# 每周分享第 42 期

1. Dart 2.5 发布
1. Rust USB device 库 https://github.com/mvirkkunen/usb-device
1. 同步视频的 timecode https://github.com/cnbeining/autotimecode
1. xv6 今年换到了 riscv https://github.com/mit-pdos/xv6-riscv-fall19
1. pdf 文本搜索 https://pdfgrep.org/
1. iOS 13 正式版发布
1. exFAT 驱动进入 Linux 5.4 [Microsoft exFAT File-System Mailed In For Linux 5.4 Along With Promoted EROFS & Greybus](http://www.phoronix.com/scan.php?page=news_item&px=Linux-5.3-Staging-Changes)
1. Bash 详细教程 https://github.com/dylanaraps/pure-bash-bible
1. Rust 编译到 iOS bitcode https://github.com/getditto/rust-bitcode
1. JS 运行时间 in V8 https://v8.dev/blog/cost-of-javascript-2019#json
1. USB3.0 PIPE 接口实现 https://github.com/enjoy-digital/usb3_pipe
1. LLVM 9.0 发布 https://lists.llvm.org/pipermail/llvm-dev/2019-September/135304.html
1. Safari 13.0 发布
1. Rust 模板引擎 https://github.com/botika/yarte
1. systemd 开始掌握 home 目录 https://www.phoronix.com/scan.php?page=news_item&px=systemd-homed
1. 命令行的 cheatsheet 工具 https://github.com/denisidoro/navi