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How to calculate date difference in JavaScript?
...icktoofay
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41
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The most efficient way to implement an integer based power function pow(int, int)
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answered Sep 19 '08 at 12:54
Elias YarrkovElias Yarrkov
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How to use regex with find command?
I have some images named with generated uuid1 string. For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
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Can I multiply strings in Java to repeat sequences? [duplicate]
...es is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n number of 0x00 characters, and the built-in String#repla...
How to write a Ruby switch statement (case…when) with regex and backreferences?
... groups are always stored in pseudo variables $1 to $9:
case foo
when /^([0-9][0-9])/
print "the month is #{$1}"
else
print "something else"
end
You can also use the $LAST_MATCH_INFO pseudo variable to get at the whole MatchData object. This can be useful when using named captures:
case ...
MongoDB: How to query for records where field is null or not set?
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edited Aug 31 '16 at 0:31
answered May 14 '12 at 21:55
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How to remove last n characters from every element in the R vector
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answered May 1 '14 at 17:50
nfmcclurenfmcclure
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Why does running the Flask dev server run itself twice?
...o away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can look for the WERKZEUG_RUN_MAIN environment varia...
How to sort with a lambda?
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edited Feb 25 '11 at 23:06
answered Feb 25 '11 at 22:51
B...
jquery sortable placeholder height problem
For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved?
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