Dr. Dobb's Tcl-URL! - weekly Tcl news and links (Apr 4)

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Cameron Laird

Apr 22, 2005, 6:52:56 PM4/22/05
QOTW: "instproc makes me think that all you have to do is add water
to watch it sprout to life." -- David N. Welton

"PowerPoint is a distraction. People use it when they don't know what to
say." -- Cristian Arcega, one of the undocumented West Phoenix teenagers
whose Stinky underwater robot beat MIT et al. in the third annual Marine
Advanced Technology Education Center's Remotely Operated Vehicle Competition

POTW: "TclMixer ... allows ... play [of] multiple sounds at the same time
using built-in software ..."

Miguel Sofer expands on {expand}'s ability to save brainwaves.
For the particular case of [listbox]es, Gerald Lester remembers
that -listvariable can be even a better fit.

Would a Tcl-aware Eclipse matter? Maybe yes, maybe no; in any case,
there's more than one way for Tcl and Eclipse to get along, and there's
more than one way to have an IDE and/or syntax-(partially-)aware
editing for Tcl source.

What does "copy protection" involve? Much wisdom appears in this thread.

Thanks to Arjen Markus for his report from the Wiki(s):
The Wiki is a great place for watching some of the trends in the
Tcl community - this week we have a lot of attention for the "functional
programming" style :)

Functional programming:
- Composing functions revisited: Richard Suchenwirth minimises the
way to do that in Tcl - <http://wiki.tcl.tk/2755>

- You remember your first steps in multiplication? 1 x 1 = 1, ...
Too simple? No, watch the master of minimalism at

- To Apply a function to each item in a list and thereby to
get a new one - tis a consommation functionally to be wished
- <http://wiki.tcl.tk/13920>

- Beyond the confines of functional programming lies the world
where a program writes a program ... and that is
called genetic programming - <http://wiki.tcl.tk/13928>

Just plain old problems and their solutions:
- Encodings cause a problem at the C level ... or on the Tcl
level - anyway: <http://wiki.tcl.tk/13917> if you want to
solve this puzzle.

- Pastel colours can be picked via the HLS model for defining
colours ... <http://wiki.tcl.tk/10330>

- Do you have problems with floating-point numbers that are too
big or too small, but you do not care about precision beyond
the 12 digits offered by Tcl? <http://wiki.tcl.tk/12923>
is the answer!

Carpe diem:
- Let us never ever forget: To Have Fun With Tcl -

- A good tutorial makes an immense difference to beginners.
Tcl's are slowly improving.

Everything Tcl-related you want is probably one or two clicks away in these
The "Welcome to comp.lang.tcl" message by Andreas Kupries

The Tcl Developer Site is Tcl's "home base".

Larry Virden maintains a comp.lang.tcl FAQ launcher.

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:
The TDX sponsor, ActiveState, also keeps info to convince your
boss Tcl is a good thing

The Tcl'ers Wiki is a huge, dynamic, collaboratively edited repository
of documentation, examples, tutorials and pontifications on all things
For the ideal overview of the topics about Tcl most likely to
interest a newcomer, see "Arts and Crafts ..."

ActiveState maintains binaries distribution and development tools
along with a Cookbook of Tcl recipes

deli.cio.us presents an intriguing approach to reference commentary.
It already aggregates quite a bit of Tcl intelligence.

Cameron Laird tracks several Tcl/Tk references of interest

Cetus Links maintains a Tcl/Tk page with verified links

"Yahoo! Groups" archives comp.lang.tcl.announce posts

Previous - (U)se the (R)esource, (L)uke! - messages are listed here:
An alternative is

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

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