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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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Does C have a “foreach” loop construct?
Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code?
12 Answer...
Get exit code of a background process
I have a command CMD called from my main bourne shell script that takes forever.
12 Answers
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Count number of matches of a regex in Javascript
I wanted to write a regex to count the number of spaces/tabs/newline in a chunk of text. So I naively wrote the following:-
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Javascript parseInt() with leading zeros
Javascript's parseInt function does not seem to completely work.
7 Answers
7
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Named colors in matplotlib
What named colors are available in matplotlib for use in plots? I can find a list on the matplotlib documentation that claims that these are the only names:
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Cell spacing in UICollectionView
How do I set cell spacing in a section of UICollectionView ? I know there is a property minimumInteritemSpacing I have set it to 5.0 still the spacing is not appearing 5.0. I have implemented the flowout delegate method.
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Selecting a row in DataGridView programmatically
How can I select a particular range of rows in a DataGridView programmatically at runtime?
8 Answers
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How to check if a process id (PID) exists
In a bash script, I want to do the following (in pseudo-code):
10 Answers
10
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How to bind a List to a ComboBox?
I want to connect a BindingSource to a list of class objects and then objects value to a ComboBox.
Can anyone suggest how to do it?
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