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Computer Graphics

Scratch A Pixel - Reflection

Implementation of Screen Space Reflection.

Yiwei Gong

May 14, 2020

A brief introduction to Screen Space Reflection.

How to renew your code-Sign certificate if you lost your private key

Code-Sign is critical to delivering software to the public. The modern operating system will prevent launching an unknown software. Only the one with a proper code-sign certificate is allowed to start. For Windows 10, a famous popup shows up when the user is trying to launch the software from an

Jun 18, 2021 2 min read

动物庄园，自由和平等的谎言引发的独裁

一部小说描述的是故事情节，一则寓言揭示的是事物的本质。《动物庄园》出版于1994年，值二战胜利前夕。作者乔治.奥威尔在书中描写了一只猪引发的革命，随着时间推移，革命开始退化为独裁统治，并最终失败。

Dec 24, 2020 6 min read

树莓派，iPad最佳DevOps配件

虽然Macbook现在已经非常轻便了，然而iPad显然比Macbook更加优雅。我的大部分工作现在都能在iPad上完成了，然而还有很大一部分代码相关的工作不能在iPad上完成。尤其是有些时候需要测试简单的代码，iPad基本不能为力。

Nov 29, 2020 7 min read

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