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What is the difference between gsub and sub methods for Ruby Strings
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answered Jul 20 '11 at 18:48
Ray ToalRay Toal
76.4k1212 gold badges143143 silver badges204204 bronze badges
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Repeatedly run a shell command until it fails?
...with whatever command you're already using:
untilfail ./runTest --and val1,val2 -o option1 "argument two"
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Wrapping null-returning method in Java with Option in Scala?
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183
The Option companion object's apply method serves as a conversion function from nullable refer...
Easiest way to rename a model using Django/South?
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130
To answer your first question, the simple model/table rename is pretty straightforward. Run th...
C# List to string with delimiter
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1250
You can use String.Join. If you have a List<string> then you can call ToArray first:
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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151
http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provid...
error: passing xxx as 'this' argument of xxx discards qualifiers
...lement operator< as :
inline bool operator< (const StudentT & s1, const StudentT & s2)
{
return s1.getId() < s2.getId();
}
Note parameters are now const reference.
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Is element block level or inline level?
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192
It's true, they are both - or more precisely, they are "inline block" elements. This means tha...
How to exclude specific folders or files from validation in Eclipse?
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91
In the Validation section of Window > Preferences you can add different rules in settings (.....
Change UICollectionViewCell size on different device orientations
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1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add the following to your UICollectionViewController subclass and adjust the sizes as required:
- (CGSize)collectionView:(UICollecti...