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 »
One of the less known aspect of the DataContractSerializer is its dependency on the order in which fields are serialized and deserialized. As this article points out, the basic rules for ordering include: If a data contract type is a part of an inheritance hierarchy, data members of its base types are always first in …
WCF – Be ware of the field ordering when using DataContractSerializer Read More »
Another gem I found on StackOverflow today (I’ve been spending a lot of time there these last couple of days..), this time in the form of a question on how to append or prepend a single value to an IEnumerable<T>. Greg provided an elegant solution to this particular problem, and here’s his answer: Which you …
Enumerable.Append and Enumerable.Prepend extension methods Read More »
Before you get your hopes up, sorry, there’s no built-in support to allow you to restrict the usage of your attribute to a type easily. That’s not to say that it’s impossible though! If you’re reading this, I assume that you’ve tried to write a custom attribute yourself and realised that the options available in …
.Net Tips – Restricting attribute usage to specific type Read More »
Now, this is something that has stung me and every single one of my colleagues time and time again.. Imagine you have an interface called IMyConfiguration which has a get-only property: And the implementing class takes in a parameter called port in the constructor and sets the value of the property using a private setter …
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