5 Nov 2022
Fun fact: While implementing an interactive widget/canvas system based on the DisplayPDF spec, I discovered a subtle bug in a heavily-optimized C graphics library when rendering certain kinds of paths, due to the use of atan() instead of atan2().
Yeah, good code is hard.
4 Nov 2022
This is still my favourite example of someone not understanding how complicated code can be
ALT Screenshot of twitter conversation. One person says "Can anyone suggest some free software for editing PDFs?". Someone replies saying "No offense, but you're a programmer. How hard would it be to create a program that does what you need? Not really motivating when an experienced professional programmer asks about a simple app task that should be able to be created easily"
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@kamiya344 preview、アプリはDisplayPDFビューワーのみで、ファイル解析とか変換とかをOS側にもってる感じですがはい
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