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Does Ruby regular expression have a not match operator like “!~” in Perl?
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Yes: !~ works just fine – you probably thought it wouldn’t because it’s missing from the...
How to take a screenshot programmatically on iOS
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edited Sep 1 '16 at 19:00
Ricardo Sanchez-Saez
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Jquery insert new row into table at a certain index
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You can use .eq() and .after() like this:
$('#my_table > tbody > tr').eq(i-1).after(htm...
How do I pre-populate a jQuery Datepicker textbox with today's date?
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How to find the last day of the month from date?
...ays in the month of a given date (see the docs for date):
$a_date = "2009-11-23";
echo date("Y-m-t", strtotime($a_date));
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MySQL: selecting rows where a column is null
... NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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List comprehension rebinds names even after scope of comprehension. Is this right?
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List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gu...
Rails where condition using NOT NIL
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The canonical way to do this with Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
A...
How to update attributes without validation
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USE update_attribute instead of update_attributes
Updates a single attribute and saves the re...
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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