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Find and copy files

...should be escaped before press the enter button. Otherwise you will get an error something like this find: missing argument to `-exec' In your case, copy command syntax is wrong in order to copy find file into /home/shantanu/tosend. The following command will work: find /home/shantanu/processed...
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Spring classpath prefix difference

...e classpath then application does not throw any exception(just ignores the error). classpath: It refers to a certain resource and loads only the first file found on the classpath and if no such file is present in the classpath it will throw an exception java.io.FileNotFoundException: class path r...
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Using str_replace so that it only acts on the first match?

... I like this approach, but the code has an error, the last parameter of substr_replace call should be strlen($needle) instead of strlen($replace).. please beware about that!! – Nelson Sep 21 '10 at 11:47 ...
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Check if Internet Connection Exists with Javascript? [duplicate]

...= 200 && (xhr.status < 300 || xhr.status === 304) ); } catch (error) { return false; } } You can also find the Gist for that here: https://gist.github.com/jpsilvashy/5725579 Details on local implementation Some people have commented, "I'm always being returned false". That's ...
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brew install mysql on macOS

... per user Sedorner from this StackOverflow answer brew doctor and fix any errors brew remove mysql brew cleanup brew update brew install mysql unset TMPDIR mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp # whoami is e...
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How do I make the return type of a method generic?

...nfigurationManager.AppSettings[settingName]; } Note - This will throw an error if the cast is not valid(your case). I would not recommend doing this if you are not sure about the type casting, rather go for option 3. Option 3: Generic with type safety - Create a generic function to handle type con...
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ANTLR: Is there a simple example?

...: java -cp antlr-3.2.jar org.antlr.Tool Exp.g It should not produce any error message, and the files ExpLexer.java, ExpParser.java and Exp.tokens should now be generated. To see if it all works properly, create this test class: import org.antlr.runtime.*; public class ANTLRDemo { public st...
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passport.js RESTful auth

...ned to the client in JSON format. If username and password do not match an error is sent to the client in the form of a 401 HTTP error code. Instead of forcing clients to send username and password with every request you can have a "get_access_token" function in your RESTful service that takes the u...
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@RequestParam in Spring MVC handling optional parameters

...bmitModel") SubmitModel model, BindingResult errors) throws LoginException {...} share | improve this answer | follow | ...
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Android Min SDK Version vs. Target SDK Version

...he minimum API level required to use a feature, the compiler will issue an error (not just a warning) if code contains a call to any method that was defined at a later API level than minSdkVersion, even if targetSdkVersion is greater than or equal to the API level at which that method was first made...