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Logical operators for boolean indexing in Pandas
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How many GCC optimization levels are there?
...n level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be t...
What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
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/Users/{user}/Library/Application Support/Sublime Text 2/Packages
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Array initializing in Scala
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scala> val arr = Array("Hello","World")
arr: Array[java.lang.String] = Array(Hello, World)
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How do you know when to use fold-left and when to use fold-right?
... you use a left fold. Example (haskell-style pseudocode)
foldl (-) [1, 2, 3] == (1 - 2) - 3 == 1 - 2 - 3 // - is left-associative
If your operator is right-associative (right fold), the parentheses would be set like this:
A x (B x (C x D))
Example: Cons-Operator
foldr (:) [] [1, 2, 3] == 1 : ...
Type hinting a collection of a specified type
Using Python 3's function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in PyCharm and other IDEs?
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Process all arguments except the first one (in a bash script)
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edited May 23 '17 at 10:31
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answered Jan 29 '12 at 22:32
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How to edit one specific row in Microsoft SQL Server Management Studio 2008?
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