有机会再试一试Rails了,仅仅是原来接触的是2,如今已然变成了4,似乎如今的安装比原来会快些。。...Rails 4 安装 针对于安装了RVM gem install rails 没有的话应该主 sudo gem install rails 安装RVM能够用 \curl -L https://...get.rvm.io | bash -s stable 查看rails版本号 rails -v Rails 4.0.3 似乎这就是当前的最新版本号 Ruby版本号 We recommend...假设是mac os brew install sqlite3 其它能够看情况安装,如openSUSE sudo zypper install sqlite3 Rails 4 Hello,World...welcome index 就会创建以下这些文件(Ruby On Rails 4 hello world,Ruby On Rails上手) create app/controllers/welcome_controller.rb
-1.0.3.gem (100%) Successfully installed rails-html-sanitizer-1.0.3 Fetching: rails-deprecated_sanitizer...-1.0.3.gem (100%) Successfully installed rails-deprecated_sanitizer-1.0.3 Fetching: rails-dom-testing...-1.0.3 Installing ri documentation for rails-deprecated_sanitizer-1.0.3 Parsing documentation for rails-dom-testing..., rails-deprecated_sanitizer, rails-dom-testing, rack-test, erubis, builder, actionview, actionpack,...0 [root@h202 ruby]# rails --version Rails 4.2.6 [root@h202 ruby]#
/usr/src/app bundle install EXPOSE 3000 rails server ---- 构建 Rails 容器镜像 注意目录在 app 项目的根一层 [root@h104 blog2.../rails f502f0e93adb: Pull complete 41fb86dd2354: Pull complete 7db4e84aa159: Pull complete 4e4386f0802f...:onbuild # Executing 4 build triggers......3.0.4 Installing coffee-rails 4.1.1 Installing jquery-rails 4.1.1 Installing rails 4.2.6 Installing.../usr/src/app ---> b5b7ed8d740e Removing intermediate container dee87f8e4f1f Removing intermediate container
root@h202 blog]# vim config/routes.rb [root@h202 blog]# grep -v ' #' config/routes.rb | grep -v "^$" Rails.application.routes.draw...的对应关系 我们尝试访问其中的一个链接,/articles/new 得到如下反馈 报错的原因为没有 ArticlesController ---- 创建控制器 [root@h202 blog]# bin/rails
生成控制器 [root@h202 blog]# rails generate controller Comments Running via Spring preloader in process 3855
C - