Ioannis Panagopoulos blog

Tutorials on HTML5, Javascript, WinRT and .NET

I am in Teched2009 - Berlin

by Ioannis Panagopoulos
I am happy to announce that this year I am attending Teched 2009. As soon as the conference ends, I wil write some posts with my view of the TechEd world. So stay tuned !

Timers in WPF

by Ioannis Panagopoulos
There are times when you need a  task to execute periodically. There are two ways of achieving this: Use the System.Windows.Threading.DispatcherTimer Use the System.Threading.Timer Say now that you want to implement a class the executes DoSomething() periodically and also in... [More]

CAPTCHA design and implementation

by Ioannis Panagopoulos
In my first blogging days, I received a comment for a post saying how wonderful and special the thing I did was. I was thrilled! Then I received 5 more comments with exactly the same sentence and then 5 more and I realized that this was my first encounter with comment spamming. In order to avoid th... [More]
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