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Analysis 1. First, this is the easiest example to get started with koa2. I will show you the onion model of koa2 with this example. const Koa = require('koa'); const app = new Koa(); app.use((ctx,next)=>{ console.log("First Middleware Execution"); next() ; }); // Second Middleware app.use((ctx,next)=>{ console.log("Second ...

Usually when we talk about Node. js, we talk about asynchrony. In fact, Node.js performs asynchronous calls in different scenarios. This article will analyze how Node. JS makes asynchronous calls through libuv thread pool through libuv source code. The Node.js version described in this article is v11.15.0 The libuv version is 1.24.0 . Take the ...

hapi framework, using Official Web In short, Hapi is a rich framework for building applications and services that enables developers to focus on writing reusable application logic rather than spending time building infrastructure. In my own words, it is a node service infrastructure like express, koa. This blog was read in the gold digging Br ...

The novel API version 1.0 is finished, and then it is deployed to the server, using nginx, pm2, nvm, git, OpenSSL. Server configuration: CentOS 7.4 64 bit 1 core 2 GB 1 Mbpsnode version: 8.9.0nvm version: 0.33.11npm version: 5.5.1nginx version: 1.12.2git version: 2.9.5 The first step is to add the pm2 configuration file Create a pm2.json file i ...

Configtx.yaml is a Hyperledger Fabric block chain network operation and maintenance tool configtxgen used to generate channel creation blocks or channel transactions configuration files. The content of configtx.yaml directly determines the content of the generated generation blocks. This article will give a detailed Chinese description of confi ...

Xiaobai Full Stack Development I brief introduction From a beginner's point of view (vue, Koa and Express) Starting from 0, build a single page front-end project that provides data through RESTful API and consists of vue. I hope I can help you, like me, who are all white stacks. (I have read many articles about how to build the whole stack, som ...

Use Electron to handle form crashes and hangs Application examples for this series of articles have been published GitHub: electron-api-demos-Zh_CN Clone or run it after downloading. Welcome to Star. The Browser Window module will issue events when the renderer process crashes or hangs. You can listen for these events and reload them to the us ...

gulp is a build tool that runs on a Node.js-based platform using the modular syntax of commonJs. We use packages that gulp needs A TASK task, corresponding to a package, corresponding to a processing logic, gulp.series corresponds to synchronous tasks, which are executed from left to right in turn. Long time gulp.parallel corresponds to async ...

Environmental installation Here is a brief introduction and a detailed look. rom Node.js environment Node.js official website Normally, with the Node.js environment installed, the npm package management tool is installed. Therefore, use npm directly to install weex-toolkit. npm is a JavaScript package management tool that allows deve ...

MongoDB, the representative of NoSQL, has been very popular recently. Although some functions are not perfect, it does not affect its fire. Node.js is a JS language written in JavaScript that can run on the server side. So, what kind of spark will the collision produce? Today, I'll give you a simple example of how to create a new database fi ...