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Articles by George Tryfonas (Articles: 3, Tip/Tricks: 2)

Articles: 3, Tip/Tricks: 2

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Average article rating: 4.70

Database

SQL Geometry Viewer
Posted: 7 Sep 2008   Updated: 11 Sep 2008   Views: 33,561   Rating: 4.37/5    Votes: 13   Popularity: 4.87
Licence: The Code Project Open License (CPOL)      Bookmarked: 47   Downloaded: 1,859
An on-screen visualizer for the SQL Geometry type

Algorithms & Recipes

A Simulator for Knuth's MIX Computer
Posted: 2 Feb 2011   Updated: 2 Feb 2011   Views: 16,106   Rating: 4.89/5    Votes: 24   Popularity: 6.75
Licence: The Code Project Open License (CPOL)      Bookmarked: 34   Downloaded: 263
Assembler and Simulator for Don Knuth's MIX Computer from The Art of Computer Programming.

Collections

Observing Changes to an Underlying Array
Posted: 28 Feb 2011   Updated: 28 Feb 2011   Views: 14,362   Rating: 4.83/5    Votes: 13   Popularity: 5.38
Licence: The Code Project Open License (CPOL)      Bookmarked: 8   Downloaded: 103
An ObservableCollection wrapper for an array which notifies the observer about changes to its underlying array
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Average tips rating: 5.00

Algorithms & Recipes

Using bitwise operations to filter results based on user selected filters in javascript [Tip/Trick]
Posted: 26 Jul 2011   Updated: 26 Jul 2011   Views: 840   Rating: 5.00/5    Votes: 2   Popularity: 1.51
Licence: The Code Project Open License (CPOL)      Bookmarked: 1   Downloaded: 0
Not sure I got it correctly... But if I did, here's a simpler solution which doesn't rely on implication. Bitfields are ubiquitous in C programming, they are used to specify flags. If, for instance, your hotel requirements amount to bitfield 01101010 then you can simply AND the bitfield with...

Programming Tips

Catch-all clause in combo box filters for SQL Reporting Services [Tip/Trick]
Posted: 9 Sep 2011   Updated: 3 Oct 2011   Views: 9,580   Rating: 0.0 / 5    Votes: 0   Popularity: 0.0
Licence: The Code Project Open License (CPOL)      Bookmarked: 0   Downloaded: 0
A (hopefully) simple way to implement a wildcard selection in combo box filters for Microsoft SQL Reporting Services

George Tryfonas
Engineer
Greece Greece
Member
I am a software developer (mainly in C# and T-SQL) for a project management company in Athens, Greece. I have been working with computers since early 1987. I am adept at Pascal, C, C++, Java (my MSc was sponsored by Sun Microsystems), Lisp, Scheme, F#, C# VB.Net, Perl and some others that are too obscure to mention. When I want a quick and dirty solution to a programming problem I use a functional language, such as Haskell, Scheme or, more recently, F#.
 
I also play the keyboards and compose music.
 
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MSc Distributed Systems and Networks - University of Kent at Canterbury
BEng Computer Systems Engineering - University of Kent at Canterbury


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