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Python Dictionary Comprehension
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>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set...
What does it mean by select 1 from table?
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15 Answers
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Ruby: What is the easiest way to remove the first element from an array?
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11 Answers
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Bubble Sort Homework
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127
To explain why your script isn't working right now, I'll rename the variable unsorted to sorte...
How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is ...
Python creating a dictionary of lists
...s import defaultdict
>>> d = defaultdict(list)
>>> a = ['1', '2']
>>> for i in a:
... for j in range(int(i), int(i) + 2):
... d[j].append(i)
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>>> d
defaultdict(<type 'list'>, {1: ['1'], 2: ['1', '2'], 3: ['2']})
>>> d.items()
[(1, ['1']), (...
Phonegap Cordova installation Windows
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13 Answers
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Calculating frames per second in a game
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19 Answers
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Convert Year/Month/Day to Day of Year in Python
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261
There is a very simple solution:
from datetime import datetime
day_of_year = datetime.now().tim...