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How to get a substring of text?
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246
If you have your text in your_text variable, you can use:
your_text[0..29]
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How to get the index of a maximum element in a numpy array along one axis
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4 Answers
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How do I specify multiple targets in my podfile for my Xcode project?
I'm using CocoaPods with my Xcode 4 project and I have three targets for my project (the default, one for building a lite version and one for building a demo version). All the targets use the same libraries, but CocoaPods is only adding the static library and search paths to the primary target. My p...
Definition of a Balanced Tree
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The constraint is generally applied recursively to every subtree. That is, the tree is only bala...
How to add new item to hash
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pjumblepjumble
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Print commit message of a given commit in git
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347
It's not "plumbing", but it'll do exactly what you want:
$ git log --format=%B -n 1 <commit...
Why does this assert throw a format exception when comparing structures?
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python numpy machine epsilon
... given float type is to use np.finfo():
print(np.finfo(float).eps)
# 2.22044604925e-16
print(np.finfo(np.float32).eps)
# 1.19209e-07
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Adding a new array element to a JSON object
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242
JSON is just a notation; to make the change you want parse it so you can apply the changes to a...
Generate array of all letters and digits
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[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a #...