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How to change plot background color?

...0, 1] (e.g., (0.1, 0.2, 0.5) or (0.1, 0.2, 0.5, 0.3)); a hex RGB or RGBA string (e.g., '#0F0F0F' or '#0F0F0F0F'); a string representation of a float value in [0, 1] inclusive for gray level (e.g., '0.5'); one of {'b', 'g', 'r', 'c', 'm', 'y', 'k', 'w'}; a X11/CSS4 color name; a name from t...
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Inner class within Interface

... EDITOR("editor"), VANILLA("regular user"); private String description; private Role(String description) { this.description = description; } public String getDescription() { return description; } } public Strin...
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How do I use variables in Oracle SQL Developer?

... If comparing &&value1 to a string value like: &&value1 = 'Some string' then &&value1 needs to be wrapped in single quotes like: '&&value1' = 'Some string' – Ryan E Mar 5 '14 at 21:29 ...
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Tainted canvases may not be exported

... likely on your local drive!). While testing try these workarounds: Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders). Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you put your images in dropbox's public fol...
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Merge / convert multiple PDF files into one PDF

...sidering that pdfunite is part of poppler it has a higher chance to be installed, usage is also simpler than pdftk: pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf share | improve this answer ...
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How to create id with AUTO_INCREMENT on Oracle?

...g. 1,2,3,.... GUID. globally univeral identifier, as a RAW datatype. GUID (string). Same as above, but as a string which might be easier to handle in some languages. x is the identity column. Substitute FOO with your table name in each of the examples. -- numerical identity, e.g. 1,2,3... creat...
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Find and restore a deleted file in a Git repository

... of '~1': git checkout <deleting-commit>~1 -- <file-path> ~X allows you to specify X commits before the specified commit, so ~1 is the commit before, ~2 is two commits before, etc – Nils Luxton Sep 10 '12 at 15:07 ...
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How to use NSCache

Can someone give an example on how to use NSCache to cache a string? Or anyone has a link to a good explanation? I can't seem to find any.. ...
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Difference between map and collect in Ruby?

I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails? ...
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How to find whether or not a variable is empty in Bash

...o, there is a difference between "empty" and "unset". See How to tell if a string is not defined in a Bash shell script. share | improve this answer | follow |...