.NET type forwarding
This feature has apparently existed for years, but I found out only now. CLR has an equivalent of HTTP redirect for types, it is called You can move a class […]
Hacker’s diary
VS 2019 and AspNet.Core: the world of weird errors
I was experimenting with creating new projects out of templates in VS 2019, and to my surprise ran into a lot of trouble and error messages. One time it told […]
Unity container: when it is too much magic
“Any sufficiently advanced technology is indistinguishable from magic” Athur C. Clarke While reviewing some code, I stumbled upon a class that receives an ObservableCollection<ILogFormatter> in the constructor. I discovered that this […]
Whatsapp: bad system design for the masses
I’ve been using Whatsapp for about 2 years now, and it was more or less OK, until I bought a new phone and tried to move my account there. This […]
C#: How to shoot yourself in the foot with a generic extension method
TL;DR: wrapping existing method DoSomething(MyData data), with an identically named generic extension method DoSomething<T>(T data) is a bad idea, since it erases compile-time type checking. DoSomething() may now be called […]
Javascript: implicit semicolon is NOT your friend
Today I spent several hours trying to find out why this code does not work: function doit() { return someObject .method1() .method2(); } but this one does: function doit() { […]
Rant about Win32 API
Coming back from .NET Framework, it feels like Win32 API was invented by some rather cold people with total disregard for the well being of the application programmers. Every other […]
.NET string comparison is not lexicographical
This Friday I wrote a unit test and to my astonishment I have found that “a” < “A” < “ab”, with .NET InvariantCulture and InvariantCultureIgnoreCase string comparers. That means that .NET […]
Insane Apache RewriteRules
I have just spent a few fun hours fighting Apache rewrite rules in an .htaccess file. It turns out that temporary redirects just work, but permanent redirects require RewriteBase! Frankly, […]
TaskTimer: how to execute task on a timer
Over the week-end I created the TaskTimer class that allows to execute code on timer in an async method: static async Task DoStuffOnTimer() { using (var timer = new TaskTimer(1000).Start()) { foreach (var task in timer) { await task; DoStuff(); } } } Source […]