JavaBean What JavaBean实际上就是java中的一个类。 Why 因为在软件开发中，会有很多功能和数据都重复使用，为了降低代码冗余重复，则要把他们封装起来，javabean就是这么一个东西 How BeanUtils What BeanUtils实际上用java写的一个api（Application Programming Interface） Why todo How
[1] https://stackoverflow.com/questions/3586158/how-to-empty-an-javascript-array
Tons of footage is uploaded to YouTube every minute. But what if you want to download a video? Here’s how. There are billions of hours of video on YouTube. Literally. And that’s hardly the most astounding statistic about the site, which has been the go
What todo应用中的解释（嵌套） 是Extensible Markup Language的缩写，翻译为”标记可扩展语言“。和HTML性质差不多。 Why 因为在实际当中，数据的传输很有可能格式不兼容，为了避免要格式转换或者无法使用，数据交换标准XML就出现了。 todo传输和存储数据 How 见语法文档 DTD约束 What 一种
How can I set up an editor to work with Git on Windows? Building on Darren's answer, to use Notepad++ you can simply do this (all on one line): git config --global core.editor "'C:/Program Files/Notepad++/notepad++.exe' -multiInst -no
10 most in-demand skills for the future of work First Paragraph: While things are rapidly changing everyday, getting prepared for the future is always the key to success. So what will be the most demanded skills in future? Preface coding has predicted
最近由于负责交叉编译AI项目，包括tensorflow和pytorch，其中tf是用bazel管理编译的，为了确保自己制作的交叉编译工具链能正常运行，不得不把原生的bazel做了一些修改来支持交叉编译，主要是砍掉了一些对绝对路径依赖的限制（正常的交叉编译工具链都是放在/opt目录下面的绝对路径）。 一般情
https://github.com/sunjincheng121/know_how_know_why/tree/master/khkw/No31-e2e-exactlyonce
https://github.com/sunjincheng121/know_how_know_why/tree/master/khkw/No24-restart
今天看到群里有些人问的问题很简单，没有认真了解，就上来问，令人很无语，阅读他们的问题简直就是浪费时间。之前一直听说过提问的智慧，才发现一直没有仔细阅读过，正好此次阅读一遍，下面做一些简要记录，方便我个人的学习。 提問的智慧：https://github.com/ryanhanwu/How-To-Ask-Questions-The-
注：本文基于Kibana 7.13.4版本 1. 背景 在上一篇文章——Kibana常用搜索语法，我们简单介绍了kibana的常用搜索语法，但在实际使用中，总是出现各种异常，为什么明明存在的字符串就是匹配不到，搜不出来，今天我们就来稍微深入下Kibana的搜索原理。 2. 关于Kibana的正则表达式 因为Kibana
nginx从1.9.0开始，新增加了一个stream模块，用来实现四层协议的转发或负载均衡。This module is not built by default, it should be enabled with the --with-stream configuration parameter. 关键参数 Syntax: proxy_upload_rate rate; Default: proxy_upload_rate 0;
天是伊格那丢的生日。他邀请了很多朋友。现在该吃晚饭了。伊格那丢想知道他至少需要多少张桌子。你要注意，并不是所有的朋友都认识彼此，所有的朋友都不想和陌 生人呆在一起。 这个问题的一个重要规则是如果我告诉你A认识B, B认识C，这意味着A B C彼此认识，所以它们可以留在一个表中
创建用户 $ sudo adduser <username> # 加下来输入密码和其他个人信息即可，会自动创建家目录 $ sudo usermod -aG sudo <username> # 使新创建的用户具有执行 sudo 命令的权限 删除用户 $ sudo deluser <username> 参考 How to Add and Delete Users on Ubuntu 18.04
Have you ever thought, how ‘nodemon’ works internally? Let’s build our own ‘nodemon’ in under 10 minutes! A must know topic for JavaScript dev interviews! Hey
This will work for any entity – custom or out-of-the-box. All that is involved is 1) creating an auto number entity and record, 2) creating a relationship with the entity you would like to have an auto number in, and 3) making a real-time work
https://www.howtogeek.com/424334/how-to-use-the-vmstat-command-on-linux/ What Is Virtual Memory? Your computer is fitted with a finite amount of physical memory called random access memory (RAM). This RAM needs to be managed by the kernel and shared betw
Created by Wang, Jerry, last modified on Mar 25, 2015
Created by Wang, Jerry, last modified on Mar 24, 2015
Some quick thoughts from Serverlessconf, Austin in April 2017 I wanted to take a bit of time to write up what I thought were some of the main themes I noticed at Serverlessconf Austin. I learned a lot and met some great people, so thanks a ton to A Cloud
返回 Video 目录 目录 1. Introduction and Course Overview 课程简介 1.1 Welcome 欢迎同学们！ Video（00:00:48） 1.2 Message from Dom 麦肯锡董事长谈课程设立初衷 Video（00:00:54） 1.3 Hard Skills and Soft Skills 硬技能与软技能 Video（0
How to turn off a laptop keyboard Turning off your laptop keyboard is perhaps a little harder than it should be, but with good reason. It’s certainly not the sort of thing you’d like to do by accident. We’re going to show you how you can permanently disab
@echo off (cd /d "%~dp0")&&(NET FILE||(powershell start-process -FilePath '%0' -verb runas)&&(exit /B)) >NUL 2>&1 title Office 2019 Activator r/Piracy echo Converting... & mode 40,25 (if exist "%Progr
一，开篇 软件行业名著《人月神话》中提到，本质复杂度(Essential C omplexity)和偶然复杂度（Accident Complexity）。 思考框架遵循的原则： 以终为始 任务分解 沟通反馈 自动化 优秀程序员的开发效率是普通程序员的 10 倍 Where are we?（我们现在在哪？） Where are we going?（我们
