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Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 chara...
How to trim a file extension from a String in JavaScript?
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189
If you know the length of the extension, you can use x.slice(0, -4) (where 4 is the three char...
Fixed point vs Floating point number
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146
A fixed point number has a specific number of bits (or digits) reserved for the integer part (...
Stop execution of Ruby script
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103
Either abort or exit will help.
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How to “re-run with -deprecation for details” in sbt?
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217
sbt shell
While in sbt shell (if you don't want to change your build.sbt):
$ sbt
> set sca...
HTTP status code 0 - Error Domain=NSURLErrorDomain?
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12 Answers
12
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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']), (...
jQuery UI slider Touch & Drag/Drop support on Mobile devices
...the script after jQuery ui:
<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script src="http://code.jquery.com/ui/1.8.21/jquery-ui.min.js"></script>
<script src="jquery.ui.touch-punch.min.js"></script>
You can also use cdnjs:
<script typ...
Python : List of dict, if exists increment a dict value, if not append a new dict
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210
That is a very strange way to organize things. If you stored in a dictionary, this is easy:
#...
How to stop app that node.js express 'npm start'
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15 Answers
15
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