Bit Twiddling Part 2 — Reverse engineering Profesor Klaus Intensywny Kurs to fix missing microphone — Profesor Klaus Intensywny Kurs bez mikrofonu

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This is the second part of the Bit Twiddling series. For your convenience you can find other parts in the table of contents in Par 1 — Modifying Android application on a binary level Word of warning: if you come to this post to find the solution only and you are not interested in the … Continue reading Bit Twiddling Part 2 — Reverse engineering Profesor Klaus Intensywny Kurs to fix missing microphone — Profesor Klaus Intensywny Kurs bez mikrofonu

.NET Inside Out Part 24 – Synchronous waiting for the Task in the same frame

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This is the twentieth fourth part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# Let’s take this code: and compare it with this one: They look very similar, however, they give different outputs. First … Continue reading .NET Inside Out Part 24 – Synchronous waiting for the Task in the same frame

.NET Inside Out Part 23 – Machine code address of any .NET Core method

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This is the twentieth third part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# .NET Core introduced tiered compilation and reworked AOT compilation. Previously, we could get address of machine code by calling GetFunctionPointer … Continue reading .NET Inside Out Part 23 – Machine code address of any .NET Core method

RuntimeError: generator raised StopIteration in PySpark in Python 3.7.3

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Recently I was debugging this simple PySpark code: First, we get some DataFrame. Next, we collect it to dictionary. It doesn’t matter how you create the dictionary, actually it could be a set or list as well. Finally, we do some filtering with lambda using in operator. I was running this in Python 3.7.3 and … Continue reading RuntimeError: generator raised StopIteration in PySpark in Python 3.7.3

.NET Inside Out Part 22 – Your application is always multithreaded and it’s not easy to exit properly

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This is the twentieth second part of the .NET Inside Out series. For your convenience you can find other parts in the table of contents in Part 1 – Virtual and non-virtual calls in C# We know that a .NET application is always multithreaded. GC creates threads for running finalizers and (depending on the settings) … Continue reading .NET Inside Out Part 22 – Your application is always multithreaded and it’s not easy to exit properly