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Iterate keys in a C++ map
...>
int main()
{
std::map<std::string, int> myMap;
myMap["one"] = 1;
myMap["two"] = 2;
myMap["three"] = 3;
for ( const auto &myPair : myMap ) {
std::cout << myPair.first << "\n";
}
}
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Giving UIView rounded corners
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Note that property only exists in iPhone 3.0, not earlier versions.
– Kendall Helmstetter Gelner
Oct 2 '09 at 19:26
5
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Explain the concept of a stack frame in a nutshell
...stack and what are stack parts:
Allocation of the stack :
Remember one thing: if any function's return condition gets satisfied, no matter it has loaded the local variables or not, it will immediately return from stack with it's stack frame. It means that whenever any recursive function get ...
Why does changing the sum order returns a different result?
... In IEEE floating point representation, bits 2-12 represent the binary exponent, that is, the scale of the number. (The first bit is the sign bit, and the remaining bits for the mantissa.) The exponent represented is actually the binary number minus 1023.
The exponents for the first 4 numbers are...
REST API Token-based Authentication
...e authentication itself occurs via an external webservice over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question:
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What does collation mean?
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Besides the "accented letters are sorted differently than unaccented ones" in some Western European languages, you must take into account the groups of letters, which sometimes are sorted differently, also.
Traditionally, in Spanish, "ch" was considered a letter in its own right, same with "l...
how to convert array values from string to int?
...r solution with (int). see Method 3 here
– Fabian Picone
Apr 19 '16 at 7:24
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show 2 more comments
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Smooth GPS data
...e best estimate of current location is the last known location, and if someone is moving it should be possible to use Android's sensors to produce a better estimate. The code has a single free parameter Q, expressed in metres per second, which describes how quickly the accuracy decays in the absenc...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...e loss of distinguishability. By taking average of red green and blue with one color such as white, naturally all colors move closer to white and reduce the differences between them. For example if you look at the first screenshot: When those greens are next to each other, surely I can distinguish t...
Using Pairs or 2-tuples in Java [duplicate]
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I don't think there is a general purpose tuple class in Java but a custom one might be as easy as the following:
public class Tuple<X, Y> {
public final X x;
public final Y y;
public Tuple(X x, Y y) {
this.x = x;
this.y = y;
}
}
Of course, there are some important i...