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XML parsing of a variable string in JavaScript
...cript framework like jQuery to handle the cross-browsers differences.
A really basic example is:
var xml = "<music><album>Beethoven</album></music>";
var result = $(xml).find("album").text();
Note: As pointed out in comments; jQuery does not really do any XML parsing wha...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
...S
We can use INFORMATION_SCHEMA Tables.
Useful Queries
To check about all the locks transactions are waiting for:
USE INFORMATION_SCHEMA;
SELECT * FROM INNODB_LOCK_WAITS;
A list of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_L...
How can I remove the search bar and footer added by the jQuery DataTables plugin?
...
You can also not draw the header or footer at all by setting sDom: http://datatables.net/usage/options#sDom
'sDom': 't'
will display JUST the table, no headers or footers or anything.
It's discussed some here: http://www.datatables.net/forums/discussion/2722/how-t...
Debugging iframes with Chrome developer tools
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In the Developer Tools in Chrome, there is a bar along the top, called the Execution Context Selector (h/t felipe-sabino), just under the Elements, Network, Sources... tabs, that changes depending on the context of the current tab. When in the Console tab there is a dropdown in that bar t...
How to call multiple JavaScript functions in onclick event?
Is there any way to use the onclick html attribute to call more than one JavaScript function?
11 Answers
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How to check if an element does NOT have a specific class?
... that don't have a certain class, you can use the not selector:
// select all divs that don't have class test
$( 'div' ).not( ".test" );
$( 'div:not(.test)' ); // <-- alternative
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$apply already in progress error
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You are getting this error because you are calling $apply inside an existing digestion cycle.
The big question is: why are you calling $apply? You shouldn't ever need to call $apply unless you are interfacing from a non-Angular event. The existence of $apply usual...
PHP Session Fixation / Hijacking
...cker explicitly sets the session identifier of a session for a user. Typically in PHP it's done by giving them a url like http://www.example.com/index...?session_name=sessionid. Once the attacker gives the url to the client, the attack is the same as a session hijacking attack.
There are a few way...
How do I obtain a Query Execution Plan in SQL Server?
...an execution plan, which one to use will depend on your circumstances. Usually you can use SQL Server Management Studio to get a plan, however if for some reason you can't run your query in SQL Server Management Studio then you might find it helpful to be able to obtain a plan via SQL Server Profil...
Java's Interface and Haskell's type class: differences and similarities?
...d say that an interface is kind of like a type class SomeInterface t where all of the values have the type t -> whatever (where whatever does not contain t). This is because with the kind of inheritance relationship in Java and similar languages, the method called depends on the type of object th...