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Check if an image is loaded (no errors) with jQuery

...ng, when an error occurs it does something else. I'm using jQuery load() and error() methods as events. After these events I check the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events. ...
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The performance impact of using instanceof in Java

I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
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“render :nothing => true” returns empty plaintext file?

I'm on Rails 2.3.3, and I need to make a link that sends a post request. 2 Answers 2 ...
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How to select bottom most rows?

...ve been up 14 hours). At first I couldn't see the difference between yours and the order by answers, but now I can. So +1. – RichardOD Dec 9 '09 at 20:52 1 ...
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What in the world are Spring beans?

I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
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Why should the “PIMPL” idiom be used? [duplicate]

...ged much anyway. The code I'm looking at seems to be taking the safe road and using pimpl everywhere. – JeffV Sep 13 '08 at 15:23 1 ...
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What version of javac built my jar?

... version of the Java compiler was used to build a jar? I have a jar file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar? ...
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Differences between utf8 and latin1

what is the difference between utf8 and latin1? 2 Answers 2 ...
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Pacman: how do the eyes find their way back to the monster hole?

...ing algorithm - breadth-first search is simple to implement, for example - and use that to calculate which directions to encode at each of the corners, before the game is run. EDIT (11th August 2010): I was just referred to a very detailed page on the Pacman system: The Pac-Man Dossier, and since I...
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Where is the C auto keyword used?

In my college days I read about the auto keyword and in the course of time I actually forgot what it is. It is defined as: ...