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rreplace - How to replace the last occurrence of an expression in a string?
...> rreplace(s, '2', ' ', 4)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 0)
'1232425'
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Coffeescript — How to create a self-initiating anonymous function?
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While you can just use parentheses (e.g. (-> foo)(), you can avoid them by using the do keywo...
Objective-C: Reading a file line by line
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Edit: Turns out this request already exists. There's a Radar dating from 2006 for this (rdar://4742914 for Apple-internal people).
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how to exclude null values in array_agg like in string_agg using postgres?
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Thanks. But if the main query (s) returns a 1000 rows, then the 2 subqueries (using unnest) will run once for each row.. Will it be better to tolerate NULLs than executing 2000 extra select queries ?
– Daud
Oct 29 '12 at 17:07
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Uncatchable ChuckNorrisException
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jtahlbornjtahlborn
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
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edited May 23 at 21:00
answered Feb 9 '14 at 15:18
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WPF Blurry fonts issue- Solutions
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Technical background
There is a in-depth article about WPF Text rendering from one of the WPF ...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...d.)
This question discusses the uses left for a C array like int arr[20]; . On his answer , @James Kanze shows one of the last strongholds of C arrays, it's unique initialization characteristics:
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Non-recursive depth first search algorithm
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biziclopbiziclop
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Confused about __str__ on list in Python [duplicate]
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Sven MarnachSven Marnach
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