When it comes to debugging software, tools are extremely important. Get the right tool and you extract the right information. Get the right information and you can find the root cause of the issue. Find the root cause and you've solved the bug.

There are many ways to communicate between a C# client and a C# server. Some are robust, others not so much. Some are very fast, others aren't. It's important to know the different options so you can decide what's best for you.

You’re sending an HTTP request to your ASP.NET server, and out of the blue, it returns a 500 error. Now what? The error code doesn’t say too much by itself. Did a database request fail? Was there an exception? In this article we'll see how to get the most information on the error.

It's not so rare to see weird things happen in 3rd party library code. Call some method and you've got a strange exception. Or an incorrect behavior or even a process crash. It sure would be nice to debug some of these issues. In this article we're going to do just that - You'll see how to debug 3rd party library code in Visual Studio.

You might have heard about OzCode before. It's an extension for Visual Studio. Like ReSharper, but with very different functionality. The single purpose of OzCode is to help you debug code and find the root cause of problems. In this blog post, I'm going to tell you about some amazing features in OzCode from my perspective and why you should try it out.

Lock contention is a state where one thread is waiting for another while trying to acquire a lock. Whatever time spent waiting for the lock is "lost" time that is wasted doing nothing and causes performance problems. In this article, you'll see how to detect lock contention problems, debug them, and find the core cause of the issue.

Performance issues never seem to disappear from the world, no matter how fast new computers become. To deal with those issues we need proper tools. We have some great tools on Windows. On .NET Core with Linux, things are not so great. But they're getting better.

.NET Core 3 was recently released and brought with it a bunch of innovations, including a brand new JSON (de)serializer System.Text.Json. We're going to compare this serializer with Newtonsoft.Json and other major .NET serializers. Check out this epic performance battle.

There's an incredible built-in mechanism in Windows called Performance Counters that allows you to follow a whole lot of useful metrics. It's easy to use, comes free, and perhaps not used as much as it deserves. In this article, we'll see how to monitor performance counters with PerfMon, ...