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How do I schedule jobs in Jenkins?
I added a new job in Jenkins, which I want to schedule periodically.
10 Answers
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Convert two lists into a dictionary
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Like this:
>>> keys = ['a', 'b', 'c']
>>> values = [1, 2, 3]
>>> dictionary = dict(zip(keys, values))
>>> print(dictionary)
{'a': 1, 'b': 2, 'c': 3}
Voila :-) The pairwise dict constructo...
Why does Math.floor return a double?
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Gama11
21.5k77 gold badges5151 silver badges7373 bronze badges
answered Feb 4 '09 at 15:49
krosenvoldkrosenvold
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Sort a Map by values
I am relatively new to Java, and often find that I need to sort a Map<Key, Value> on the values.
58 Answers
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Crop MP3 to first 30 seconds
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I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the quality of your sound files, an...
How to check if a float value is a whole number
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To check if a float value is a whole number, use the float.is_integer() method:
>>> (1.0).is_integer()
True
>>> (1.555).is_integer()
False
The method was added to the float type in Python 2.6.
Take into account...
Multiplication on command line terminal
...tic Expansion $(( )) to do some simple maths
$ echo "$((5 * 5))"
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Check the Shell Arithmetic section in the Bash Reference Manual for a complete list of operators.
For sake of completeness, as other pointed out, if you need arbitrary precision, bc or dc would be better.
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RegEx: Smallest possible match or nongreedy match
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For a regular expression like .* or .+, append a question mark (.*? or .+?) to match as few characters as possible. To optionally match a section (?:blah)? but without matching unless absolutely necessary, use something like (?:blah){0,1}?. For a repea...
Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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How to compare versions in Ruby?
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Guillaume
21k66 gold badges5858 silver badges9595 bronze badges
answered Jun 17 '10 at 17:45
grossergrosser
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