Lucas Trzesniewski

@Lucas_Trz

Software engineer, I write stuff remotely resembling code.

Vrijeme pridruživanja: travanj 2018.

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  1. 30. sij

    Even though I've seen the talks, I can't wait to read the remaining parts. It's actually more detailed and probably easier to grasp than the talk since there's no inherent time constraint in this format. Really good job! 👍

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  2. 30. sij

    Ok, listen. If you're interested in high-performance and optimized code, do yourself a favor and read these posts where explains how he optimized the hell out of array sorting using AVX2 in C#. It's clear, approachable and has great visualizations.

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  3. proslijedio/la je Tweet
    30. sij

    My vectorized sorting extravaganza is out and about. A LOT of work went into this (referring to the javascript in the posts :) Read, retweet, send scathing reviews, open issues, heat your house with it: This goes to Eleven! Pt. 1-3, code, nuget out:

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  4. proslijedio/la je Tweet
    23. sij

    The core of is now open-sourced: You can download Lifetimes library for graceful disposal, concurrency and reactive programming from NuGet:

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  5. proslijedio/la je Tweet
    22. sij

    My PR to Iced just got merged, I'm so happy about this, my longest PR ever made for an OSS project I don't own! 🤗 This x86-64 high level assembler API will be used intensively in to directly implement some low level kernel code.

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  6. 20. sij

    InlineIL has reached 100 stars! 😀 Thanks everyone! I didn't really expect such a niche library to reach that number.

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  7. proslijedio/la je Tweet
    19. sij

    1/n It has always bugged me that I can't run my 64-bit C# games on MS-DOS. Today I fixed that. A thread.

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    19. sij

    Here is the last entry in the "Polygons of Another World" series. There were no better machine than the legendary Super Nintendo to ends it all:

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  9. 15. sij

    Oh, except that nested type forwarders are not marked with IsTypeForwarder, only their declaring type is. ECMA-335 is unclear on this point, but that's what System.Runtime does.

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  10. proslijedio/la je Tweet
    14. sij
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  11. 13. sij

    Today I learned (the hard way) that in a .NET assembly the ExportedType metadata table can actually contain two different types of data. If you want a type to be forwarded, it needs to have the IsTypeForwarder flag set. ARGH! This should have been split into two tables.

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    12. sij

    A common misconception about double-precision floating-point is that it has 15-17 digits of precision. 1/

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    9. sij

    1/7 Did you ever need to run a piece of C# code on Windows 3.11? Me neither, but I did it anyway. A thread.

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  14. proslijedio/la je Tweet
    9. sij

    The #1 rule of GC in .NET is "don't call GC.Collect". Except if you've done "a lot" of work and know you've left lots of garbage. Paint​.NET does this all the time -- it is carefully metered (debounced) and is important for keeping both working set and disk space usage minimized

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  15. proslijedio/la je Tweet
    8. sij

    1/5 How about a 2,121 byte version of the C# game? Still 100% self-contained. Here's what I did:

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  16. 7. sij

    Does anyone know why would complain about me trying to use nullable reference types in some .NET Standard 2.0 projects but not in others? Yes, I know that's not supported by MS, but it should work.

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  17. proslijedio/la je Tweet
    6. sij

    Coming in 6 P2 this week: Inspect the disassembly of the native code generated in a ReadyToRun binary for .NET Core by learn more at

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  18. proslijedio/la je Tweet
    5. sij

    Happy new year: pstacks is now a global CLI tool! - "dotnet tool install --global dotnet-pstacks" to install it - "dotnet pstacks <pid or .dmp file path>" to get your parallel stacks

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  19. proslijedio/la je Tweet
    4. sij

    Some notes for people who need to use C# 8 nullable reference types on old .NET TFMs:

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  20. proslijedio/la je Tweet
    4. sij

    Happy fourth of January. Here is the fourth part in the "Polygons of Another World" series. This entry is about the PC DOS version:

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