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How to check if a variable is not null?

...n case for those wondering... This does not check for an empty string ("") and undefined. See my fiddle as reference: jsfiddle.net/b0tm7yaf – Barrosy Jan 18 '19 at 15:25 ...
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Create a .csv file with values from a Python list

...n the list into columns if each element is a list as well. This is pretty handy for outputting tables. – whatnick Oct 7 '14 at 5:22 6 ...
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Unique constraint on multiple columns

...o I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together. ...
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Returning JSON from PHP to JavaScript?

...rialising function. json_encode json_encode Please use that if you can and don't suffer Not Invented Here syndrome. share | improve this answer | follow | ...
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Does a finally block run even if you throw a new Exception?

In this code will someVar be set even if the catch block is executed and the second Exception is thrown? 6 Answers ...
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Programmatically fire button click event?

...ally fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that. ...
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Deleting a file in VBA

...; "") End Function I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering: Check for an empty string being passed. Check for a string containing characters illegal in a file name/path 2.) How To Delete a File. Look...
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How do you remove an invalid remote branch reference from Git?

...rm Remove the remote named <name>. All remote tracking branches and configuration settings for the remote are removed. So it might be you hand-edited your config file and this did not occur, or you have privilege problems. Maybe run that again and see what happens. Advi...
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How do I clone into a non-empty directory?

... NOTE: -t will set the upstream branch for you, if that is what you want, and it usually is. share | improve this answer | follow | ...
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Java “params” in method signature?

... In Java it's called varargs, and the syntax looks like a regular parameter, but with an ellipsis ("...") after the type: public void foo(Object... bar) { for (Object baz : bar) { System.out.println(baz.toString()); } } The vararg param...