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Automatically plot different colored lines

...t several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this,...
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Check for array not empty: any?

..." value in the array evaluates to true. Similar methods to this are none?, all? and one?, where they all just check to see how many times true could be evaluated. which has nothing to do with the count of values found in a array. case 1 >> a = [] => [] >> a.any? => false >> a...
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How do I reverse an int array in Java?

...ster, but it confuses many programmers and any good compiler will automatically do that. – Justin Apr 7 '14 at 18:54 2 ...
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Remote branch is not showing up in “git branch -r”

... specifies fetch rules. You could add something like this into it to fetch all branches from the remote: fetch = +refs/heads/*:refs/remotes/origin/* (Or replace origin with bitbucket.) Please read about it here: 10.5 Git Internals - The Refspec ...
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Refresh all files in buffer from disk in vim

... bufdo e curiously leaves all the buffers un-syntax-highlighted – Steven Lu Jul 9 '13 at 23:03 ...
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CSS :after not adding content to certain elements

...t;button>, <textarea>, <input>, and <select> tags). All other elements types can be referred to as non-replaced elements. :before and :after only work with non-replaced elements. From the spec: Note. This specification does not fully define the interaction of :befor...
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SQL query return data from multiple tables

...I-89 syntax (and if you are used to 89, may seem much less intuitive - but all I can say is to try it) as it is much easier to understand when the queries start getting more complex. Why use it? Is there a performance gain? The short answer is no, but it is easier to read once you get used to it. It...
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Define all functions in one .R file, call them from another .R file. How, if possible?

How do I call functions defined in abc.R file in another file, say xyz.R? 1 Answer 1 ...
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How do I update a formula with Homebrew?

...rade mongodb It will upgrade the mongodb formula. If you want to upgrade all outdated formula, simply brew upgrade share | improve this answer | follow ...
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Easier way to create circle div than using an image?

... image is not circular..which is in mozilla. – techie_28 Jan 6 '12 at 15:19 1 @techie_28: The div...