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What is an idempotent operation?
...ome incorrect and misleading examples. Comments below written before April 2014 refer to an older revision.
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Changed GitHub password, no longer able to push back to the remote
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edited Jun 20 at 9:12
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answered Aug 17 '15 at 19:29
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How to list all tags that contain a commit?
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ImportError: no module named win32api
I am using Python 2.7 and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
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Select by partial string from a pandas DataFrame
I have a DataFrame with 4 columns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
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Rails: how do I validate that something is a boolean?
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Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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How to create byte array from HttpPostedFile
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Use a BinaryReader object to return a byte array from the stream like:
byte[] fileData = null...
Recreating a Dictionary from an IEnumerable
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Center image horizontally within a div
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How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
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