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How do you specify the Java compiler version in a pom.xml file?

...compile it on netbeans, everything is fine, but if I want to run it on command line, I will get these errors: 5 Answers ...
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What is the usefulness of PUT and DELETE HTTP request methods?

... origin server. If the Request-URI does not point to an existing resource, and that URI is capable of being defined as a new resource by the requesting user agent, the origin server can create the resource with that URI … For the full specification visit: http://www.w3.org/Protocols/rfc2616/rf...
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Which is better: … or …

...ype attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, <script>...</script> is valid...
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How to read the Stock CPU Usage data

On Ice Cream Sandwich, an option in the Developer Options is "Show CPU Usage", which adds an overlay on the screen (see screenshot below). ...
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C#: Abstract classes need to implement interfaces?

...mpiler that you are deliberately passing the buck to concrete subclasses - and the above line of code shows how to do so. The comments and downvotes complaining that this is not an answer to the question are missing the point. Someone coming to Stack Overflow, having received this compiler error, b...
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Unexpected value from nativeGetEnabledTags: 0

I installed the latest version of the SDK (r21) and ADT 21.0.0. I tried simple code, and it works well, but now I get a warning in LogCat that did not appear in the previous versions: ...
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How to prevent errno 32 broken pipe?

... client program doesn't wait till all the data from the server is received and simply closes a socket (using close function). In a C program you would normally try setting to ignore SIGPIPE signal or setting a dummy signal handler for it. In this case a simple error will be returned when writing t...
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What is NODE_ENV and how to use it in Express?

...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
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How to add an empty column to a dataframe?

What's the easiest way to add an empty column to a pandas DataFrame object? The best I've stumbled upon is something like ...
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Calling JMX MBean method from a shell script

... JMX MBean method from a shell script. We expose some operations/admin commands through JMX, and we could have our admins use JConsole, or VisualVM, but some tasks are better left to automation. In that automation we'd like to be able to call a JMX MBean method on our running server, preferably from...