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How to check if a model has a certain column/attribute?
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Is it safe to assume strict comparison in a JavaScript switch statement?
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Array slices in C#
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Note using Array.Copy performs a lot faster than using LINQ's Take or Skip methods.
– Michael
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Check if a Postgres JSON array contains a string
...ch rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
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Retina displays, high-res background images
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Get Context in a Service
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edited Jan 4 '12 at 13:14
answered Jun 22 '11 at 20:37
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How to prevent gcc optimizing some statements in C?
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