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Ruby on Rails Callback, what is difference between :before_save and :before_create?
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ChowlettChowlett
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How do I programmatically shut down an instance of ExpressJS for testing?
...unately, app.listen returns the server instance.
var server = app.listen(3000);
// listen for an event
var handler = function() {
server.close();
};
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How to include layout inside layout?
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edited Sep 5 at 10:59
Peter Naggschga
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answered Apr 12 '11 at 8:03
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Understanding the Event Loop
...ter Lyons
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Using Rails serialize to save hash to database
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edited Oct 30 '15 at 16:40
Dave Newton
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iPhone: How to switch tabs with an animation?
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Update 04/2016: Justed wanted to update this to say thank you to everyone for all the votes. Please also note that this was originally written way back when ... before ARC, before constraints, before ... a lot of stuff! So please ta...
.prop('checked',false) or .removeAttr('checked')?
...es not set the corresponding property to false anymore:
Prior to jQuery 3.0, using .removeAttr() on a boolean attribute such as checked, selected, or readonly would also set the corresponding named property to false. This behavior was required for ancient versions of Internet Explorer but is not co...
Is null reference possible?
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edited Dec 6 '10 at 9:05
answered Dec 6 '10 at 8:46
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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...
Active Record - Find records which were created_at before today
... it possible?
– Sayuj
Nov 2 '11 at 10:05
Yes I have set the relation active record class.
– Sayu...