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cancelling queued performSelector:afterDelay calls
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[NSObject cancelPreviousPerformRequestsWithTarget:]
or
[NSObject cancelPreviousPerformReques...
PostgreSQL delete with inner join
i am getting the following error PostgreSQL 8.2.11
5 Answers
5
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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edited Dec 22 '14 at 22:36
answered Jan 19 '12 at 2:16
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Join an Array in Objective-C
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NSArray *array1 = [NSArray arrayWithObjects:@"1", @"2", @"3", nil];
NSString *joinedString = [array1 componentsJoinedByString:@","];
componentsJoinedByString: will join the components in the array by the specified string and return a str...
Bash foreach loop
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answered Nov 12 '10 at 8:35
Greg HewgillGreg Hewgill
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Difference between HTML “overflow : auto” and “overflow : scroll”
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Auto will only show a scrollbar when any content is clipped.
Scroll will however always show ...
Javascript shorthand ternary operator
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var startingNumber = startingNumber || 1;
Something like that what you're looking for, where...
Postgresql query between date ranges
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211
With dates (and times) many things become simpler if you use >= start AND < end.
For exa...
how do you filter pandas dataframes by multiple columns
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Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]...