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Can we have functions inside functions in C++?
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12 Answers
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ROW_NUMBER() in MySQL
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107
I want the row with the single highest col3 for each (col1, col2) pair.
That's a groupwis...
Get the last non-empty cell in a column in Google Sheets
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What does the “|” (single pipe) do in JavaScript?
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159
This is a bitwise or.
Since bitwise operations only make sense on integers, 0.5 is truncated.
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Is it possible to use argsort in descending order?
...ail of the argsort to find the n highest elements:
avgDists.argsort()[::-1][:n]
Both methods are O(n log n) in time complexity, because the argsort call is the dominant term here. But the second approach has a nice advantage: it replaces an O(n) negation of the array with an O(1) slice. If you...
How to know if two arrays have the same values
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function arraysEqual(_arr1, _arr2) {
if (!Array.isArray(_arr1) || ! Array.isArray(_arr2) || _arr1.length !== _arr2.length)
return false;
var arr1 = _arr1.concat().sort();
var arr2 = _arr2.concat().sort();
for (var i = 0; i &l...
How can I add a help method to a shell script?
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here's an example for bash:
usage="$(basename "$0") [-h] [-s n] -- program to calculate the an...
Why does Eclipse complain about @Override on interface methods?
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