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R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
Does R have a concept of += (plus equals) or ++ (plus plus) as c++/c#/others do?
8 Answers
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How do I measure separate CPU core usage for a process?
Is there any way to measure a specific process CPU usage by cores?
8 Answers
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
I don't know what I've done incorrectly, but I can't include JSTL. I have jstl-1.2.jar, but unfortunately I get exception:
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unsigned int vs. size_t
I notice that modern C and C++ code seems to use size_t instead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
I have searched about static variables in C#, but I am still not getting what its use is. Also, if I try to declare the variable inside the method it will not give me the permission to do this. Why?
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method overloading vs optional parameter in C# 4.0 [duplicate]
which one is better? at a glance optional parameter seems better (less code, less XML documentation, etc), but why do most MSDN library classes use overloading instead of optional parameters?
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Named Branches vs Multiple Repositories
We're currently using subversion on a relatively large codebase. Each release gets its own branch, and fixes are performed against the trunk and migrated into release branches using svnmerge.py
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What are all the escape characters?
I know some of the escape characters in Java, e.g.
4 Answers
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Convert a Python list with strings all to lowercase or uppercase
I have a python list variable that contains strings. Is there a python function that can convert all the strings in one pass to lowercase and vice versa, uppercase?
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Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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