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HttpClient连接池抛出大量ConnectionPoolTimeoutException: Timeout waiting for connection异常排查 今天解决了一个HttpClient的异常,汗啊,一个HttpClient使用稍有不慎都会是毁灭级别的啊。 这里有之前因为route配
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posted @ 2020-01-02 21:25
PanPan003
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HttpClient连接池的连接保持、超时和失效机制 HTTP是一种无连接的事务协议,底层使用的还是TCP,连接池复用的就是TCP连接,目的就是在一个TCP连接上进行多次的HTTP请求从而提高性能。每次HTTP请求结束的时候,HttpClient会判断连接是否可以保持,如果可以则交给连接管理器进行管
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posted @ 2020-01-02 21:15
PanPan003
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root@platform-adsproxyapi-deployment-5dd7fbfbc7-x7cgl:/app# apt-get install apache2-utils Reading package lists... Done Building dependency tree Readi
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posted @ 2020-01-02 20:37
PanPan003
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https://www.cnblogs.com/peida/archive/2013/03/11/2953420.html ss是Socket Statistics的缩写。顾名思义,ss命令可以用来获取socket统计信息,它可以显示和netstat类似的内容。但ss的优势在于它能够显示更多更详细的
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posted @ 2020-01-02 20:26
PanPan003
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root@platform-adsproxyapi-deployment-b4979bd6-ck5df:/app# netstat -ant |grep 172.16.32.80:8080|grep -i "ESTABLISHED"|wc -l
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posted @ 2020-01-02 20:10
PanPan003
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root@platform-adsproxyapi-deployment-5dd7fbfbc7-66m8f:/app# netstat -a bash: netstat: command not found root@platform-adsproxyapi-deployment-5dd7fbfbc7-66m8f:/app# apt-get install net-tools Reading pa
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posted @ 2020-01-02 17:08
PanPan003
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相关学习文档: Database Systems: The Complete Book
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posted @ 2019-12-06 21:01
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posted @ 2019-12-02 15:13
PanPan003
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model定义,使用DisplayAttribute enum定义,使用DisplayAttribute 解析DisplayAttribute for class 解析DisplayAttribute for enum 辅助model定义
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posted @ 2019-11-22 11:50
PanPan003
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Tutorial: Intro to React This tutorial doesn’t assume any existing React knowledge. Tip This tutorial is designed for people who prefer to learn by do
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posted @ 2019-11-15 11:30
PanPan003
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Create a New React App Use an integrated toolchain for the best user and developer experience. This page describes a few popular React toolchains whic
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posted @ 2019-11-15 11:26
PanPan003
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Add React to a Website React has been designed from the start for gradual adoption, and you can use as little or as much React as you need. The majori
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posted @ 2019-11-15 11:15
PanPan003
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1.官网下载地址:http://ffmpeg.org/download.html ffplay.exe ffplay是用于播放的应用程序。 ffprobe.exe ffprobe是用于查看文件格式的应用程序。 ffmpeg.exe ffmpeg是用于转码的应用程序 2.播放m3u8文件(.m3u8文
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posted @ 2019-11-14 15:14
PanPan003
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可打电话的 2G、能够上网的 3G、满足移动互联网用户需求的 4G 相比,逐步可以商用的 5G 在多重性能上更胜一筹,如 高数据率; 低延迟; 更节能; 有效地降低通信成本; 具备更高的系统容量; 更可靠的连接; 平均下载速度 1GBps,最高 20GBps ...... 高数据率; 低延迟; 更节
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posted @ 2019-11-08 14:30
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官网地址:http://sass.bootcss.com/ Sass(Syntactically Awesome Stylesheets) Sass 是成熟、稳定、强大的 CSS 扩展语言。 特征 兼容 CSS 语法 Sass 完全兼容个版本的 CSS 语法。我们对语法兼容严格把控,你可以放心的使用
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posted @ 2019-11-06 17:37
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原文链接:How to Use Sass and Styled Components in a React JS Application
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posted @ 2019-11-06 16:14
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官网链接:https://yarnpkg.com/lang/en/ 特性 Ultra Fast. Yarn caches every package it downloads so it never needs to download it again. It also parallelizes o
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posted @ 2019-11-06 15:56
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blog:JavaScript Module Systems Showdown: CommonJS vs AMD vs ES2015 官网链接: Modules 官网链接:Hot Module Replacement(概念) 官网链接:Hot Module Replacement(API) Modu
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posted @ 2019-11-06 11:59
