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I am a big believer in owning things. I don’t license my TV for use, and I don’t license my car for use. I also think that when you pay for software, that you are buying a copy of it, not buying a license to use it. If…
Continue readingThe AutoResponder, described in more detail here, is a program, a set of web pages, and some scripts, that automatically respond to email and SMS text messages. I wrote the AutoResponder a few years ago for a puzzle race. During a race, it is handy for teams to…
Continue readingI did a search to find out how to change my browser control background. I’m using the Windows Phone 8 SDK and the WebBrowser control. The reference that I found on this subject seemed to be related to the flicker that shows up when the page is displayed…
Continue readingI updated the geometric constructions page to have a circle intersection demo. Circle Intersection Demo I also added a few links to see the HTML/PHP code for the page as well as the javascript for the page. PHP is nice enough to supply a function for displaying the…
Continue readingThe latest version of Linkage 2 is available here. New or Different The arrow keys will now step the simulation forwards and backwards. The old [ and ] keys still work. Holding the shift key while pressing a left or right arrow will step the simulation 10 steps…
Continue readingI discovered that my code was using the screen zoom in one of the DXF export calculations, and that the math used to guess at a good connector radius was not quite right. After fixing those two issues, I also made a change to improve the solid link…
Continue readingThe Linkage program is showing a really weird bug. Bug In the picture, it is obvious that the dotted line that is the arc between two connectors A & C, is not passing through the sliding connector D. This gets worse with time until the triangle shaped link…
Continue readingI love computer games. I try to deny it, but I love them. In a computer game, you can do things that are impossible in real life or even in any non-computer game. In a computer game, you can build an empire, kill lots of bad guys, explore…
Continue readingUPDATE December 30, 2015: I made a new and improved version of the progress ring control. The code is not shown below – that is older code – but you can get a complete Visual Studio project by downloading this zip file: http://www.rectorsquid.com/CircleprogressRing.zip Here’s a picture of the…
Continue readingI remembered seeing a clock app in the Petzold book, and I needed to make a spinning “I’m working…” indicator. It’s a fairly good book, although I’ve only read a small bit of it. So I looked back in it and found the clock app. It’s a nice…
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