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How to use Greek symbols in ggplot2?

My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it? ...
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

... @SamuelRenkert also the Linux backdoor that was found in 2003: if (user_id = ROOT_UID) – Supuhstar Dec 23 '15 at 16:52 ...
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Globally override key binding in Emacs

...posterity another solution. From The Emacs Manual: "Don't define C-c letter as a key in Lisp programs. Sequences consisting of C-c and a letter (either upper or lower case) are reserved for users; they are the only sequences reserved for users, so do not block them." If you bind your persona...
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What characters are forbidden in Windows and Linux directory names?

...f 'shell' fame) had a directory containing 254 files, one for every single letter (character code) that can appear in a file name (excluding /, '\0'; the name . was the current directory, of course). It was used to test the Bourne shell and routinely wrought havoc on unwary programs such as backup ...
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Correct Bash and shell script variable capitalization

...e Shell and Utilities volume of POSIX.1-2017 consist solely of uppercase letters, digits, and the underscore ( _ ) from the characters defined in Portable Character Set and do not begin with a digit. ... The name space of environment variable names containing lowercase letters is reser...
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Difference between encoding and encryption

...tted safely, so it may be necessary to encode data using base64 (uses only letters, numbers and two safe characters). When encoding or decoding, the emphasis is placed on everyone having the same algorithm, and that algorithm is usually well-documented, widely distributed and fairly easily implemen...
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Encoding URL query parameters in Java

...ods to encode the query, fragment, path parts etc. - but don't expose the "raw" encoding. This is unfortunate as fragment and query are allowed to encode space to +, so we don't want to use them. Path is encoded properly but is "normalized" first so we can't use it for 'generic' encoding either. Be...
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What's the complete range for Chinese characters in Unicode?

... chinese chars, why not CJK Compatibility Ideographs? Why not Enclosed CJK Letters and Months? – Voyager Mar 13 '19 at 3:12 ...
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postgres default timezone

...t", in it, search for the closest location to your zone and copy the first letters in the left column. For example: if you are in "New York" or "Panama" it would be "EST": # - EST: Eastern Standard Time (Australia) EST -18000 # Eastern Standard Time (America) # (America...
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What is the naming convention in Python for variable and function names?

... One case for the underscored style is that you can use one-letter-words better. For (a rather silly) example, findMeAClass is perhaps uglier than find_me_a_class. – heltonbiker Jun 28 '14 at 21:16 ...