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官方地址:https://www.webpackjs.com/ Concepts At its core, webpack is a static module bundler for modern JavaScript applications. When webpack processes yo
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posted @ 2019-11-06 11:57
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原文链接:Let’s build a full stack MongoDB, React, Node and Express (MERN) app github源码地址:jelorivera08/react_fullstack from being a Front End Developer to
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posted @ 2019-11-06 11:15
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原文链接:Using React in Visual Studio Code 原文链接:Live edit and debug your React apps directly from VS Code — without leaving the editor github源码示例:microsof
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posted @ 2019-11-06 11:00
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原文连接 历史 React是一个用于构建Web应用程序UI组件的JavaScript库。 React由Facebook维护,许多领先的科技品牌在其开发环境中使用React。 React被Facebook,Uber,Netflix,Twitter,Udemy,Paypal,Reddit,Tumblr,
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posted @ 2019-11-06 10:46
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Introducing JavaScript objects
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posted @ 2019-10-31 19:30
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Bitwise operators
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posted @ 2019-10-31 19:29
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Inheritance and the prototype chain
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posted @ 2019-10-31 19:28
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Expressions and operators
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posted @ 2019-10-31 19:27
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问答原文:How do JavaScript closures work?
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posted @ 2019-10-31 19:26
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原文链接:A re-introduction to JavaScript (JS tutorial) Why a re-introduction? Because JavaScript is notorious for being the world's most misunderstood pro
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posted @ 2019-10-31 10:13
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原文链接:Getting Started with Git
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posted @ 2019-10-30 17:13
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原文链接1:How to Connect to an API with JavaScript 原文链接2:How to Use the JavaScript Fetch API to Get JSON Data
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posted @ 2019-10-30 17:11
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browserify webpack Grunt Grunt
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posted @ 2019-10-30 14:16
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突然理解了各大电信公司客服说的最多的一句话“您提交的申请将会在**小时之后生效,建议您到时登陆查看”。 分析之后,我认为这里面大多的原因在于: 1.定时任务; 2.缓存有效期。 可见这么庞大的公司,目前对缓存的处理也未想出更好的解决方式(如果可以更及时的处理这些数据更新的需求,应该可以解决客服人员不
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posted @ 2019-10-30 11:17
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posted @ 2019-10-29 16:53
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JavaScript technologies overview
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posted @ 2019-10-29 16:51
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原文链接:Understanding Syntax and Code Structure
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posted @ 2019-10-29 14:28
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how to Install and Use Node.js and npm (Mac, Windows, Linux) In order to use almost any development tools based in JavaScript, you'll need to know how
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posted @ 2019-10-29 14:27
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原文链接 Getting Started with React - An Overview and Walkthrough Tutorial Prerequisites There are a few things you should know in advance before you star
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posted @ 2019-10-29 14:26
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原文链接:Introduction to the DOM Introduction The Document Object Model, usually referred to as the DOM, is an essential part of making websites interacti
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posted @ 2019-10-29 14:18
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View on GitHub Note: A commonly accepted practice is to use const except in cases of loops and reassignment. However, in this resource I'll be using l
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posted @ 2019-10-29 12:16
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原文链接:Understanding Data Types in JavaScript Data types are used to classify one particular type of data in programming languages. For instance, a numb
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posted @ 2019-10-29 11:59
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