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Is there a performance difference between a for loop and a for-each loop?
What, if any, is the performance difference between the following two loops?
16 Answers
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Is the practice of returning a C++ reference variable evil?
...think; I'm not sure if the opinion will be unanimous (I've seen a lot of code snippets where references are returned).
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Code Golf: Collatz Conjecture
Inspired by http://xkcd.com/710/ here is a code golf for it.
70 Answers
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How to check if an object is nullable?
How do I check if a given object is nullable in other words how to implement the following method...
14 Answers
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Calling virtual functions inside constructors
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What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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Iterate over the lines of a string
I have a multi-line string defined like this:
6 Answers
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What is the difference between a definition and a declaration?
The meaning of both eludes me.
23 Answers
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Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
15 Answers
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Best practice for partial updates in a RESTful service
I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...