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Check if a Postgres JSON array contains a string
... from rabbits where (info->'food')::jsonb ? 'carrots';
Execution time: 1255.501 ms
d=# alter table rabbits alter info type jsonb using info::jsonb;
d=# explain analyze select info->'name' from rabbits where info->'food' ? 'carrots';
Execution time: 465.919 ms
d=# create index on rabbits...
Rails migrations: self.up and self.down versus change
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edited Apr 28 '12 at 17:01
answered Apr 28 '12 at 16:54
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How do you pass arguments to define_method?
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edited Sep 18 '08 at 3:12
answered Sep 18 '08 at 3:06
Ke...
How do I validate a date string format in python?
...ncorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> validate('2003-12-32')
Traceback (most recent call last):
File "<pyshell#20>", line 1, in <module>
validate('2003-12-32')
File "<pyshell#18>", line 5, in validate
raise Valu...
Responsive iframe using Bootstrap
... width="100%"
– krishna
Aug 18 at 12:54
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
The 'Wat' talk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript.
5 Answers
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#include in .h or .c / .cpp?
... Brendan LongBrendan Long
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Get a list of distinct values in List
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answered Apr 21 '12 at 0:33
Kirk WollKirk Woll
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How can I conditionally require form inputs with AngularJS?
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answered Nov 20 '12 at 3:24
Christian SmithChristian Smith
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Ruby Arrays: select(), collect(), and map()
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answered Mar 28 '12 at 21:07
EmilyEmily
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