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Extracting the last n characters from a ruby string
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101
Here you have a one liner, you can put a number greater than the size of the string:
"123".sp...
sqlalchemy unique across multiple columns
...ns. Locations "belong" to customers. Locations are identified by a unicode 10 character code. The "location code" should be unique among the locations for a specific customer.
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Is $(document).ready necessary?
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127
Is $(document).ready necessary?
no
if you've placed all your scripts right before the &l...
Big O of JavaScript arrays
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110
NOTE: While this answer was correct in 2012, engines use very different internal representatio...
document.getElementById vs jQuery $()
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14 Answers
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Erratic hole type resolution
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1
If you want to generate all possible such values, then you can write a function to do so, either...
SortedList, SortedDictionary and Dictionary
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102
When iterating over the elements in either of the two, the elements will be sorted. Not so wi...
Python speed testing - Time Difference - milliseconds
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13 Answers
13
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Ruby / Rails: convert int to time OR get time from integer?
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312
Use Time.at:
t = Time.at(i)
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