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Escape regex special characters in a Python string

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How to pip install a package with min and max version range?

...pip requirements files. See the full details on version specifiers in PEP 440. share | improve this answer | follow | ...
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fork() branches more than expected?

... 245 The fork() primitive often stretches the imagination. Until you get a feel for it, you should ...
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How to avoid warning when introducing NAs by coercion

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Appropriate datatype for holding percent values?

...ent (e.g. 100.00% stored as 1.0000), I would store the data in a decimal(5,4) data type with a CHECK constraint that ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is s...
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Search and Replace with RegEx components in Atom editor

... | edited Dec 5 '14 at 9:26 wintermeyer 7,19866 gold badges3131 silver badges6464 bronze badges ...
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What do you call the -> operator in Ruby?

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How to use the 'sweep' function

...o the 2nd, etc. of the matrix you defined, you will do: sweep (M, 1, c(1: 4), "+") I frankly did not understand the definition in the R documentation either, I just learned by looking up examples. share | ...
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Get item in the list in Scala?

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Select every Nth element in CSS

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