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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java

...) and according to range: 1-127 are user defined codes (so generated by calling exit(n)) 128-255 are codes generated by termination due to different unix signals like SIGSEGV or SIGTERM But I don't think you should care while coding on Java, it's just a bit of information. It's useful if you pla...
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When a 'blur' event occurs, how can I find out which element focus went *to*?

...s caused by tabbing through fields with the keyboard, and does not work at all in Chrome or Safari. The big problem with using activeElement (except in IE) is that it is not consistently updated until after the blur event has been processed, and may have no valid value at all during processing! This...
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Twitter Bootstrap vs jQuery UI? [closed]

...n several projects. The biggest difference in my opinion jQuery UI is fallback safe, it works correctly and looks good in old browsers, where Bootstrap is based on CSS3 which basically means GREAT in new browsers, not so great in old Update frequency: Bootstrap is getting some great big updates ...
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Ruby optional parameters

...cope ||= LDAP::LDAP_SCOPE_SUBTREE ... do something ... end Now if you call the method as above, the behaviour will be as you expect. share | improve this answer | follow ...
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Can you make valid Makefiles without tab characters?

... 2. The tab character is a very important part of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error. “So what?” you ask, “What’s wrong with that?” There is nothi...
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ruby 1.9: invalid byte sequence in UTF-8

...n't have any encoding specific options and the stuff that comes in is basically not properly tagged. What would be the best way to actually work with that incoming data? I tried .encode with the replace and invalid options set, but no success so far... ...
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How do I call a dynamically-named method in Javascript?

I am working on dynamically creating some JavaScript that will be inserted into a web page as it's being constructed. 9 An...
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Where does Console.WriteLine go in ASP.NET?

... inside a TextWriter), which is a dummy implementation of Stream that basically ignores all input, and gives no output. So it is conceptually equivalent to /dev/null, but the implementation is more streamlined: there's no actual I/O taking place with the null device. Also, apart from calling SetOu...
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Post data to JsonP

Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request? 7 Answers ...
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Android: install .apk programmatically [duplicate]

...ade this with help from Android download binary file problems and Install Application programmatically on Android . 5 ...