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Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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How do I get the first element from an IEnumerable in .net?
I often want to grab the first element of an IEnumerable<T> in .net, and I haven't found a nice way to do it. The best I've come up with is:
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Getting attributes of Enum's value
I would like to know if it is possible to get attributes of the enum values and not of the enum itself? For example, suppose I have the following enum :
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NOT using repository pattern, use the ORM as is (EF)
I always used Repository pattern but for my latest project I wanted to see if I could perfect the use of it and my implementation of “Unit Of Work”. The more I started digging I started asking myself the question: "Do I really need it?"
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How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
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How to implement an STL-style iterator and avoid common pitfalls?
I made a collection for which I want to provide an STL-style, random-access iterator. I was searching around for an example implementation of an iterator but I didn't find any. I know about the need for const overloads of [] and * operators. What are the requirements for an iterator to be "STL-s...
Repository Pattern vs DAL
Are they the same thing? Just finished to watch Rob Connery's Storefront tutorial and they seem to be similar techinques. I mean, when I implement a DAL object I have the GetStuff, Add/Delete etc methods and I always write the interface first so that I can switch db later.
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Adding values to a C# array
Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example:
23 Answers
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When to use std::forward to forward arguments?
C++0x shows an example of using std::forward :
3 Answers
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Why must jUnit's fixtureSetup be static?
I marked a method with jUnit's @BeforeClass annotation, and got this exception saying it must be static. What's the rationale? This forces all my init to be on static fields, for no good reason as far as I see.
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