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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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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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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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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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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...
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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What is this date format? 2011-08-12T20:17:46.384Z
I have the following date: 2011-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
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