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When does System.gc() do something?

... on lots of factors, like which JVM you're running on, which mode it's in, and which garbage collection algorithm it's using. I wouldn't depend on it in your code. If the JVM is about to throw an OutOfMemoryError, calling System.gc() won't stop it, because the garbage collector will attempt to f...
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How to download/checkout a project from Google Code in Windows?

...eplex.com/ I have nothing to do with this project, but I just used it now and it saved me a few minutes. Maybe it will help someone. share | improve this answer | follow ...
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Append a dictionary to a dictionary [duplicate]

I have two existing dictionaries, and I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example: ...
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Listing only directories in UNIX

... doesn't have such option). Also, can this be done with a single line command? 20 Answers ...
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How can I convert a character to a integer in Python, and viceversa?

... Use chr() and ord(): >>> chr(97) 'a' >>> ord('a') 97 share | improve this answer | follow...
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Compare two folders which has many files inside contents

... To get summary of new/missing files, and which files differ: diff -arq folder1 folder2 a treats all files as text, r recursively searched subdirectories, q reports 'briefly', only when files differ ...
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Ruby ampersand colon shortcut [duplicate]

... Your question is wrong, so to speak. What's happening here isn't "ampersand and colon", it's "ampersand and object". The colon in this case is for the symbol. So, there's & and there's :foo. The & calls to_proc on the object, and passes it as a block to the method. In Rails, to_proc is im...
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Error starting jboss server

I've just finished re-installing my OS, and as always install and test standard tools which I use, and now I get this error like never before when I tried to start Jboss 5 from eclipse, its quite big exeption : ...
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Referenced Project gets “lost” at Compile Time

I have a C# solution with two projects: a service (the main project) and a logger. The service uses classes from the logger. I've added a Reference to the logger project within the service project. At design time, autocomplete works fine: the logger's classes are visible, references that I use are c...
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Reset all changes after last commit in git

...the last commit, including deleting added files, resetting modified files, and adding back deleted files? 3 Answers ...