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How do I turn a python datetime into a string, with readable format date?
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RNHTTR
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answered Jan 28 '10 at 22:23
CristianCristian
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How can I use “.” as the delimiter with String.split() in java [duplicate]
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answered May 3 '10 at 3:18
clstrfsckclstrfsck
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Determine if a function exists in bash
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edited Jan 10 '17 at 10:52
Eliran Malka
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What is the purpose of setting a key in data.table?
... "cold" by
require(data.table)
DT <- data.table(x=rep(1:5, each=2), y=1:10)
DT[, mean(y), by=x] # no key is set, order of groups preserved in result
However, prior to v1.9.6, joins of the form x[i] required key to be set on x. With the new on= argument from v1.9.6+, this is not true anymore, an...
TypeScript “this” scoping issue when called in jquery callback
...mance trade-off compared to the first method
Good: In TypeScript, this has 100% type safety
Good: Works in ECMAScript 3
Good: You only have to type the instance name once
Bad: You'll have to type the parameters twice
Bad: Doesn't work with variadic parameters
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What is “stdafx.h” used for in Visual Studio?
...fx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
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It is more efficient to use if-return-return or if-else-return?
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answered Feb 8 '12 at 10:25
Frédéric HamidiFrédéric Hamidi
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Erlang's 99.9999999% (nine nines) reliability
...-301 team members, gave a presentation (video) (which I attended) at the 2010 Erlang Factory conference in San Francisco, discussing this precise availability statistic. According to him, it was claimed by British Telecom for a trial period (I believe from January to September 2002) of "5 node-years...
Find and replace strings in vim on multiple lines
...y the additional range(s) to it (and concatenate as many as you like):
:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you have many ranges though, I'd rather use a loop:
:for range in split('6,10 14,18')| exe range 's/<search_string>/<replace_string>/g' | ...
How to restore the permissions of files and directories within git if they have been modified?
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answered Dec 10 '10 at 11:31
muhqumuhqu
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