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Logic to test that 3 of 4 are True
....7/4) indicates that converting bool to int gives the expected values 0 or 1.
In Java and C#, you can use the following construct:
if ((a?1:0) + (b?1:0) + (c?1:0) + (d?1:0) == 3)
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Python set to list
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Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = set(["Blah", "Hello"])
>>> a = list(a) # You probably wrote a = list(a()) here or list = set() above
>>> a
['Blah', 'Hello']
Check that you didn't overwrite list by accident:
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Generate array of all letters and digits
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145
[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a ...
Disable IntelliJ Starred (Package) Imports?
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315
You can set this setting here.
In IDEA 14+ the sequence is:
Settings > Editor > Code ...
What does 'wb' mean in this code, using Python?
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118
File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you su...
Git flow release branches and tags - with or without “v” prefix
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101
Well, basically it is a matter of preference, but I prefer the version with the v, as Semver d...
ZSH iterm2 increase number of lines history
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edited Apr 27 '17 at 13:37
answered Feb 19 '15 at 14:07
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.prop('checked',false) or .removeAttr('checked')?
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131
jQuery 3
As of jQuery 3, removeAttr does not set the corresponding property to false anymore:
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What are the complexity guarantees of the standard containers?
...; Make an empty vector. O(1)
vector<T> v(n); Make a vector with N elements. O(n)
vector<T> v(n, value); Make a vector with N elements, initialized to value. O(n)
vector<T> v(begin, end); ...
List of lists into numpy array
...nacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
>>><type 'numpy.ndarray'>
type(y[0])
>>><type 'numpy.ndarray'>
2) Make an array of lists:...