A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's ava...

SuperTux source code. Contribute to SuperTux/supertux development by creating an account on GitHub.

（为什么都更了这么多篇笔记了，这时候才讲这么基础的内容呢？因为我本来以为LCS这种简单的DP不用讲的，结果CF不久前考了LCS的变式，然后我发现由于自己对LCS一点都不熟，居然写不出来 ，于是决定还是写一下笔记。…

本来就闲，所在城市闹疫情后，更闲得慌了，于是在写了快两年的go语言后，决定回头“玩”C++。玩字当然是加双引号的，真实含义更多是被C++玩。 C++ 有枚举，编译后其值就被转成整数了，有时程序会有输出枚举名字的…

存储器分为两大类：ram和rom，ram就不讲了，主要讨论rom。

STM32嵌入式开发

Please note: This is being updated in real-time. The intent is to make sense of lots of simultaneous discoveries

TLDR:

刚读完了这两篇关于 xz-utils 包的供应链攻击说明，攻击者潜伏了三年，很精彩，只差一点点就可以往众多 Linux 发行版的 sshd 注入后门，可用于绕过密钥验证，后果不堪设想。
概括：
1. 攻击者 JiaT75 (Jia Tan) 于 2021 年注册了 GitHub 账号，之后积极参与 xz 项目的维护，并逐渐获取信任，获得了直接 commit 代码的权利。
2. JiaT75 在最近几个月的一次 commit 中，悄悄加入了 bad-3-corrupt_lzma2.xz 和 good…

The universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

final stage of electronic circuit design before production

Contribute to flame/how-to-optimize-gemm development by creating an account on GitHub.

Visualize Your Ideas With Code. Contribute to motion-canvas/motion-canvas development by creating an account on GitHub.

MatMul Performance Benchmarks for a Single CPU Core comparing both hand engineered and codegen kernels. - GitHub - mmperf/mmperf: MatMul Performance Benchmarks for a Single CPU Core comparing both...

Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result:
Custom Implementation, 10 trials o...