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Community for opensource projects by Christoph Rüegg
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  • Capture Keyboard Input in WPF

    In case you every need to capture some keyboard input similar to a TextBox but without a TextBox (hence you also want to capture input that - on some keyboard layouts - need a secondary key to type (like % on my layout = Shift+5), but don't care whether the user presses special keys like Shift or...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 05-08-2007

  • Lock down your own .NET Library Assemblies

    Because information about this is actually hard to find (there are loads of samples around about how to demand several rights, but hardly any about locking down your own frameworks & assemblies): I recommend for most cases to start from no rights at all (except execution and some identity permissions...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 03-05-2007

  • C++/CLI: Explicitly Implement Interface Properties

    In case you ever wondered how to explicitly implement interface properties in C++/CLI that collide with an already existing better typed property: It's quite easy, but I didn't find a sample in neither the language specification nor the web. Imagine you have some already existing generic ItemBuilder...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 01-09-2007

  • Strange PowerShell Bug?

    I'm fighting with a strange behavior of the MS PowerShell RC1 , that might be a bug . It's about moving and renaming items with "[" or "]" in the name. Strangely they're simply ignored, sometimes I also get a message that the file does not exist (although I just gathered...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 09-24-2006

  • Email Address Format Myths

    I'm used to enter a unique email address whenever I really have to provide one. Up to some weeks ago I used the "reg.{0}@mydomain.com" pattern, where I replaced "{0}" with a name I associate with the site, often the second level domain part (e.g. "amazon"). I applied...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 09-16-2006

  • Kakuro Combinations

    Enough Sudoku for a while? Try Kakuro ! I've created a small helper table lately, listing what numbers are possible in what condition (dependent on the required sum and the number of fields). You may download it as a PDF (see attachment): I could have evaluated the allowed numbers by hand, but decided...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 08-23-2006

  • Equidistant Letter Sequences und Regular Expressions

    Heute hat mich per WebForm Jemand gefragt ob Wörter aus äquidistante Buchstabensequenzen (ELS) mit regulären Ausdrücken erkannt werden können. Beispielsweise soll geprüft werden, ob das Wort "foo" als ELS im Text "abf1 2o 3bor z32" vorkommt (tut es, mit Intervalllänge 4 (f suchen, dann jeweils 3 Zeichen...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 12-30-2004

  • A C# Framework for Interprocess Synchronization and Communication

    Mit ThreadMessaging.NET habe ich diesen Herbst eine weitere kleine Bibliothek in C# geschrieben (opensource, BSD Lizenz), ein Framework für fortgeschrittene transparente Synchronisation und Kommunikation zwischen verschiedenen Threads und Prozessen (auch über Rechnergrenzen hinweg) in der .NET Welt,...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 09-30-2004

  • Bitwise: Binäre Spielchen

    Ich bin hin und wieder erstaunt, wie unbekannt die bitwise Operatoren bei vielen Programmierern doch sind. Gehört hat man davon, vielleicht schon mal einige Beispiele gesehen, doch so richtig verstanden hat man sie doch nicht, selber angewendet sowieso nicht. Desshalb habe ich mich entschieden, diesen...
    Posted to Chris on Computers (Weblog) by Christoph Rüegg on 10-04-2003
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