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Rails migration for has_and_belongs_to_many join table
How do I do a script/generate migration to create a join table for a has_and_belongs_to_many relationship?
6 Answers
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Query EC2 tags from within instance
Amazon recently added the wonderful feature of tagging EC2 instances with key-value pairs to make management of large numbers of VMs a bit easier.
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How to iterate object in JavaScript? [duplicate]
I have this object. I want to iterate this object in JavaScript. How is this possible?
9 Answers
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javascript: Clear all timeouts?
Is there a way to clear all time outs from a given window? I suppose the timeouts are stored somewhere in the window object but couldn't confirm that.
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How to jQuery clone() and change id?
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// Read the Number from that DIV's ID (i.e: 3 from "klon3")
// And increment that number by 1
var num = parseInt( $div.prop("id").match(/\d+/g), 10 ) +1;
// Clone it and assign the new ID (i.e: from num 4 to ID "klon4")
var $klon = $div.clone().prop('id', 'klon'+num );
// Fin...
Wildcards in jQuery selectors
I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work..
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Joining three tables using MySQL
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Nice and simple, but FWIW consider the following blog re this syntax: sqlblog.org/2009/10/08/bad-habits-to-kick-using-old-style-joins as mentioned in stackoverflow.com/a/13476050/199364
– ToolmakerSteve
Jan 21 '19 at 1:53
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jQuery UI Sortable, then write order into a database
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The jQuery UI sortable feature includes a serialize method to do this. It's quite simple, really. Here's a quick example that sends the data to the specified URL as soon as an element has changes position.
$('#element').sortable({
axis: 'y',
updat...
Bundle ID Suffix? What is it?
...ve a company, leave your name, it doesn't matter as long as both bundle id in info.plist file and the one you've submitted in iTunes Connect match.
In Bundle ID Suffix you should write full name of bundle ID.
Example:
Bundle ID suffix = thebestapp (NOT CORRECT!!!!)
Bundle ID suffix = com.awesom...
What is a proper naming convention for MySQL FKs?
Being that they must be unique, what should I name FK's in a MySQL DB?
4 Answers
4
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