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maokai

V2EX 第 536499 号会员，加入于 2021-03-08 05:09:30 +08:00

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2022-09-19 11:22:00 +08:00

回复了 proxytoworld 创建的主题 › 问与答 › 为什么在 vscode 的 wsl terminal 可以成功 git push，在 wt 中登录 wsl git push 却要身份验证（已经在 github 配置了证书）

https://code.visualstudio.com/docs/terminal/advanced#_extension-environment-contributions
![Imgur]( https://imgur.com/y1lS0SF)

https://git-scm.com/docs/gitcredentials#_requesting_credentials
![Imgur]( https://imgur.com/mybLvOC)

2022-03-04 15:28:07 +08:00

回复了 huangya 创建的主题 › Windows › hyper-v 装 Linux 的图形界面卡顿问题

刚刚试了下，Ubuntu 22.04 里面可以 blacklist hyperv_fb 并且启用 hyperv_drm ，结合 Wayland 挺流畅的。

2022-02-16 00:20:14 +08:00

回复了 brendanliu 创建的主题 › 优惠信息 › dell u2723qe/qx 已可购买

https://superuser.com/questions/1272546/whats-the-exact-naming-scheme-for-dell-monitors

2021-11-03 09:40:29 +08:00

回复了 maokai 创建的主题 › 问与答 › 最近 Windows 每天都会报文件系统损坏错误……

@loading 不是，只用了 npm 和 yarn ，连接到国外的源

2021-07-16 21:06:28 +08:00

回复了 kebyn 创建的主题 › Node.js › callback 和 promise 性能差距疑问

哦，对了，你需要把两个 util.promisify 拿到 list_dir 外面来，这样测出的结果差距就小一些了：

❯ time node /tmp/promise.js && sleep 1 && time node /tmp/callback.js
node /tmp/promise.js 0.45s user 0.75s system 142% cpu 0.837 total
node /tmp/callback.js 0.58s user 0.99s system 196% cpu 0.800 total
❯ time node /tmp/promise.js && sleep 1 && time node /tmp/callback.js
node /tmp/promise.js 0.53s user 0.98s system 175% cpu 0.855 total
node /tmp/callback.js 0.38s user 1.00s system 173% cpu 0.794 total
❯ time node /tmp/promise.js && sleep 1 && time node /tmp/callback.js
node /tmp/promise.js 0.55s user 0.98s system 183% cpu 0.835 total
node /tmp/callback.js 0.52s user 0.86s system 173% cpu 0.797 total

❯ time node /tmp/callback.js && sleep 1 && time node /tmp/promise.js
node /tmp/callback.js 0.48s user 0.90s system 173% cpu 0.801 total
node /tmp/promise.js 0.63s user 1.02s system 192% cpu 0.857 total
❯ time node /tmp/callback.js && sleep 1 && time node /tmp/promise.js
node /tmp/callback.js 0.41s user 0.98s system 172% cpu 0.807 total
node /tmp/promise.js 0.59s user 0.89s system 172% cpu 0.857 total
❯ time node /tmp/callback.js && sleep 1 && time node /tmp/promise.js
node /tmp/callback.js 0.42s user 1.05s system 184% cpu 0.798 total
node /tmp/promise.js 0.56s user 0.95s system 177% cpu 0.848 total

2021-07-16 20:48:19 +08:00

回复了 kebyn 创建的主题 › Node.js › callback 和 promise 性能差距疑问

❯ node --version
v14.17.3

❯ time node /tmp/promise.js && time node /tmp/callback.js
node /tmp/promise.js 0.66s user 0.84s system 169% cpu 0.887 total
node /tmp/callback.js 0.42s user 1.13s system 192% cpu 0.806 total
❯ time node /tmp/promise.js && time node /tmp/callback.js
node /tmp/promise.js 0.61s user 0.92s system 169% cpu 0.899 total
node /tmp/callback.js 0.41s user 0.84s system 156% cpu 0.804 total
❯ time node /tmp/promise.js && time node /tmp/callback.js
node /tmp/promise.js 0.46s user 1.03s system 168% cpu 0.886 total
node /tmp/callback.js 0.30s user 0.76s system 134% cpu 0.783 total

❯ time node /tmp/callback.js&& time node /tmp/promise.js
node /tmp/callback.js 0.44s user 0.81s system 160% cpu 0.772 total
node /tmp/promise.js 0.64s user 0.89s system 170% cpu 0.898 total
❯ time node /tmp/callback.js&& time node /tmp/promise.js
node /tmp/callback.js 0.39s user 0.87s system 163% cpu 0.776 total
node /tmp/promise.js 0.58s user 0.92s system 168% cpu 0.885 total
❯ time node /tmp/callback.js&& time node /tmp/promise.js
node /tmp/callback.js 0.36s user 0.93s system 166% cpu 0.777 total
node /tmp/promise.js 0.61s user 0.90s system 170% cpu 0.884 total

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