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Exporting functions from a DLL with dllexport

...ain C exports, use a C project not C++. C++ DLLs rely on name-mangling for all the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC. If you ...
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Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)

... achieved.) it's not clean to add static files into the app root folder finally, the proposed solution looks much cleaner than the adding middleware approach: share | improve this answer |...
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How do I check if a string is a number (float)?

...r. I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames. The issue is that any numeric conversion function has two kin...
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How to avoid explicit 'self' in Python?

...s leads to useful properties, such as: you can't add members which accidentally shadow non-members and thereby break code. One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not: class A(some_fu...
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Log exception with traceback

... log file ERROR:root:Got exception on main handler Traceback (most recent call last): File "/tmp/teste.py", line 9, in <module> run_my_stuff() NameError: name 'run_my_stuff' is not defined share | ...
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Python multiprocessing pool.map for multiple arguments

...rmap method, which accepts a sequence of argument tuples. It then automatically unpacks the arguments from each tuple and passes them to the given function: import multiprocessing from itertools import product def merge_names(a, b): return '{} & {}'.format(a, b) if __name__ == '__main__':...
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How do I find where an exception was thrown in C++?

I have a program that throws an uncaught exception somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated. ...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...ing. You should not rely on unauthenticated encryption for security, especially since the code as provided is vulnerable to padding oracle attacks. See also: https://stackoverflow.com/a/30189841/2224584 https://stackoverflow.com/a/30166085/2224584 https://stackoverflow.com/a/30159120/2224584 Al...
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What is the advantage of GCC's __builtin_expect in if else statements?

... I guess it should be something like: cmp $x, 0 jne _foo _bar: call bar ... jmp after_if _foo: call foo ... after_if: You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU ...
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What exactly does Perl's “bless” do?

...to a hash (most common case), to an array (not so common), to a scalar (usually this indicates an inside-out object), to a regular expression, subroutine or TYPEGLOB (see the book Object Oriented Perl: A Comprehensive Guide to Concepts and Programming Techniques by Damian Conway for useful examples)...