Another version of this product is already installed…
Trying to upgrade my Apache server, and getting this helpful message from Windows Installer. Well, this time I know it is Apache, but how many times I did not? How […]
Hacker’s diary
WPF: Passing Data to Sub-Views via DataContext Causes Trouble
Imagine I have a main view that contains a number to sub-views. To be concrete, let’s assume that the sub-view is a user control of type PersonView that displays person’s […]
Possible WPF Bug: Input Field with Invalid Input Not Highlighted On Startup
I am building a WPF demo, and I wanted to include validation. My scenario cannot be simpler: I show a form to create a shipment, and when you click “Save” […]
MessageBoxes and worker threads
This will hopefully become a more organized article with code samples, but I need to record my results for now. Here’s the practical problem I encountered in the application I […]
.NET: Exception stack trace has no frames above the catch point
I never thought about it, but it turns out that exception’s stack trace does not contain the full stack. Instead, it contains only frames between the point where the exception […]
WPF: Merged dictionary parser depends on XML attribute order
Does attribute order in XAML matter? It should not, but sometimes it does. The following XAML compiles, but blows up at runtime with “Item has already been added” exception, both […]
ClickOnce Publisher WTF
Today ClickOnce publisher came up with this message: “The application platform does not match the existing application on the server. Do you want to overwrite it?” What is the platform […]
Database proramming rant
After a long while I am back to dealing with databases directly from ADO.NET. Guys, this is ridiculous. Any serious library designed like that would be heckled. This is what […]
VS 2008 unit test host cannot run tests in one thread
Our UI code is single threaded and UI classes use some shared static data. They work just fine, but the unit tests sometimes fail. Investigation led to threading issues. Visual […]
WPF: Is clone of Freezable frozen?
WPF defines a Freezable type that is a base class for “almost immutable” objects. They can be setup in read/write mode and then “frozen” which makes them immutable and thread […]