Sometimes small changes make have a large impact. An example is the exception-handling difference of Delegate.BeginInvoke and ThreadPool.QueueUserWorkItem. I’m working on a WPF-client application, which does quite a lot of…
Read moreWhen you design a domain model you normally have lots of 1:n and n:n relations. Many developers are quite familiar how to translate such relations into a relational model. But…
Read moreRemember my very first post about db4o? There I’ve made the statement that the tool-support is very bad. Well I don’t revise my opinion here. The situation is still bad…
Read moreA new version of favorite dependency-injection-container Autofac is making progress. It follows the same principals, brings some new features etc. However they also refactored the API, so it isn’t compatible…
Read moreIt has been a while since I’ve wrote my last post about db4o. You may remember the post about the activation-mechanism. Don’t you think that this is quite painful? Activating…
Read moreThe INotifyPropertyChanged-interface and companions are a well know citizens of the .NET-framework. How do you implement this interfaces?. Does it look similar to this? public class Person : INotifyPropertyChanged {…
Read moreSo far we’ve always used a single object container. This it the simplest way to used db4o. Just open an embedded database an use it. In this post I’ll give…
Read moreIn this post I’ll explain a little catch in LINQ, which may some beginners fall into: What’s the difference between those two queries? IEnumerable<Person> listOfEntities = LoadData(); // First version…
Read moreToday nearly every application has some concurrent parts. In a classic desktop-application some work is done in the background to keep the application responsive. In a web-application more than one…
Read moreThe Maybe-Monad sounds like some magic, but it’s something terrible simple. Its a computation which returns a result or ‘Nothing’. Often the a null-reference is used to represent ‘Nothing’. This…
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