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转载 01 | VIM基础攻略
启动 vim 后,vim 处于 normal 模式。 Step One: "i" -> insert 模式, ESC -> normal 模式; "x" -> 删除光标所在字符; "dd" -> 删除光标所在行,并把所删除的行存在剪贴板里; "p" -> 粘贴剪贴板; normal 模式下 "h" -> 光标左移; normal 模式...
2019-06-12 21:15:00
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转载 01 | 我不想成为一个全栈开发工程师
I don't want to be a full-fullstack developer I am a Ruby Developer. I am a fullstack web dev. And I am tired of being one. I am also tired of being a business analyst and a manual QA at times. ...
2019-06-02 23:11:00
346
转载 01 | Jewels and Stones
Question You're given stringsJrepresenting the types of stones that are jewels, andSrepresenting the stones you have. Each character inSis a type of stone you have. You want to know how ...
2019-06-02 21:36:00
154
转载 00 | 快应用开发
场景: 快应用前端开发中,遇到多次快速点击上下箭头进行切换的button,会有短暂的上下箭头同时出现的情况。 源代码: <div if="{{!isup}}"> <img src="/Common/img/down.png" /> </div> <div...
2019-05-26 23:39:00
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转载 00 | QPS
每秒查询率 QPS Query Per Second 某个查询服务器 在 规定时间内 处理了多少流量 对应的fetches/sec,即每秒响应请求数,就是最大吞吐量 原理:每天80%的访问集中在20%的时间中,这20%的时间叫做峰值时间公式:(总pv * 80%) / (每天秒数 * 20%) = 峰值时间每秒请求数(QPS)机器:峰值时间每秒QPS /...
2019-05-26 23:28:00
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转载 00 | 为什么下一个开源项目可能仅是一个接口
We are likely to see more open interfaces and metaframeworks emerge, but they have their drawbacks. 我们也许会看到更多开放接口和原框架出现,但是他们都有各自的缺点。 What do deep learning, serverless functions, ...
2019-05-26 23:23:00
217
转载 00 | Two Sum
Question Given an array of integers, returnindicesof the two numbers such that they add up to a specific target. You may assume that each input would haveexactlyone solution, and you may no...
2019-05-23 19:22:00
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