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1480 - Next course - 7th January 2008, Regular Expressions
Yesterday afternoon ... I finished my training for 2007, and I'm now looking forward to two weeks of days with a different metric. Don't get me wrong - I utterly enjoy the training but all sorts of things have been stacking up to attend to including personal time. So it's not "quiet" but rather "di ....

1479 - FSB leaves its members feeling like mushrooms
"I feel like I've been treated like a mushroom - kept in the dark and fed a load of sh*t". So said one of the members at the start of Tuesday's already delayed AGM of the North and West Wilts Branch of the Federation of Small Businesses. I can totally understand those feelings - for the members, ....

1478 - Some new C programming examples - files, structs, unions etc
A series of new "C" examples have been added to the web site - a course for a small group allowed me to go somewhat away from the more normal run yesterday and write some new illustrations in front of them. Call by value v call by pointer comparison: link Using extern to share a variable between t ....

1477 - Decisions - small ones, or big ones?
When you're traveling, you'll sometimes come to a point at which you make a decision - to go one way or to go another. Sometimes the decision is a small one - for example, if I'm driving through Marlborough there's a choice of the town centre or the road around the back; whichever I take, they come ....

1476 - Shopping for Christmas and looking forward
It's mid December and we're back from a record shopping session at Tesco. Life has been just so busy of late that we haven't had the time to do replenish our supplies of tins and packets and the meals we've been having have been more weird, more wonderful, and more eaten-out or take-away than I car ....

1475 - Tcl/Tk - updating your display while tasks are running
Let me make two statements: 1. When you are popping up a new window from your program, the very last thing you want to see happen is for the window to gradually appear, with bits of it being resized as it comes on the screen - not only is such an operation irritating on the eye, but also it's burni ....

1474 - Using Tcl/Tk resource files for flexible applications
If you're looking to write a Tcl/Tk application that can be flexibly configured, don't forget to use named resources. Here are two displays from the same program: So - how did I get the difference in colour and text labels? 1. I drew the buttons WITHOUT ANY TEXT AT ALL, and I did NOT specify a ba ....

1473 - Making a variable dynamically visible in a Tcl/Tk GUI
set bill "and Ben" label .about -textvariable bill button .first -text "First" -command {set bill Bradshaw} button .second -text "Second" -command {set bill Bailey} button .done -text quit -command exit pack .about .first .second .done Tcl/Tk's -textvariable option, on commands like label and butto ....

1472 - The Horse goes on and on
The number of blogs that I have seen come, and go .... and yet "The Horse's Mouth" carries on. I don't know how many posts I've made exactly, but it's approaching 1500. Why the difference? I suspect it's because many blogs don't have a long-term purpose and so the blogger starts off with a fit o ....

1471 - Cliff Lift simulator- Lynton to Lynmouth - in Tcl/Tk
In Tk, you can use the variable option to a slider and the textvariable option to a label or button (or some other widgets) to 'project' the value of a variable onto the display - either changing the text on a button, or moving a slider automatically when some value changes otherwise within the code ....

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