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The opposite of Intersect()
Intersect can be used to find matches between two collections, like so:
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Java recursive Fibonacci sequence
Please explain this simple code:
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push multiple elements to array
I'm trying to push multiple elements as one array, but getting error
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Best way to add comments in erb
How do we add comments in erb files, if we do not want them to be generated into the html content?
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...ed , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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Why does cURL return error “(23) Failed writing body”?
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This happens when a piped program (e.g. grep) closes the read pipe before the previous program is finished writing the whole page.
In curl "url" | grep -qs foo, as soon as grep has what it wants it will close the read stream from curl. cURL doesn't expect ...
Removing pip's cache?
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edited Dec 21 '17 at 17:06
Brian Burns
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Keep only date part when using pandas.to_datetime
I use pandas.to_datetime to parse the dates in my data. Pandas by default represents the dates with datetime64[ns] even though the dates are all daily only.
I wonder whether there is an elegant/clever way to convert the dates to datetime.date or datetime64[D] so that, when I write the data t...
How do I delete a local repository in git? [duplicate]
I can't find the command. I tried Googling "git 'delete a repository'".
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How to sort an ArrayList?
...(testList);
Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Here is the documentation for Collections.
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