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leading zeros in rails
...ed with padstr; otherwise, returns str.
some_int = 5
some_int.to_s.rjust(2, '0') # => '05'
some_int.to_s.rjust(5, '0') # => '00005'
another_int = 150
another_int.to_s.rjust(2, '0') # => '150'
another_int.to_s.rjust(3, '0') # => '150'
another_int.to_s.rjust(5, '0') # => '00150'
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How to make child process die after parent exits?
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Removing elements by class name?
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edited Apr 6 '19 at 14:32
answered Jan 23 '11 at 22:52
Li...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...wever, there is a similar property that does hold. Clause 5.11, paragraph 2 of the 754-2008 standard:
Four mutually exclusive relations are possible: less than, equal, greater than, and unordered. The last case arises when at least one operand is NaN. Every NaN shall compare unordered with ever...
Add list to set?
Tested on Python 2.6 interpreter:
12 Answers
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Configure Microsoft.AspNet.Identity to allow email address as username
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Hao KungHao Kung
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Does Python have a ternary conditional operator?
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
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239
Try to use this exact startup tag in your app.config under configuration node
<startup use...
Dump a NumPy array into a csv file
Is there a way to dump a NumPy array into a CSV file? I have a 2D NumPy array and need to dump it in human-readable format.
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PostgreSQL: Difference between text and varchar (character varying)
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792
There is no difference, under the hood it's all varlena (variable length array).
Check this art...