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Unpacking, extended unpacking and nested extended unpacking
...et's see how it works for a slightly more complex example:
(a,b), c, = [1,2],'this' # a = '1', b = '2', c = 'this'
Applying the above rules, we get
((a, b), c) = ((1, 2), ('t', 'h', 'i', 's'))
But now it's clear from the structure that 'this' won't be unpacked, but assigned directl...
Regular expression to return text between parenthesis
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258
If your problem is really just this simple, you don't need regex:
s[s.find("(")+1:s.find(")")...
Regex to validate date format dd/mm/yyyy
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20 Answers
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Two versions of python on linux. how to make 2.7 the default
...ed by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?
On top of that, monkeying with /usr/bin can break your package manager's ability to manage packages. And changing the order of directories in your PATH will affect a lot of oth...
Running multiple commands in one line in shell
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824
You are using | (pipe) to direct the output of a command into another command. What you are loo...
Multiple linear regression in Python
...ress my dependent variable (y) against several independent variables (x1, x2, x3, etc.).
13 Answers
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Iterating Over Dictionary Key Values Corresponding to List in Python
Working in Python 2.7. I have a dictionary with team names as the keys and the amount of runs scored and allowed for each team as the value list:
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How to use JavaScript variables in jQuery selectors?
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245
var name = this.name;
$("input[name=" + name + "]").hide();
OR you can do something like thi...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...o longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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