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Difference between \A \z and ^ $ in Ruby regular expressions
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edited Oct 4 '13 at 19:05
akhanubis
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Why Collections.sort uses merge sort instead of quicksort?
..., it was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters, who wrote it). It is a stable, adaptive, iterative
mergesort that requires far fewer than n log(n) comparisons when
running on partially ...
mysql - how many columns is too many?
I'm setting up a table that might have upwards of 70 columns. I'm now thinking about splitting it up as some of the data in the columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins.
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How to use ng-repeat for dictionaries in AngularJs?
... DLeh
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answered Aug 16 '12 at 11:37
Artem AndreevArtem Andreev
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Rails “validates_uniqueness_of” Case Sensitivity
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edited Apr 6 '09 at 16:59
answered Mar 27 '09 at 18:03
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Difference between Document-based and Key/Value-based databases?
...u to do basic queries by value, such as "Give me all users with more than 10 posts". Document databases are more flexible in this way.
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Best way to use html5 data attributes with rails content_tag helper?
...ibute.
– Jim Wharton
Dec 6 '11 at 2:05
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Of course it does.... But if you are using a helper whic...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
...pendently of each other.
I'm using Eclipse Helios Release with build ID: 20100617-1415.
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What is the difference between .*? and .* regular expressions?
...difference between greedy and non-greedy quantifiers.
Consider the input 101000000000100.
Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001.
.*? is non-greedy. * will match nothing, but then will try to match ext...