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How do I update an entity using spring-data-jpa?

... object your found. These changes will be flushed to the database automatically at the end of transaction, so that you don't need to do anything to save these changes explicitly. EDIT: Perhaps I should elaborate on overall semantics of JPA. There are two main approaches to design of persistence AP...
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“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed

I'm trying to install a GoDaddy SSL certificate on a new load balancer I'm setting up on Amazon AWS. I originally created the certificate at Godaddy using the keytool program for direct installation on a Glassfish 3.1 server (Amazon linux ami). I had no problems getting that setup directly on the ...
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Why do you need to invoke an anonymous function on the same line?

...ition. Because it has no name (it's anonymous duh!), you won't be able to call it anymore. If you don't put semicolon then function could still be executed. – SolutionYogi Jul 16 '09 at 20:32 ...
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Difference between viewDidLoad and viewDidAppear

... viewDidLoad is called exactly once, when the view controller is first loaded into memory. This is where you want to instantiate any instance variables and build any views that live for the entire lifecycle of this view controller. However, t...
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Switching a DIV background image with jQuery

I am making an expand/collapse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clic...
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How does grep run so fast?

I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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How to expire session due to inactivity in Django?

...just have to make some urls and views to return relevant data to the ajax calls regarding the session expiry. when the user opts to "renew" the session, so to speak, all you have to do is set requeset.session['last_activity'] to the current time again Obviously this code is only a start... but it ...
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How can I create a correlation matrix in R?

...es/…, or a simple matrix, but with the R-squared instead of pearson, kendall, or spearman correlation? – FraNut Jan 22 '15 at 12:13 ...
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Impossible to make a cached thread pool with a size limit?

...icks in. In the first example, note that the SynchronousQueue has essentially size of 0. Therefore, the moment you reach the max size (3), the rejection policy kicks in (#4). In the second example, the queue of choice is a LinkedBlockingQueue which has an unlimited size. Therefore, you get stuc...
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How to increase the gap between text and underlining in CSS

...w property text-underline-offset (as well as text-decoration-thickness) to allow control over the exact placement of an underline. As of this writing, it's an early-stage draft and has not been implemented by any browser, but it looks like it will eventually make the technique below obsolete. Origi...