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how to delete all cookies of my website in php

I'm wondering if I can delete all my website's cookies when a user click on logout, because I used this as function to delete cookies but it isn't work properly: ...
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How to install Boost on Ubuntu

I'm on Ubuntu, and I want to install Boost. I tried with 7 Answers 7 ...
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How do I check OS with a preprocessor directive?

...Unix (Linux, *BSD, Mac OS X) See this related question on some of the pitfalls of using this check. unix __unix __unix__ Mac OS X __APPLE__ __MACH__ Both are defined; checking for either should work. Linux __linux__ linux Obsolete (not POSIX compliant) __linux Obsolete (not POSIX compliant) ...
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What is __pycache__?

...'s files, respectively. As a programmer, you can largely just ignore it... All it does is make your program start a little faster. When your scripts change, they will be recompiled, and if you delete the files or the whole folder and run your program again, they will reappear (unless you specificall...
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Accessing class variables from a list comprehension in the class definition

...ing a newly created local namespace and the original global namespace. (Usually, the suite contains only function definitions.) When the class’s suite finishes execution, its execution frame is discarded but its local namespace is saved. [4] A class object is then created using the inheritance lis...
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How to avoid circular imports in Python? [duplicate]

....py Types of circular import problems Circular import dependencies typically fall into two categories depending on what you're trying to import and where you're using it inside each module. (And whether you're using python 2 or 3). 1. Errors importing modules with circular imports In some cases...
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Delete directory with files in it?

I wonder, what's the easiest way to delete a directory with all its files in it? 33 Answers ...
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what does the __file__ variable mean/do?

I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it. ...
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CMake: Print out all accessible variables in a script

I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts. ...
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What do I use for a max-heap implementation in Python?

... amazed that there IS such a built-in solution in heapq. But then it is totally unreasonable that it is NOT even slightly mentioned at all in the official document! WTF! – RayLuo Apr 21 '15 at 6:48 ...