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 …
As you most likely know already, there are ToLower() and ToUpper() methods on the String class in C#, but a method to convert a string to ‘Title Case’ is sadly missing. Support for this useful conversion exists in the TextInfo class which has a ToTitleCase method, but you can’t instantiate a new instance of the …
.Net Tips – String.ToTitleCase() extension methods Read More »
You can find the current time in a different time zone using the TimeZoneInfo class. To find all the available system time zones: From the returned values you can see the So, if I want to find out what the time is in Amsterdam: I can do this to get the time in HH:mm:ss format:
With WCF, provided that you’re using the DataContractSerializer and not the NetDataContractSerializer, you have a certain degree of protection against data contract changes from the client’s perspective. Existing contracts will still work if existing members are not removed from the data contract, which means you are free to add new members to the data contract …
WCF – Data Contract version round-tripping using IExtensibleDataObject Read More »
DataContractSerializer For those of your who are familiar with WCF you would no doubt know about the DataContractSerializer class, the DataContractSerializer does not include the CLR type information in the serialized XML, which allows for loose coupling between the client and server because they don’t have to share the same CLR types. However, this also …
WCF – Using the NetDataContractSerializer to share your type Read More »
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