl Developer Xchange is a highly organized resource center
of documents and software with provisions for individuals to
maintain references to their own software:
http://www.tcl.tk/resource/
The TDX sponsor, ActiveState, also keeps info to convince your
boss Tcl is a good thing
http://www.tcl.tk/scripting/

The Tcl'ers Wiki is a huge, dynamic, collaboratively edited repository
of documentation, examples, tutorials and pontifications on all things
Tcl.
http://wiki.tcl.tk/0
For the ideal overview of the topics about Tcl most likely to
interest a newcomer, see "Arts and Crafts ..."
http://wiki.tcl.tk/969
There's also a high-quality Wikibook on Tcl:
http://en.wikibooks.org/wiki/Programming:Tcl

ActiveState maintains binaries distribution and development tools
http://www.activestate.com/Tcl
along with a Cookbook of Tcl recipes
http://aspn.activestate.com/ASPN/Cookbook/Tcl

"La Gazette du Técleux" is an important monthly publication.
http://wfr.tcl.tk/1159

deli.cio.us presents an intriguing approach to reference commentary.
It already aggregates quite a bit of Tcl intelligence.
http://del.icio.us/tag/tcl

Cameron Laird tracks several Tcl/Tk references of interest (but
needs to validate many of the links).
http://phaseit.net/claird/comp.lang.tcl/

Years ago, Cetus Links maintained a Tcl/Tk page with verified links
http://www.cetus-links.org/oo_tcl_tk.html

"Yahoo! Groups" archives comp.lang.tcl.announce posts--even
though clta itself is dormant.
http://groups.yahoo.com/group/tcl_announce/

We're working on more useful archives of past installments. Dave
Williams generously is building up
http://www.bacomatic.org/~dw/comp/tclurl/index.htm
and of course Google gives us
http://groups.google.com/groups?oi=djq&as_q=+Tcl-URL&as_ugroup=comp.lang.tcl

Suggestions/corrections for next week's posting are always welcome.

To receive a new issue of this posting in e-mail each Monday, ask
<cla...@phaseit.net> to subscribe. Be sure to mention "Tcl-URL!".
--
Phaseit, Inc. (http://phaseit.net) is pleased to participate in and
sponsor the "Tcl-URL!" project.

Glenn Jackman

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Oct 22, 2008, 3:57:28 PM10/22/08
to
At 2008-10-22 12:08PM, "Cameron Laird" wrote:
[...]

> One of those things ...
> - One of those little programming challenges ... rendering clock time in
> ASCII art: <http://wiki.tcl.tk/21247>
^
|
v
URL should be <http://wiki.tcl.tk/21747>


--
Glenn Jackman
Write a wise saying and your name will live forever. -- Anonymous

Ralf Fassel

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Oct 23, 2008, 4:33:15 AM10/23/08
to
* Cameron Laird <tcl...@phaseit.net>

| - When creating a not so trivial user-interface in Tk, what rules
| should you keep in mind? <http://wiki.tcl.tk/11290> lists a
| few, however personal they may be.

A really interesting one.
Thanks Bryan (assuming you're the original author).

R'

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