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Calculate difference between two datetimes in MySQL
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302
USE TIMESTAMPDIFF MySQL function. For example, you can use:
SELECT TIMESTAMPDIFF(SECOND, '2012...
Returning JSON from PHP to JavaScript?
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answered Mar 25 '09 at 16:02
Kent FredricKent Fredric
53k1414 gold badges101101 silver badges147147 bronze badges
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Django: Why do some model fields clash with each other?
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edited Feb 19 '12 at 2:40
Community♦
111 silver badge
answered Jul 17 '09 at 10:20
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If list index exists, do X
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edited Dec 12 '16 at 0:03
Dimitris Fasarakis Hilliard
108k2424 gold badges208208 silver badges212212 bronze badges
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Count, size, length…too many choices in Ruby?
...static VALUE
rb_ary_count(int argc, VALUE *argv, VALUE ary)
{
long n = 0;
if (argc == 0) {
VALUE *p, *pend;
if (!rb_block_given_p())
return LONG2NUM(RARRAY_LEN(ary));
// etc..
}
}
The code for array.count does a few extra checks but in the end cal...
How do I automatically sort a has_many relationship in Rails?
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edited Apr 10 '09 at 23:44
answered Apr 10 '09 at 21:54
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Postgres: “ERROR: cached plan must not change result type”
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answered May 6 '10 at 20:52
Jin KimJin Kim
13k1515 gold badges4848 silver badges7979 bronze badges
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How do I access this object property with an illegal name?
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edited Jul 10 at 22:59
AbraCadaver
69.9k77 gold badges5252 silver badges7777 bronze badges
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Adding a user to a group in django
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edited Dec 4 '17 at 9:04
answered Jun 9 '11 at 6:24
jua...
Pull request without forking?
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sorin
128k133133 gold badges440440 silver badges675675 bronze badges
answered Feb 11 '13 at 22:03
Ryan BiggRyan Bigg
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