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How to change MySQL data directory?

... Stop MySQL using the following command: sudo /etc/init.d/mysql stop Copy the existing data directory (default located in /var/lib/mysql) using the following command: sudo cp -R -p /var/lib/mysql /newpath edit the MySQL configuration file with the following...
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Press alt + numeric in bash and you get (arg [numeric]) what is that?

Press alt + numeric in bash and you get (arg [numeric]) what is that? 7 Answers 7 ...
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What are the differences between a UIView and a CALayer?

..., both represent different data. What are the differences between a UIView and a CALayer? 6 Answers ...
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Dynamic array in C#

... The question (albeit short and undescriptive) isn't asking about a generic list - Question could be asking about dynamic[] msdn.microsoft.com/en-GB/library/dd264736.aspx (array of dynamic types) or ExpandoObject msdn.microsoft.com/en-us/library/… I c...
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]

I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
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How to make a promise from setTimeout

This is not a realworld problem, I'm just trying to understand how promises are created. 2 Answers ...
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How can I update window.location.hash without jumping the document?

... This is the better answer, in my opinion. – Greg Annandale Jun 10 '14 at 21:15 10 Note that push...
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uncaught syntaxerror unexpected token U JSON

...or "uncaught syntaxerror unexpected token U" when I run my page in chrome. And in firefox I get, "JSON.parse: unexpected character". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be appreciated... Thanks....
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if else in a list comprehension [duplicate]

...d that if putting the condition in the beginning, then it requires both if and else (it must yield an element) - but putting it at the end, requires the if only (you can't put an else there). – Jeppe Dec 9 '18 at 13:07 ...
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In Perl, how can I read an entire file into a string?

... Add: local $/; before reading from the file handle. See How can I read in an entire file all at once?, or $ perldoc -q "entire file" See Variables related to filehandles in perldoc perlvar and perldoc -f local. Incidentally, if you can put your script on the server,...