ms/windows

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windows update breaks scoop apps.: use scoop reset * link

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scoop+windows+powershell+make+latexmk+miktex: use perl from msys2, and use make from scoop

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C#的async代码生成:
https://github.com/dotnet/roslyn/blob/main/docs/features/task-types.md
https://devblogs.microsoft.com/premier-developer/dissecting-the-async-methods-in-c/

都写得很烂，最后还是用反编译看懂原理的。写这么烂不如我来。