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Is there a short contains function for lists?

... keys). Note that this is an O(n) operation in lists and tuples, but an O(1) operation in sets and dicts. share | improve this answer | follow | ...
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What is the difference between LINQ ToDictionary and ToLookup

... 181 A dictionary is a 1:1 map (each key is mapped to a single value), and a dictionary is mutable ...
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How would you count occurrences of a string (actually a char) within a string?

... 1039 If you're using .NET 3.5 you can do this in a one-liner with LINQ: int count = source.Count(...
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Check if list of objects contain an object with a certain attribute value

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How to change legend title in ggplot

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Stash changes while keeping the changes in the working directory in Git

... 163 For what it's worth, another way to do this is to stage the changes you want to keep, and then...
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Are nested HTML comments possible?

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Shell Script: Execute a python program from within a shell script

... | edited Jul 14 '15 at 13:43 ketanbhatt 66855 silver badges1515 bronze badges answered Dec ...
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SQL to find the number of distinct values in a column

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Using usort in php with a class private function

... answered May 19 '11 at 5:08 Demian BrechtDemian Brecht 19.5k33 gold badges3535 silver badges4444 bronze badges ...