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What are “decorators” and how are they used?

...xtension method. For Ex. We have a class and it has two methods and at run time we want to add more method in it then we use Decorator. We cannot use $provide.decorator with constants because we cannot change the constants they are heaving read only property. ...
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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'

I want to begin writing queries in MySQL. 10 Answers 10 ...
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Postgres: Distinct but only for one column

I have a table on pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . ...
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?

... I had a hard time following the accepted answer so here is more detail. Given the photo below on view controller C you can "exit" back to any view controller in the segue path. ViewController A you can write: - (IBAction)done:(UIStor...
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How do you run CMD.exe under the Local System Account?

I'm currently running Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account. ...
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How to update bower.json with installed packages?

In my project I've installed bower components without save option. Now, I would like update to bower.json ? 6 Answers ...
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How To: Best way to draw table in console app (C#)

... Wouldn't that print the same value four times? – Brian Rasmussen May 13 '09 at 9:01 1 ...
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How do Third-Party “tracking cookies” work?

...om that tells website B that the request was initiated by website A. Every time website B sees the unique random string that it assigned to you, it can check the Referer header to add to its log of where you've been. If website A is cooperating with website B, A can just directly tell B that you're ...
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How to check whether a variable is a class or not?

I was wondering how to check whether a variable is a class (not an instance!) or not. 9 Answers ...
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Getting hold of the outer class object from the inner class object

I have the following code. I want to get hold of the outer class object using which I created the inner class object inner . How can I do it? ...