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Convert timedelta to total seconds
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401
Use timedelta.total_seconds().
>>> import datetime
>>> datetime.timedelta(s...
What does (function($) {})(jQuery); mean?
...uted in place. Let's break it down a little.
1. (
2. function(){}
3. )
4. ()
Line 2 is a plain function, wrapped in parenthesis to tell the runtime to return the function to the parent scope, once it's returned the function is executed using line 4, maybe reading through these steps will help
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How to get rspec-2 to give the full trace associated with a test failure?
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244
You must run rspec with -b option to see full backtraces
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How to randomly sort (scramble) an array in Ruby?
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Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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Is generator.next() visible in Python 3?
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414
g.next() has been renamed to g.__next__(). The reason for this is consistency: special methods...
Symfony 2 EntityManager injection in service
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python numpy ValueError: operands could not be broadcast together with shapes
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94
dot is matrix multiplication, but * does something else.
We have two arrays:
X, shape (97,2)
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File content into unix variable with newlines
...{
...> echo $#
...> }
pax> count 1 2 3
3
pax> count a b c d
4
pax> count $x
4
pax> count "$x"
1
Here, the count function simply prints out the number of arguments given. The 1 2 3 and a b c d variants show it in action.
Then we try it with the two variations on the x variable...
Multi-line commands in GHCi
... -> Int
Prelude| addTwo x y = x + y
Prelude| :}
Prelude> addTwo 4 7
11
Note that you can also squeeze this onto one line:
Prelude> let addTwo :: Int -> Int -> Int ; addTwo x y = x + y
You can find out more about interacting with ghci on the Interactive evaluation at the prom...
Where does this come from: -*- coding: utf-8 -*-
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