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What are “named tuples” in Python?
Reading the changes in Python 3.1 , I found something... unexpected:
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How to add footnotes to GitHub-flavoured Markdown?
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Obtaining a powerset of a set in Java
The powerset of {1, 2, 3} is:
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How to read/write a boolean when implementing the Parcelable interface?
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How to convert a string of numbers to an array of numbers?
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Is there a NumPy function to return the first index of something in an array?
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Specify custom Date format for colClasses argument in read.table/read.csv
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You can write your own function that accepts a string and converts it to a Date using the form...
Uninstall / remove a Homebrew package including all its dependencies
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Is it possible for a unit test to assert that a method calls sys.exit()
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Yes. sys.exit raises SystemExit, so you can check it with assertRaises:
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How to undo 'git reset'?
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Short answer:
git reset 'HEAD@{1}'
Long answer:
Git keeps a log of all ref updates (e.g., checkout, reset, commit, merge). You can view it by typing:
git reflog
Somewhere in this list is the commit that you lost. Let's say you just typed git reset HE...