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Safely override C++ virtual functions
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Since g++ 4.7 it does understand the new C++11 override keyword:
class child : public parent {
public:
// force handle_event to override a existing function in parent
// error out if the function with the correct signature does not exist
void ...
Comparison of C++ unit test frameworks [closed]
I know there are already a few questions regarding recommendations for C++ unit test frameworks, but all the answers did not help as they just recommend one of the frameworks but do not provide any information about a (feature) comparison.
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How to find memory leak in a C++ code/project?
I am a C++ programmer on the Windows platform. I am using Visual Studio 2008.
19 Answers
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What modern C++ libraries should be in my toolbox? [closed]
I've been out of the C++ game for about 10 years and I want to get back in and start on a commercial app. What libraries are in use these days?
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How do I activate C++ 11 in CMake?
...11() at the top of any CMakeLists.txt file that defines a target that uses C++11.
CMake issue #15943 for clang users targeting macOS
If you are using CMake and clang to target macOS there is a bug that can cause the CMAKE_CXX_STANDARD feature to simply not work (not add any compiler flags). Make ...
Solution for “Fatal error: Maximum function nesting level of '100' reached, aborting!” in PHP
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Another solution is to add xdebug.max_nesting_level = 200 in your php.ini
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performing HTTP requests with cURL (using PROXY)
... I get above error when I run this command: curl -x, --proxy 122.72.2.200:80 mysite.com/test.php?id=1
– user873286
Feb 27 '12 at 22:52
63
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GCC dump preprocessor defines
... -c.
Example (outputs them to stdout):
gcc -dM -E - < /dev/null
For C++
g++ -dM -E -x c++ - < /dev/null
From the gcc manual:
Instead of the normal output, generate
a list of `#define' directives for all
the macros defined during the
execution of the preprocessor,
including ...
How to write a multidimensional array to a text file?
...uired, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10))
np.savetxt('test.txt', x)
One workaround is just to break the 3D (or greater) array into 2D slices. E.g.
x = np.arange(200).reshape((4,5,10))
with open('test.txt', 'w') as outfile:
for slice_2d in ...
How to make a variadic macro (variable number of arguments)
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C99 way, also supported by VC++ compiler.
#define FOO(fmt, ...) printf(fmt, ##__VA_ARGS__)
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