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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...
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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Rails: convert UTC DateTime to another time zone
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207
time.in_time_zone(time_zone)
Example:
zone = ActiveSupport::TimeZone.new("Central Time (US &...
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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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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iOS multiline label in Interface builder
...aximum number of lines a label can have. By default, it's 1. Setting it to 0 means the label will have unlimited lines.
You can do it in code:
textLabel.numberOfLines = 5 // for example
Or in Interface Builder:
share
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Why and not taking font-family and font-size from body?
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answered May 20 '10 at 15:07
BoltClock♦BoltClock
601k141141 gold badges12621262 silver badges12641264 bronze badges
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ASP.NET MVC passing an ID in an ActionLink to the controller
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204
Doesn't look like you are using the correct overload of ActionLink. Try this:-
<%=Html.Act...