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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

...y alignment constraints. Data structure alignment impacts both performance and correctness of programs: Mis-aligned access might be a hard error (often SIGBUS). Mis-aligned access might be a soft error. Either corrected in hardware, for a modest performance-degradation. Or corrected by emulation...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute. ...
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How do I add a path to PYTHONPATH in virtualenv

... you can also navigate to your virtual environment's site-packages folder and create a symbolic link to the .pth file like this: ln -s path/to/somfile.pth. I found this useful when I needed the same directory to be accessible in multiple virtual environments – Data-phile ...
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How to convert a String to CharSequence?

...uence. It simply assigns an instance of String to a CharSequence variable, and since String implements the CharSequence interface, the code works. – João Silva Oct 16 '10 at 12:06 ...
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Python list subtraction operation

...set(x) - set(y)) >>> z [0, 8, 2, 4, 6] Or you might just have x and y be sets so you don't have to do any conversions. share | improve this answer | follow ...
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How can I debug my JavaScript code? [closed]

... I like firebug, but I wouldn't claim it to be head and shoulders above webkit's inspector. – Ryan Florence Jun 12 '09 at 19:00 2 ...
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What does “static” mean in C?

...l for cases where a function needs to keep some state between invocations, and you don't want to use global variables. Beware, however, this feature should be used very sparingly - it makes your code not thread-safe and harder to understand. (2) Is used widely as an "access control" feature. If you...
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Rolling median algorithm in C

...ial window of values, then perform a binary search to insert the new value and remove the existing one at each iteration. 1...
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How does @synchronized lock/unlock in Objective-C?

Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then? 5 Answers ...
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How do you input commandline argument in IntelliJ IDEA?

When I input commandline arguments, In Eclipse, using with run configuration. But I don't Know How do i input commandline arguments in IntelliJ IDEA. ...