Muhammad Adel

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السلام عليكم from MSDN Session identifiers for abandoned or expired sessions are recycled by default. That is, if a request is made that includes the session identifier for an expired or abandoned session, a new session is started using the same session identi…

السلام عليكم in the database, make a unique constraint on the two fields together

السلام عليكم You can see wxWidgets which is a cross platform open source C++ GUI library. It is managed ( which means that you will not have to wory about memory allocation) and the code you write works on winodws, Linux, unix, Mac, etc. But as most open sourc…

السلام عليكم 1-An operating system that run multiple modules that are all separted from each other- this is the meaning of a modular OS or application- requires managment of resources ( such as processor, RAM, Buses, etc) between modules which run on multiple …

السلام عليكم To optimize your application, you have to profile it to know the methods that has a slow execution and then optimize it or change it. To do this you use a category of applications called profilers. A profiler tells how many numbers each method is …

السلام عليكم MCAD is going to be replace soon be new certificates from Microsoft. The new certificates are beta now. As soon as you start studying the MCAD you will find that it is not available any more. http://www.microsoft.com/learning/mcp/newgen/

السلام عليكم GLSL is part of OpenGL 2.0 specifications, so I guess it would not be suported. بالنسبة للضجة فهي علي المنتديات التي عادة لا تكون لمبرمجي الجرافكس، و التي لا يستطيع الكثير من اعضاءها تحليل و فهم الموضوعات التقنية. علي سبيل المثال لا توجد ضجة مماثل…

السلام عليكم Windows is the very famous example of a non-modular operating system. http://www.tnl.net/blog/entry/Modular_by_Design_-_Software http://www.osnews.com/story.php?news_id=2084

السلام عليكم Windows is not a modular operating system. It has a lot of components such as IIS and IE that are deeply hooked to the operationg system. Modularity has its advantages and disadvantages, as any design choice do. Advantages: 1-The system is extensi…

السلام عليكم In windows vista, ordinary winodws applications will have 3D rendering features. This means that the desktop will be a fullscreen directX application. If you write a game that run in a window , you have to write it in directX or if you write it in…

السلام عليكم 1-In directX, not all the rendering is done in software, just the transform and lightinging operations can be done in software or hardware. All other operations are done in hardware only. For OpenGL, the VGA driver decides whether to use software …

السلام عليكم It is difficult to track the number of calls for a recursive function, because the recursion stops based on a condition which is evaluated at runtime often based on user's input. You can only know how many times the function is called at runtime, …

These are replies to your comments: char first [] = "abCDeFGhijKL" , second [ ] = "12a3b4e56hij789" , target [ 20 ], * pFirst = first , * pSecond = second, * pTempSecond , * pTarget = target; it didn't copy the arrays, it took the pointer to the first element …

LEFT TO RIGHT I would like to add the following point: The C++ compiler has an optimization backend which doesn't exist for C#. This means that if you write only pure .NET code on C++ it will be faster than C#.

What you say is true. multithreading have two main uses: 1-Increasing performance, and this is only if you have multiple processors, where you divide the processing task among the processors by using multiple threads. 2-Increase the responsiblilty of your appl…

Abort is dangerous if called by external thread. But if the the thread calls abort for itself, then it is safe. Abort is important because it triggers the garbage collection to remove unused objects created by this thread.If you don't call abort while you are …

There are two ways for rendering videos in games 1-Non-Real time rendering of video: The video is rendered using any graphics design and rendering program such as 3D studio max or maya, and saved as a movie file (avi , mpeg, etc) and it is displayed in the gam…

The ordinary old directx is based on COM. COM's memory managment is based on reference counting, where you have to delete COM objects manually when you are not needing them any more by calling Release(). This applies to directx Objects too, which are COM objec…

نقلا من MSDN: Access to Windows Forms controls is not inherently thread safe. If you have two or more threads manipulating the state of a control, it is possible to force the control into an inconsistent state. Other thread-related bugs are possible as well, i…