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print call stack in C or C++
...ch is ugly and might be slow if your are taking too many traces.
demangles by default
Boost is header only, so no need to modify your build system most likely
boost_stacktrace.cpp
#include <iostream>
#define BOOST_STACKTRACE_USE_ADDR2LINE
#include <boost/stacktrace.hpp>
void my_func...
Default template arguments for function templates
...= Comp()) {
...
}
C++0x introduces them to C++. See this defect report by Bjarne Stroustrup: Default Template Arguments for Function Templates and what he says
The prohibition of default template arguments for function templates is a misbegotten remnant of the time where freestanding functio...
compilation warning: no rule to process file for architecture i386
...r in the build phases (when it's not supposed to) because the .m file has (by mistake) a different name.
– Ali
Oct 11 '13 at 15:07
...
Convert a positive number to negative in C#
...l, so a unary minus is the right operator. On the other hand, multiplying by negative one is just a trick to negate a value.
– Steven Sudit
Aug 28 '09 at 19:30
38
...
Set transparent background of an imageview on Android
... @LuisA.Florit I found this link where you need to multiply by 0.4(40/100) to your RGB value. Not sure if this is helpful but you can give it a try. forums.esri.com/Thread.asp?c=93&f=1730&t=223940
– Harshad
Jan 14 '13 at 12:30
...
Is it possible for a unit test to assert that a method calls sys.exit()
...which is set to the proposed exit status, and the context manager returned by assertRaises has the caught exception instance as exception, so checking the exit status is easy:
with self.assertRaises(SystemExit) as cm:
your_method()
self.assertEqual(cm.exception.code, 1)
sys.exit Document...
How can I recursively find all files in current and subfolders based on wildcard matching?
...cases, I have needed the -L parameter to handle symbolic directory links. By default symbolic links are ignored. In those cases it was quite confusing as I would change directory to a sub-directory and see the file matching the pattern but find would not return the filename. Using -L solves that ...
How to clear the cache in NetBeans
...
Based on the nightmare errors I have solved by cleaning this cache, I'd say a big red "Clear Cache" button is required, along with the tooltip "In case all else fails".
– Atorian
Aug 17 '14 at 11:56
...
Why should I implement ICloneable in c#?
...
The ICloneable interface by itself isn't very useful, which is to say that there really aren't many situations where it's useful to know that an object is cloneable without knowing anything else about it. This is a very different situation from e.g....
Checking images for similarity with OpenCV
...atching identical images ( same size/orientation )
// Compare two images by getting the L2 error (square-root of sum of squared error).
double getSimilarity( const Mat A, const Mat B ) {
if ( A.rows > 0 && A.rows == B.rows && A.cols > 0 && A.cols == B.cols ) {
// ...