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How can I determine if a variable is 'undefined' or 'null'?

...enceError and break execution if variable is not defined or referred to at all in the code, using typeof is safer. – Mani Gandham Jun 15 '14 at 9:49 59 ...
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How can I refresh a page with jQuery?

... This should work on all browsers even without jQuery: location.reload(); share | improve this answer | follow ...
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How to use clock() in C++

How do I call clock() in C++ ? 7 Answers 7 ...
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GIT commit as different user without email / or only email

...name The separation of the characters probably indicates that spaces are allowed, it could also be resembling initials. The username has to be followed by 1 space, extra spaces will be truncated <author@example.com> = optional email address Must always be between < > signs. The ema...
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Aborting a shell script if any command returns a non-zero value?

...vokes a number of commands. I would like to have the shell script automatically exit with a return value of 1 if any of the commands return a non-zero value. ...
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How do I force Sublime Text to indent two spaces per tab?

... If you want it for all files, go to Preferences -> Settings - Default/User. But as several comments below indicate, Syntax Specific settings can limit it to just the languages you choose. To limit this configuration to Ruby files, first o...
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Is it possible to animate scrollTop with jQuery?

...ly scroll down. I do not want to have to write a function for that - especially if jQuery already has one. 12 Answers ...
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HTML text-overflow ellipsis detection

I have a collection of block elements on a page. They all have the CSS rules white-space, overflow, text-overflow set so that overflowing text is trimmed and an ellipsis is used. ...
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How can a Java variable be different from itself?

... Heh, this totally answers the question as asked. – Dave Newton Oct 17 '13 at 1:20 5 ...
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Exporting functions from a DLL with dllexport

...ain C exports, use a C project not C++. C++ DLLs rely on name-mangling for all the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC. If you ...