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Map implementation with duplicate keys
I want to have a map with duplicate keys.
18 Answers
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Difference between java.lang.RuntimeException and java.lang.Exception
Someone please explain the difference between java.lang.RuntimeException and java.lang.Exception ? How do I decide which one to extend if I create my own exception?
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Is git-svn dcommit after merging in git dangerous?
My motivation for trying out git-svn is the effortless merging and branching. Then I noticed that man git-svn(1) says:
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Equivalent of “throw” in R
How does one "throw" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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What is the difference between #import and #include in Objective-C?
What are the differences between #import and #include in Objective-C and are there times where you should use one over the other? Is one deprecated?
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What are copy elision and return value optimization?
What is copy elision? What is (named) return value optimization? What do they imply?
4 Answers
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What is the difference between square brackets and parentheses in a regex?
Here is a regular expression I created to use in JavaScript:
3 Answers
3
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How do you maintain development code and production code? [closed]
What are the best practices and rules-of-thumb to follow while maintaining code? Is it good practice to have only the production ready code in the development branch, or should untested latest code be available in the development branch?
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What is the concept of erasure in generics in Java?
What is the concept of erasure in generics in Java?
8 Answers
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Difference between declaring variables before or in loop?
I have always wondered if, in general, declaring a throw-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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