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A method to reverse effect of java String.split()? [duplicate]

I am looking for a method to combine an array of strings into a delimited String. An opposite to split(). 16 Answers ...
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How to specify a editor to open crontab file? “export EDITOR=vi” does not work

I'm using Red Hat Enterprise Linux 5, and I want to set the vim editor to edit the crontab file. 8 Answers ...
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how to get android screen size programmatically, once and for all?

How can I find out my screen size programmatically, in the units used by touch events and View measurement/layout? In other words, I want the coordinates of the bottom-right corner of the screen, in the coordinate system used by touch events' getRawX()/getRawY() and View.getLocationOnScreen() . ...
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Running Python on Windows for Node.js dependencies

... Your problem is that you didn't set the environment variable. The error clearly says this: gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable. And in your comment, you say you did this: set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib That's n...
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How to make a DIV visible and invisible with JavaScript

Can you do something like 7 Answers 7 ...
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How do I add PHP code/file to HTML(.html) files?

I can't use PHP in my HTML pages. For example, index.html . I've tried using both: 12 Answers ...
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How do you update Xcode on OSX to the latest version?

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Passing multiple error classes to ruby's rescue clause in a DRY fashion

...nt to access the exception instance, use this syntax: rescue InvalidRequestError, CardError => e (see mikeferrier.com/2012/05/19/…) – Peter Ehrlich Oct 11 '12 at 16:37 1 ...
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Open Redis port for remote connections

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Converting String to “Character” array in Java

I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...