When you have a generic interface such as: It’s easy to check whether a given instance implements the IInitializable interface with a specific T: But what if you want to find out if a type implements the IInitializable interface of an arbitrary T? You won’t be able to simply get away with this: Instead, you …
.Net Tips – How to determine if a type implements a generic interface type Read More »
By now you would have no doubt heard about the new dynamic type in C# 4 and how it has changed the way you write interop code in C#. As impressed as I am by it, I have been wondering just how much (if any) of a performance hit we’d have to pay to move …
Performance Test – Dynamic method invocation in C# 4 Read More »
Given a generic class in C# like this one: You will need to specify what the type T should be when you call the constructor: The compiler is not able to use type inference to infer the type T to be int. Now, this is interesting as type inference is supported by any other generic …
The curious lack of type inference support in C# constructors Read More »
For a while now I’ve been curious as to whether the CLR uses the ThreadPool to execute a delegate when BeginInvoke is called: Whilst common sense dictates that this must surely be true, I couldn’t be certain since I haven’t managed to find any confirmation in the documentations. Thanks to Jon Skeet and Jeff Sternal …
.Net Threading – BeginInvoke uses the thread pool Read More »
Yet another useful method on the Enumerable class, the SequenceEqual method does exactly what it says on the tin and tells you whether or not two sequences are of equal length and their corresponding elements are equal according to either the default or supplied equality comparer: As you know, for reference types the default equality …
Functional programming with Linq – Enumerable.SequenceEqual Read More »
Whilst reading through the answers for this question on StackOverflow, I came across the IsDigit and IsNumber methods on the Char class. And looking at the Char class in more detail there are many more useful methods on the Char class which I didn’t realise was there before, such as: IsDigit checks if a character …
Another good question on StackOverflow, and even better answer from Steven (miles better than what I managed!), the question was around how to implement an extension method to check whether a certain method has a particular attribute applied to it, mainly for the purpose of unit testing. In his answer, Steven provided a couple of …
Came across an interesting question on StackOverflow on how one might be able to throttle the number of requests across multiple servers running the same WCF service. So for instance, if you have 3 servers sitting behind a load balancer and for one reason or another you can only allow 5 requests to be made …
Stumbled across this question on StackOverflow the other day, definitely one for the interview! The question goes: How do you convert a string such as “01110100011001010111001101110100” to a byte array then used File.WriteAllBytes such that the exact binary string is the binary of the file. In this case it would be the the text “test”. …
Converting a binary string representation into binary array in C# Read More »
Whilst most C# developer would know that in C# the string type is equivalent to the System.String type because string is simply an alias for the System.String type. There are other framework defined alias like string, such as int for System.Int32 and long for System.Int64. Whilst in normal usage the two are identical, thanks to …
Edge cases in the string vs. String comparison in C# Read More »
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