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Define preprocessor macro through CMake?
...tions(OPENCV_VERSION=${OpenCV_VERSION})
add_compile_definitions(WITH_OPENCV2)
Or:
add_compile_definitions(OPENCV_VERSION=${OpenCV_VERSION} WITH_OPENCV2)
The good part about this is that it circumvents the shabby trickery CMake has in place for add_definitions. CMake is such a shabby system, but...
Grep for literal strings
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answered Jul 14 '10 at 2:08
Scott StaffordScott Stafford
38.9k2020 gold badges110110 silver badges158158 bronze badges
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Converting of Uri to String
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293
Uri to String
Uri uri;
String stringUri;
stringUri = uri.toString();
String to Uri
Uri uri...
How is this fibonacci-function memoized?
...In normal doubly-recursve Fibonacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where x...
git working on two branches simultaneously
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Git 2.5+ (Q2 2015) supports this feature!
If you have a git repo cool-app, cd to root (cd cool-app), run git worktree add ../cool-app-feature-A feature/A. This checks out the branch feature/A in it's own new dedicated directory,...
What is the correct way of using C++11's range-based for?
...ile.
g++ outputs an error message similar to this:
TestRangeFor.cpp:168:20: error: invalid initialization of non-const reference of
type 'std::_Bit_reference&' from an rvalue of type 'std::_Bit_iterator::referen
ce {aka std::_Bit_reference}'
for (auto& x : v)
^
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Python append() vs. + operator on lists, why do these give different results?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 7 '10 at 16:58
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How to take emulator screenshots using Eclipse?
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292
You can take a screenshot if you open the Android view "devices" (under Window --> Show Vie...
How to get the parents of a merge commit in git?
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