Lego to the rescue

When I write Windows Phone applications, I never find a good position for my phone, especially with the USB cable which tends to make the phone rotate in any direction but the one which is usable. Therefore, I decided this week to build a stand in Lego to always have my phone in a convenient…

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Happy PI Day

Yesterday, I wanted to celebrate PI Day in my own way, so I wrote this little program during breakfast. Today, I investigated a bit and reduce the number of allocations: this version only does 9 buffer allocations to compute PI with 100 digits. #include <iostream>#include <memory>using namespace std; template<int count>class BunchOfDigits {    static const int…

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ListView basics and virtualization concepts

ListView is one of the most important of all XAML controls: not only is it used in almost all Windows and Windows Phone applications, but it is a rich control with many possibilities… and therefore also many possibilities for the application developer to make mistakes which will kill application performance as ListView is generally used…

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Techdays 2012

 On February 8th, I’ll have the pleasure and honor to deliver a talk about “modern C++” with Christophe Pichaud (http://www.windowscpp.net/) during French Techdays 2012. This is only a 200-level session which targets developers and architects like me who know C++ but haven’t been following C++ news carefully for several years, typically because of lack of…

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Couldn’t buy Windows Phone 7 Application : error c101c401

Some time ago, I tried to buy an application from my Windows Phone 7 device and got an “Try again later” error message with code c101c401.I also tried to buy the same application from my Zune desktop but it failed too, with no details this time. After calling Zune support, I finally got the solution…

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Want to try Silverlight 5 without changing your VS 2010 / SL 4 config ? Use Wiki-OS

Wiki-OS now supports Silverlight 5 ! There is even a application category to help you find current SL 5 applications : As of today, the two only samples available are two 3D applications, one of them being a Rubik’s Cube I initially wrote for Windows Phone 7 (but never tried to publish). Note : if…

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IE 9 helped me find a bug…

I have been using a homemade Internet explorer band to track ebay auctions in IE (mostly dedicated chess computers and calculators) and this band (based on a windows form) has been working fine in several versions of IE. Yesterday, I installed IE9 and oops, my band did not show anymore 🙁 After a small debugging…

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Article d’introduction à Windows Identity Foundation dans le dernier Programmez!

Windows Identity Foundation est un ensemble de bibliothèques .NET facilitant la gestion de la  fédération d’identité dans les sites asp.net. Le dernier numéro de Programmez! (139) contient un petit article que j’ai écrit cet automne sur cette technologie très intéressante. Pour en savoir plus, rendez-vous en kiosque.  

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Restoring VS 2010 Dialogs

Two weeks ago, I installed Windows 7 x64 and VS 2010 on my new Lenovo laptop. A few days later, VS2010 “Open Project” and “Add Reference” dialogs did not open anymore ! I still could create new projects as well as open existing ones from the shell but it was really painful to use. Expression…

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I wish I could assist to Mix 10

Cool sessions, cool tools : http://live.visitmix.com/News/Exclusive-Windows-Phone-7-Series-Offer-for-MIX10-Attendees-WP7    

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