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How do I get indices of N maximum values in a NumPy array?
...ten equivalently as arr.argsort()[-1:-4:-1]? I've tried it in interpreter and it comes up with the same result, but I'm wondering if it's not broken by some example.
– abroekhof
Sep 20 '12 at 9:05
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List comprehension on a nested list?
... answered Aug 6 '13 at 6:05
Andrew ClarkAndrew Clark
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Ruby, !! operator (a/k/a the double-bang) [duplicate]
...including Ruby, ! will return the opposite of the boolean value of the operand. So when you chain two exclamation marks together, it converts the value to a boolean.
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How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
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C++ performance challenge: integer to std::string conversion
...e very fast, can take 100 clockticks when linking CRT as a static library, and as much as 300 clockticks when linking as a DLL.
For the same reason, returning by reference is better because it avoids an assignment, a constructor and a destructor.
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
.... Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
25 Answers
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How do you add a Dictionary of items into another Dictionary
...for this, I tried everything except this. But you can drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay.
– Roland
Jun 9 '14 at 12:02
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Listing all permutations of a string/integer
...from my experience of interviews though) is to take a string or an integer and list every possible permutation.
28 Answers
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How to sort a HashMap in Java [duplicate]
... into a HashMap<TreeSet<Person>>, though the semantics of sets and lists are a bit different.
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Use of exit() function
I want to know how and when can I use the exit() function like the program in my book:
13 Answers
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