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Avoiding if statement inside a for loop?

...e penalty. The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern. If you are allowed to use C++11, you can do something like this: #include <iostream> #include <set> #include <vector> template <typename Container, ty...
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Reduce, fold or scan (Left/Right)?

... operator's two arguments). This way we can cumulate a result. reduceLeft and reduceRight cumulate a single result. foldLeft and foldRight cumulate a single result using a start value. scanLeft and scanRight cumulate a collection of intermediate cumulative results using a start value. Accumulate...
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Visual Studio 2010 IntelliSense doesn't select a default value - it just marks it

... Try Ctrl-Alt-Space. found that on Connect, and seems to work for me share | improve this answer | follow | ...
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The server principal is not able to access the database under the current security context in SQL Se

...er Management Studio, everything till login is fine but when I use the command use myDatabase it gives me this error: 9 A...
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Efficient evaluation of a function at every cell of a NumPy array

... You could just vectorize the function and then apply it directly to a Numpy array each time you need it: import numpy as np def f(x): return x * x + 3 * x - 2 if x > 0 else x * 5 + 8 f = np.vectorize(f) # or use a different name if you want to keep the...
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Activity has leaked window that was originally added

What is this error, and why does it happen? 40 Answers 40 ...
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“File not found” when running new LibGDX project

...tion will fail the first time. Open the Run Configuration you just created and set the working directory to the android/assets/ directory! link your desktop project to android assets folder? Go to Run => Run Configurations.. => choose DesktopLauncher, Arguments Tab => Working Directory ...
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scanf() leaves the new line char in the buffer

...haracters. The character formats (primarily %c; also scan sets %[…] — and %n) are the exception; they don't skip whitespace. Use " %c" with a leading blank to skip optional white space. Do not use a trailing blank in a scanf() format string. Note that this still doesn't consume any trailing ...
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Remove non-ascii character in string

and i need to remove all non-ascii character from string, 5 Answers 5 ...
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Detecting when the 'back' button is pressed on a navbar

... - (BOOL)isMovingFromParentViewController makes sense when you are pushing and popping controllers in a navigation stack. However, if you are presenting modal view controllers you should use - (BOOL)isBeingDismissed instead: - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:ani...