What happens when you type an URL in the browser and press enter? 1. You type maps.google.com into the address bar of your browser. 2. The browser checks the cache for a DNS record to find the corresponding IP address of maps.google.com. 3. If the re…

In an extremely rough and simplified sketch, assuming the simplest possible HTTP request, no proxies and IPv4 (this would work similarly for IPv6-only client, but I have yet to see such workstation): browser checks cache; if requested object is in ca…

E212: Can't open file for writing Press ENTER or type command to continue 出现这个错误的原因可能有两个: 1.当前用户的权限不足 2.此文件可能正被其他程序或用户使用. 一般错误原因都是前者,解决方案是在使用vi命令打开文件时,前面加上sudo来临时提供管理员权限,比如使用命令“sudo vi hosts”打开编辑文件. 由此看来,sudo命令是很有用的,当我们执行某种操作系统提示诸如“operation not perm…

Win7 64位 gVim:version 8.1.1234 vim-template:github链接 安装方式: 直接下载master的zip压缩包,解压后放入本地gVim安装目录的plugin,如: C:\Program Files\Vim\vim81\plugin 此时我遇到两个问题: 一个是直接双击桌面的gVim图标打开,提示Undefined variable vim_template_subtype 其次,dos下使用vim命令,提示Press ENTER or type comm…

在linux上使用vi命令修改或者编辑一个文件内容的时候,最后发现使用<Esc+:+wq!>无法保存退出,却出现,如下提示: E212: Can't open file for writing Press ENTER or type command to continue 出现这个错误的原因可能有两个:    1.当前用户的权限不足:    2.此文件可能正被其他程序或用户使用.         一般错误原因都是前者,解决方案是在使用vi命令打开文件时,前面加上sudo来临时提供管理员权限,比…

how to auto open a url in the browser by using terminal Linux / MacOS # bash / zsh $ open http://localhost:8080 Windows # CMD / PS $ start http://localhost:8080 xgqfrms 2012-2020 www.cnblogs.com 发布文章使用:只允许注册用户才可以访问!…

Asp.Net WebAPI is a framework for building RESTful HTTP services which can be used across a wide range of clients including web, phone and desktop applications. With WebAPI we can use XML and JSON to send and retrieve data from the service. The use o…

Other Awesome Go - A curated list of awesome Go frameworks, libraries and software Visual Studio Code for Mac Developers 1.0 Docker Tutorial for Beginners From Node.js to Go Your First ASP.NET Core Application on a Mac Using Visual Studio Code The Ba…

http://www.hawstein.com/posts/ctci-solutions-contents.html 作者:Hawstein出处:http://hawstein.com/posts/ctci-solutions-contents.html声明:本文采用以下协议进行授权: 自由转载-非商用-非衍生-保持署名|Creative Commons BY-NC-ND 3.0 ,转载请注明作者及出处. 前言 <Cracking the coding interview>是一本被许多人极力推…

一个 Qt 库制作的最简化浏览器,内核是 Chromium.最大特点就是它自带命令行,可以完全用键盘操作. 下载地址: 链接:https://share.weiyun.com/5Y2Ajvn 密码:mwc4qn 基本操作: Use the arrow keys or hjkl to move around a webpage (vim-like syntax is used in quite a few places) To go to a new webpage, press o, then…