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How do I change the default port (9000) that Play uses when I execute the “run” command?

...used by the play framework in development mode when issueing the "run" command on the play console. 21 Answers ...
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Entity Framework: There is already an open DataReader associated with this Command

I am using Entity Framework and occasionally i will get this error. 17 Answers 17 ...
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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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Force unmount of NFS-mounted directory [closed]

... @Daniel: sure, but it is a Linux question (tagged as such even), and Linux does have it. – Jürgen A. Erhard Jul 4 '11 at 13:05 5 ...
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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the

So I've done some work in the repository and when I'm about to commit I realize that I'm not currently on any branch. 9 Ans...
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serve current directory from command line

could someone give me a hint, howto serve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory. ...
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How to fix .pch file missing on build?

...es, select All Configurations from the drop-down menu. Open the C/C++ tree and select Precompiled Headers Precompiled Header: Select Use (/Yu) Fill in the Precompiled Header File field. Standard is stdafx.h Click Okay If you do not have stdafx.h in your Header Files put it there. Edit it to #include...
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Mockito: Inject real objects into private @Autowired fields

I'm using Mockito's @Mock and @InjectMocks annotations to inject dependencies into private fields which are annotated with Spring's @Autowired : ...
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Sharing Test code in Maven

...so: classifier). It tells Maven a bit more explicitly what you are doing (and I've found that m2eclipse and q4e both like it better). <dependency> <groupId>com.myco.app</groupId> <artifactId>foo</artifactId> <version>1.0-SNAPSHOT</version> <type...
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?

...e with existing data. Is there a way to add a primary key without deleting and re-creating the table? 4 Answers ...