Vicw.com

一、技术栈基于 es6、vue、vuex、vue-router 、vue-cli 、axios 和 element-ui，(请求数据使用Mock.js进行模拟)Vue 生态圈Vue Router 是 vue 官方的路由。它能快速的帮助你构建一个单页面或者多页面...

ErvinCheung

Postgres 删除 session 连接

SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname='数据库名' AND pid<>pg_backend_pid();

ErvinCheung

Securing Your Go REST APIs With JWTs

Note - The full source code for this tutorial can be found here: TutorialEdge/go-jwt-tutorialJWTs, or JSON Web Tokens as they are more formally known, are a compact, URL-safe means of representing claims to be transferred between two part...

ErvinCheung

Writing a Frontend Web Framework with WebAssembly And Go

JavaScript Frontend frameworks have undoubtedly helped to push the boundaries of what was previously possible in the context of a browser. Ever more complex applications have come out built on top of the likes of React, Angular and VueJS to...

ErvinCheung

Building a Solid Continuous Integration Pipeline with TravisCI for Your Go Projects

So, I recently partook in Hacktoberfest which is an event that helps to support thousands of different Open Source projects. Usually, I tend to get caught up in other projects or can't find the time or make up a hundred other excuses for ...

ErvinCheung

Go Encryption and Decryption using AES - Tutorial

ObjectivesBy the end of this tutorial, you will be able to...Encrypt text using the AES - Advanced Encryption Standard in GoWe'll then look at writing this encrypted message to a fileFinally we'll look at how we can decrypt this message usi...

ErvinCheung

Go Face Recognition Tutorial - Part 1

The whole area of Face Recognition is something I love reading about. Implementing a facial recognition system yourself makes you sound like you are Tony Stark and you can use them for a variety of different projects such as an automatic lo...

ErvinCheung

Go Oauth2 Tutorial

Welcome fellow coders! In this tutorial, we are going to be taking a look at how you can implement your own OAuth2 Server and client using the go-oauth2/oauth2 package.This is without a doubt one of the most requested topics from commento...

ErvinCheung

Go WebAssembly Tutorial - Building a Calculator Tutorial

Update - The code in this tutorial has been updated to work with the breaking changes in Go v1.12Welcome All! With Go v1.11 having just been released with an experimental port to WebAssembly included, I thought it would be awesome to see h...

ErvinCheung

Go Protocol Buffer Tutorial

Welcome fellow coders! In this tutorial, we are going to be looking at how you can utilize the Protocol Buffers data format within your Go-based applications. We'll be covering what the data format is, and why it is an improvement over more...

ErvinCheung

Working with Websockets and Socket.IO in Go - Tutorial

Note - This tutorial was written using Go version 1.9 and googollee/go-socket.ioWebsockets are something I find interesting in the sense that they provide us with an alternative option to communication between applications as opposed to t...

ErvinCheung

Golang Tutorial

ADVANCEDWorking with Websockets and Socket.IO in Go - TutorialGo Protocol Buffer TutorialGo WebAssembly Tutorial - Building a Calculator TutorialGo Oauth2 TutorialGo Face Recognition Tutorial - Part 1Go Encryption and Decryption using AES -...

ErvinCheung

Getting Started With Go

Go is an absolutely incredible language to build a wide variety of different applications in. From command-line interfaces to distributed microsystems and even cloud platforms, its' simplicity and concurrency baked in makes it a powerful ch...

ErvinCheung

Rails的事务和锁

今天订单出了一个库存超卖的问题，查找了很久，才定位到原因，之前用rails也很少用到事务和锁，这里介绍一下它们。为什么要使用事务事务是指并发控制的单位，是用户定义的一...

MIHU

Ruby on Rails as json 将ActiveRecord结果转换为哈希数组

user = User.find(1) user.as_json # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, # "created_at" => "2006/08/01", "awesome" => true} ActiveRecord::Base.include_root_in_json = true user.as_json # => { "user" => { "id" => 1,...

ErvinCheung

Best way to create custom config options for my Rails app

For general application configuration that doesn't need to be stored in a database table, I like to create a config.yml file within the config directory. [rails get yml configurations] For your example, it might look like this:defaults:...

cnelson

ubuntu 使用Guake终端（一键显示/隐藏终端，执行命令）

开发者最好的朋友即时执行任何命令简洁而优雅Guake拥有您需要的功能直接访问任何控制台在您的上下文切换Guake是Gnome的一个自上而下的终端，您可以通过一键击键即时...

ErvinCheung

git cz 代替 git commit

https://github.com/commitizen/cz-cli安装commitizensudo npm install -g commitizen全局安装首选适配器cz-conventional-changelogsudo npm install -g cz-conventional-changelog.czrc在home目录中创建一个文件，并path引用首选...

ErvinCheung

Ubuntu 安装Consolas字体

Consolas字体下载链接: https://pan.baidu.com/s/1fRIeQ8Pnbxa9TEgvuyiVqA 提取码: det6安装将上面下载的字体包解压，并按如下操作：sudo mkdir -p /usr/share/fonts/consolas sudo cp YaHei.Consolas.1.12.ttf /usr/share/fon...

ErvinCheung

Postgres 复制数据库

使用 create database 命令复制数据库到新的数据库。CREATE DATABASE targetdb WITH TEMPLATE sourcedb; 举例：CREATE DATABASE database1 WITH TEMPLATE database2;

ErvinCheung

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Deployer

Ruby 动态定义实例变量（instance_variable_set instance_variable_get）

ruby on rails(Ruby 元编程) 动态定义实例变量使用instance_variable_set方法# obj.instance_variable_set(symbol, obj) -> obj obj.instance_variable_set(string, obj) -> obj class Fred def initialize(p1, p2) @a, @b...

ErvinCheung