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Automatically plot different colored lines

I'm trying to plot 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 efficien...
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Is there an AddRange equivalent for a HashSet in C#

...dicate the distinct way the HashSet works. You cannot safely Add a set of random elements to it like in Collections, some elements may naturally evaporate. I think that UnionWith takes its name after "merging with another HashSet", however, there's an overload for IEnumerable<T> too. ...
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How can one use multi threading in PHP applications

... force the operating system to load another instance of the PHP executable and handle other simultaneous processes. 18 Answ...
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How do I implement basic “Long Polling”?

...n find lots of information on how Long Polling works (For example, this , and this ), but no simple examples of how to implement this in code. ...
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How to make a Java Generic method static?

...ic type variable. Additionally, type variables between types (ArrayUtils) and static methods (appendToArray) never interfere with each other. So, what does this mean: In my answer <E> would hide the E from ArrayUtils<E> if the method wouldn't be static. AND <E> has nothing to do ...
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Good or bad practice? Initializing objects in getter

... has to take into consideration the impacts this solution has. Background and explanation: Concrete implementation: Let's first look at your concrete sample and why I consider its implementation naive: It violates the Principle of Least Surprise (POLS). When a value is assigned to a property, it...
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Check substring exists in a string in C

... ... and false is 0 – Jack Feb 13 '15 at 2:58 9 ...
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How to see the values of a table variable at debug time in T-SQL?

Can we see the values (rows and cells) in a table valued variable in SQL Server Management Studio (SSMS) during debug time? If yes, how? ...
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Converting a date string to a DateTime object using Joda Time library

...the following format "04/02/2011 20:27:05" . I am using Joda-Time library and would like to convert it to DateTime object. I did: ...
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Best way to randomize an array with .NET

What is the best way to randomize an array of strings with .NET? My array contains about 500 strings and I'd like to create a new Array with the same strings but in a random order. ...