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Copy all files with a certain extension from all subdirectories

Under unix, I want to copy all files with a certain extension (all excel files) from all subdirectories to another directory. I have the following command: ...
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How to do a regular expression replace in MySQL?

...ary linked here doesn't seem to have good windows support. The windows installation method outlined did not work well for me. – Jonathan Dec 5 '13 at 23:58 2 ...
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Make XAMPP/Apache serve file outside of htdocs [closed]

...st <Directory C:\Projects\transitCalculator\trunk> Order allow,deny Allow from all </Directory> </VirtualHost> Open your hosts file (C:\Windows\System32\drivers\etc\hosts). Add 127.0.0.1 transitcalculator.localhost #transitCalculator to the end of the fi...
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What is a semaphore?

...s bouncers at a nightclub. There are a dedicated number of people that are allowed in the club at once. If the club is full no one is allowed to enter, but as soon as one person leaves another person might enter. It's simply a way to limit the number of consumers for a specific resource. For exampl...
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makefile execute another target

... Actually you are right: it runs another instance of make. A possible solution would be: .PHONY : clearscr fresh clean all all : compile executable clean : rm -f *.o $(EXEC) fresh : clean clearscr all clearscr: cle...
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When do you use map vs flatMap in RxJava?

...r Exception problem, just throw it with a Non checked exception : RX will call the onError handler for you. Observable.from(jsonFile).map(new Func1<File, String>() { @Override public String call(File file) { try { return new Gson().toJson(new FileReader(file), Object.c...
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How to get the path of a running JAR file?

... One more note: While calling this function from the Jar, the name of the jar is appended at the end for me, therefore had to execute: path.substring(0, path.lastIndexOf("/") + 1); – will824 Oct 5 '11 at 15:29...
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Get image data url in JavaScript?

...on. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactly the same. One more thing: the input image is a small (594 bytes), 28x30 PNG with transparent background -- if that changes anything. – Detariael Ju...
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Best practices to test protected methods with PHPUnit

... not be coupled with the test. This makes refactoring impossible and eventually you don't test what needs to be tested. You need to test them indirectly using public methods. If you find this difficult, almost sure that there is a problem with the composition of the class and you need to separate it...
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver

...lso has parametrized ("generic") interfaces. One other big change is that all WinRT components have metadata available for them, just like .NET assemblies. In COM you kinda sorta had that with typelibs, but not every COM component had them. For WinRT, the metadata is contained in .winmd files - loo...