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This Handler class should be static or leaks might occur: IncomingHandler

...e a reference to your Service object. Handler objects for the same thread all share a common Looper object, which they post messages to and read from. As messages contain target Handler, as long as there are messages with target handler in the message queue, the handler cannot be garbage collecte...
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JPA : How to convert a native query result set to POJO class collection

... JPA provides an SqlResultSetMapping that allows you to map whatever returns from your native query into an Entity or a custom class. EDIT JPA 1.0 does not allow mapping to non-entity classes. Only in JPA 2.1 a ConstructorResult has been added to map return values a...
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Meaning of “[: too many arguments” error from if [] (square brackets)

... # if [ hello world == 0 ] fi The same will be true for any function call that puts down a string containing spaces or other special characters. Easy fix Wrap the variable output in double quotes, forcing it to stay as one string (therefore one argument). For example, VARIABLE=$(/some/comm...
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Using a strategy pattern and a command pattern

...s encapsulate an algorithm and decouple implementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't. ...
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Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git

... Try git fetch so that your local repository gets all the new info from github. It just takes the information about new branches and no actual code. After that the git checkout should work fine. shar...
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Reset CSS display property to default value

... value, not the browser default. The spec itself makes this note under the all property: For example, if an author specifies all: initial on an element it will block all inheritance and reset all properties, as if no rules appeared in the author, user, or user-agent levels of the cascade. This can ...
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What is the right way to check for a null string in Objective-C?

...that people who are new to Objective C have trouble getting used to, especially coming form other languages where messages/method calls to nil crash. share | improve this answer | ...
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What to do about a 11000 lines C++ source file?

...t. Move this into its own file, and for that matter into its own class, in all branches. Because it's stable, this won't cause (many) "awkward" merges that have to be applied to a different file from the one they were originally made on, when you merge the change from one branch to another. Repeat. ...
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configure Git to accept a particular self-signed server certificate for a particular https remote

...ct repos.sample.com:443 Catch the output into a file cert.pem and delete all but part between (and including) -BEGIN CERTIFICATE- and -END CERTIFICATE- Content of resulting file ~/git-certs/cert.pem may look like this: -----BEGIN CERTIFICATE----- MIIDnzCCAocCBE/xnXAwDQYJKoZIhvcNAQEFBQAwgZMxCzAJB...
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How can I explicitly free memory in Python?

...do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful. – Jason Baker Aug 22 '09 at 19:53 ...