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How to call a stored procedure from Java and JPA

I am writing a simple web application to call a stored procedure and retrieve some data. Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details. ...
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What does the red exclamation point icon in Eclipse mean?

...fferent search results on the Internet about "red exclamation point icons" and "red exclamation mark decorators" and "red bang icons," no doubt because lots of plugins and programming-related tools use red exclamation point icons. So, to be clear, this is the one I mean: ...
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What is the point of interfaces in PHP?

...le inheritance. The issues with inheriting from multiple classes are many and varied and the wikipedia page on it sums them up pretty well. Interfaces are a compromise. Most of the problems with multiple inheritance don't apply to abstract base classes, so most modern languages these days disable...
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I lost my .keystore file?

... able to retrieve the source code, but not the .keystore file used to sign and publish my application to the market (with several updates). Am I, and my poor users, out of luck if I ever want to update? ...
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What are Unwind segues for and how do you use them?

iOS 6 and Xcode 4.5 has a new feature referred to as "Unwind Segue": 6 Answers 6 ...
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How to install mongoDB on windows?

I am trying to test out mongoDB and see if it is anything for me. I downloaded the 32bit windows version, but have no idea on how to continue from now on. ...
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What's the difference between size_t and int in C++?

...pe size_t where I would have used a simple int . What's the difference, and why size_t should be better? 5 Answers ...
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How do I rename a project in Xcode 5?

...le in Xcode 5! In the Project Navigator on the left side, click 2 x slowly and the Project file name will be editable. Type the new name. A sheet will appear with a warning and will list all the items Xcode 5 believes it should change. You can probably trust it, but you should inspect it. The list w...
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Creating an Android trial application that expires after a fixed time period

... run the app save the date/time to a file, database, or shared preferences and every time you run the app after that check to see if the trial period has ended. This is easy to circumvent because uninstalling and reinstalling will allow the user to have another trial period. The second approach is...
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Can't connect to localhost on SQL Server Express 2012 / 2016

...press 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even f...