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Logical Operators, || or OR?
I remember reading a while back in regards to logical operators that in the case of OR , using || was better than or (or vice versa).
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How to move files from one git repo to another (not a clone), preserving history
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Yep, hitting on the --subdirectory-filter of filter-branch was key. The fact that you used it essentially proves there's no easier way - you had no choice but to rewrite history, since you wanted to end up with only a (renamed) subset of the files, ...
onSaveInstanceState () and onRestoreInstanceState ()
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Usually you restore your state in onCreate(). It is possible to restore it in onRestoreInstanceState() as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStart().
Use the put methods to store values in onSaveIns...
Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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How to redirect cin and cout to files?
...ut.txt
}
}
int main()
{
std::ifstream in("in.txt");
std::streambuf *cinbuf = std::cin.rdbuf(); //save old buf
std::cin.rdbuf(in.rdbuf()); //redirect std::cin to in.txt!
std::ofstream out("out.txt");
std::streambuf *coutbuf = std::cout.rdbuf(); //save old buf
std::cout.rd...
Bootstrap right Column on top on mobile view
I have a Bootstrap Page like this:
11 Answers
11
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How to prune local tracking branches that do not exist on remote anymore
With git remote prune origin I can remove the local branches that are not on the remote any more.
31 Answers
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Can a class member function template be virtual?
I have heard that C++ class member function templates can't be virtual. Is this true?
12 Answers
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How to get a subset of a javascript object's properties
Say I have an object:
25 Answers
25
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Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
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