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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
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First of all let me do some clarifications:
Managed bean definition : generally a managed bean is an object that its life cycle (construction, destruction, etc) is managed by a container.
In Java ee we have many containers that manage life cyc...
What does this thread join code mean?
In this code, what does the two joins and break mean? t1.join() causes t2 to stop until t1 terminates?
10 Answers
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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
44 Answers
44
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Using Caps Lock as Esc in Mac OS X
How do I make Caps Lock work like Esc in Mac OS X?
14 Answers
14
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How to simulate Server.Transfer in ASP.NET MVC?
...ult.ExecuteResult(context);
}
}
And if you're using T4MVC (if not... do!) this extension might come in handy.
public static class ControllerExtensions
{
public static TransferToRouteResult TransferToAction(this Controller controller, ActionResult result)
{
return new TransferT...
How do I pass command line arguments to a Node.js program?
... (no library)
The arguments are stored in process.argv
Here are the node docs on handling command line args:
process.argv is an array containing the command line arguments. The first element will be 'node', the second element will be the name of the JavaScript file. The next elements will be a...
How do I ignore ampersands in a SQL script running from SQL Plus?
...m prompted to enter a substitute value for the string starting with &. How do I disable this feature so that SQL Plus ignores the ampersand?
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Check if table exists without using “select from”
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The way Marc and myself stated to do it is the proper way. There is no 'exists' type statement MySql. 'Exists' in MySql is a clause which requires an operation such as SELECT, UPDATE, or DELETE.
– doogle
Jan 12 '12 at 1:...
Detecting an undefined object property
...operty value is the special value `undefined`");
}
To check if an object does not actually have such a property, and will therefore return undefined by default when you try and access it:
if(!o.hasOwnProperty('myProperty')) {
alert("myProperty does not exist");
}
To check if the value associa...
Debug.Assert vs Exception Throwing
...t how and when to use assertions, and I understood them well. But still, I don't understand what kind of motivation should drive me to use Debug.Assert instead of throwing a plain exception. What I mean is, in .NET the default response to a failed assertion is to "stop the world" and display a mes...