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Maven2: Missing artifact but jars are in place

...roject->Clean, some of which are more along the lines of turning it off and on again. Try right-clicking on the project and selecting Maven->Update Project Configuration. Disable then re-enable dependency management (right-click Maven->Disable Dependency Management then Maven->Enable ...
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Java exception not caught?

...ptly for reason S, then the try statement completes abruptly for reason S (and reason R is discarded). So, when there is a catch block that throws an exception: try { // ... } catch (Exception e) { throw new Exception("2"); } but there is also a finally block that also throws an exceptio...
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How can I exclude directories from grep -R?

... SOLUTION 1 (combine find and grep) The purpose of this solution is not to deal with grep performance but to show a portable solution : should also work with busybox or GNU version older than 2.5. Use find, for excluding directories foo and bar : find...
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How do I put the image on the right side of the text in a UIButton?

...view if I can avoid it. I want a UIButton with a background image, text, and an image in it. Right now, when I do that, the image is on the left side of the text. The background image, text, and image all have different highlight states. ...
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C# Set collection?

...set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order... The capacity of a HashSet(Of T) object is the number of elements that the object can hold. A HashSet(Of T) object's capacity automatically increases as elements are ad...
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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”

...msize of the process that failed to fork, at the time of the fork attempt, and then compare to the amount of free memory (physical and swap) as it relates to the overcommit policy (plug the numbers in.) In your particular case, note that Virtuozzo has additional checks in overcommit enforcement. M...
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Why Choose Struct Over Class?

...n many circumstances. Structs are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded env...
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What are some popular naming conventions for Unit Tests? [closed]

...test code should not be mixed up with your production code. As for length and use of underscore, its test code, who the hell cares? Only you and your team will see it, so long as it is readable, and clear about what the test is doing, carry on! :) That said, I am still quite new to testing and blo...
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What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?

I tried researching the difference between cout , cerr and clog on the internet but couldn't find a perfect answer. I still am not clear on when to use which. Can anyone explain to me, through simple programs and illustrate a perfect situation on when to use which one? ...
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Using getopts to process long and short command line options

I wish to have long and short forms of command line options invoked using my shell script. 32 Answers ...