TCL
in [Programming]
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Check if a variable is a number Dear All, I am having a headache about checking if a variable is a number (floating, double, and integer. Anything that is a numerical value). If I use if { [string is alnum "$_var1"] != 1} The strings like " " or " " (all blanks) will pass the test, giving So, is there a simple command... 10 Mar 2010 14:11
bidirectional pipe question Hi, I am using a bidirectional pipe to filter data through a Unix command, but for some commands it hangs forever. I suspect that the command is waiting for an EOF on the input side before sending output, and I can't figure how to force this. Thankfully the command I need to invoke knows when to respond, but ... 10 Mar 2010 17:33
TkPath maintainer? Hi All, In the past, I had a project I was developing around TkPath. After the untimely loss of Mats B., I moved away from TkPath as I assumed the project would rot from lack of a maintainer. However, I see it mentioned from time to time here and wonder if someone else has picked up the project? Looking a... 11 Mar 2010 05:38
Tell if command was invoked from menu or button? Is there a way to tell if a Tk command was invoked from a menu item or from a button? I'm seeing inconsistent behavior in a widget/dialog package I maintain; the dialog is drawn with different window geometry depending on whether it was called from a menu or a toolbar button. I can't quite figure out what the i... 10 Mar 2010 23:06
How to detect begin and end of a resize operation Hello out there, I need to detect when resizing my toplevel is about to start (and when its over as well). I can detect <Configure>, but that's a bit late (size already changed a bit) and - much worse - it doesn't tell me when resizing ended. I tried - detecting button clicks, but the one starting the resize ope... 10 Mar 2010 11:55
ICNAAM 2010 Mini-Symposium on Computational Bioimaging and Visualization Dear Colleague, Within the ICNAAM 2010 - 8th International Conference of Numerical Analysis and Applied Mathematics (http://www.icnaam.org), to be held in Rhodes, Greece, on 19-25 September 2010, we are organizing the Mini- Symposium on Computational Bioimaging and Visualization. Due to your research activitie... 10 Mar 2010 09:40
8.5 fixed width fonts Dear all, Starting with the 8.5, using courier font in a text widget gives me some not fixed width text. What happened? here is a screenshot of the problem: http://yfrog.com/4jscreenshot20100310at132p Thanks a lot ... 10 Mar 2010 10:47
json tcllib package needed improvements On Mar 9, 5:17 pm, Bezoar <cwjo...(a)gmail.com> wrote: I am trying to parse a json reply from a web server so I naturally used the tcllib json package. My first order of business was to see what keys were needed to access the data I wanted. I wrote a proc to recurse into the dict and it fails. The first probl... 9 Mar 2010 21:29
iso: iwidgets 4.0.2 and megawidgets needing multiple updates Well, a still more recent email from the developer is interesting. Turns out that he just checked against tcl/tk 8.4.7 and was getting similar behavior without all the updates. However, it was still iwidgets 4.0.2 . ... 9 Mar 2010 14:37
iso: tcl/tk 8.5.4 or so developers using iwidgets A developer contacted me this week with this peculiar siutation. The environment is software running on sparc solaris 10 systems and the gnome environment, displaying back to windows xp (running hummingbird x server) and the VirtuaWin desktop. About 3 weeks ago, he began seeing this: --- All of a sudden, widg... 9 Mar 2010 14:37 |