In C#, there are two ways for you to declare a constant variable, you can either declare the variable as readonly, or const: readonly A variable declared with the readonly modifier can only be assigned as part of the declaration or in the class’s constructor: const A variable declared with the const modifier must be …
Of all the methods available on the Enumerable class, OfType<T> is arguably one of the most useful and yet under utilized method. For example, you have a list of Cat and Dog objects, all inheriting from a common Animal class, but occasionally you want to perform operations on only the dogs or cats, and that’s …
Functional programming with Linq – Enumerable.OfType Read More »
If you have an interface like this: with a concrete class like this, which you want to wire up with Castle: Then here’s the syntax to specify the component in your Castle Windsor configuration file Similarly, imagine if you have more than one generic type parameter: Remember, you need to use the back tick (`), …
Castle Windsor Tips – specifying generic types in config file Read More »
I ran into a versioning problem when I tried to use the latest version of FluentNHibernate with the latest version of LINQ to NHibernate because LINQ to NHibernate is built using a later version of the NHibernate binaries. After doing a little search, I found a version of NHibernate which both LINQ to NHibernate and …
NHibernate 2.1.0 GA with LINQ to NHibernate and FluentNHibernate Read More »
Whilst working on an image view I needed the ability to bind the value of a Slider to a ScaleTransform as a percentage value and at the same time display the value of the slider in a label. So for a zoom range from 1% to 250% you would usually set the Minimum and Maximum …
WPF – how to bind ScaleTransform to Slider, percentage style! Read More »
Back in my first post on AOP, I mentioned the Memoizer on D. Patrick Caldwell’s blog, well, today I came across a situation where I was able to use it but first I needed to make a few modifications because the original implementation didn’t satisfy some of my requirements: There is no cap on the …
Of all the cursors that we come across on a daily basis, the grab and grabbing cursors are two notable absentees in the list of supported cursors in WPF/Silverlight. So if you happen to need these two cursors as I did earlier in the day, then here’s a few easy steps to get you going: …
WPF – loading grab and grabbing cursors from resource Read More »
So often when you are working on a solution with multiple projects you will have to change the contents of the AssemblyInfo.cs file for each project so the DLLs show the correct company, trademark, and most importantly version numbers. This is a very laborious task and chances are you might have been wondering how you …
.Net Tips – use a shared AssemblyInfo.cs for your solution Read More »
As I’ve mentioned in my previous post, the biggest problem with using the .Net ThreadPool is that there’s a limited number of threads in the pool and you’ll be sharing with other .Net framework classes so you need to be on your best behaviour and not hog the thread pool with long running or blocking …
There are a lot of discussions on the pros and cons of using the ThreadPool and creating your own threads. Having spent a bit of time reading what others have to say, here’s a summary of the things I’ve picked up on. The problem with creating your own threads Creating and destroying threads has a …
Threading – using the ThreadPool vs. creating your own threads Read More »
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