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remove all variables except functions
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137
Here's a one-liner that removes all objects except for functions:
rm(list = setdiff(ls(), lsf....
How to find a table having a specific column in postgresql
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edited Aug 29 '13 at 10:46
answered Aug 29 '13 at 10:39
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Is SQL or even TSQL Turing Complete?
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It turns out that SQL can be Turing Complete even without a true 'scripting' extension such as P...
How do I reflect over the members of dynamic object?
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If the IDynamicMetaObjectProvider can provide the dynamic member names, you can get them. See G...
Possible Loss of Fraction
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answered Jun 30 '09 at 1:25
Ólafur WaageÓlafur Waage
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error: default argument given for parameter 1
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213
You are probably redefining the default parameter in the implementation of the function. It shou...
Creating hidden arguments with Python argparse
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srgergsrgerg
15.9k33 gold badges4848 silver badges3939 bronze badges
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Why do I get a warning every time I use malloc?
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edited Aug 4 '13 at 23:52
answered Aug 4 '09 at 23:19
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How to sort in-place using the merge sort algorithm?
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Knuth left this as an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must be implemented carefully.
First, naive in-place merge such as described here isn't the right solution. It downgrades the performance to O(N2).
The idea is to sort pa...
jQuery Event : Detect changes to the html/text of a div
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edited Apr 4 at 14:32
Community♦
111 silver badge
answered Apr 30 '13 at 4:41
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