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How to generate a number of most distinctive colors in R?
I am plotting a categorical dataset and want to use distinctive colors to represent different categories. Given a number n , how can I get n number of MOST distinctive colors in R? Thanks.
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Nearest neighbors in high-dimensional data?
I have asked a question a few days back on how to find the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions:
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How are POST and GET variables handled in Python?
In PHP you can just use $_POST for POST and $_GET for GET (Query string) variables. What's the equivalent in Python?
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How can I read a function's signature including default argument values?
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How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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String formatting: % vs. .format vs. string literal
Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. Which is better and for what situations?
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What is the difference between functional and non functional requirement? [closed]
What is the difference between functional and non-functional requirements in the context of designing a software system?
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GetProperties() to return all properties for an interface inheritance hierarchy
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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How to check if there exists a process with a given pid in Python?
Is there a way to check to see if a pid corresponds to a valid process? I'm getting a pid from a different source other than from os.getpid() and I need to check to see if a process with that pid doesn't exist on the machine.
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