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How to use enums as flags in C++?
...efine bit operators for the enum, as:
enum AnimalFlags
{
HasClaws = 1,
CanFly = 2,
EatsFish = 4,
Endangered = 8
};
inline AnimalFlags operator|(AnimalFlags a, AnimalFlags b)
{
return static_cast<AnimalFlags>(static_cast<int>(a) | static_cast<int>(b));
...
Return first N key:value pairs from dict
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Is multiplication and division using shift operators in C actually faster?
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How do I sort an observable collection?
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Sorting an observable and returning the same object sorted can be done using an extension method...
sh: 0: getcwd() failed: No such file or directory on cited drive
I am trying to compile ARM code in Ubuntu 12.
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Slowing speed of Viewpager controller in android
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UIPanGestureRecognizer - Only vertical or horizontal
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214
Just do this for the vertical pan gesture recognizer, it works for me:
- (BOOL)gestureRecogniz...
What is the difference between const_iterator and non-const iterator in the C++ STL?
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126
const_iterators don't allow you to change the values that they point to, regular iterators do....
Multiple left-hand assignment with JavaScript
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Actually,
var var1 = 1, var2 = 1, var3 = 1;
is not equivalent to:
var var1 = var2 = var3 = 1;
The difference is in scoping:
function good() {
var var1 = 1, var2 = 1, var3 = 1;
}
function bad() {
var var1 = var2 = var3 = 1;...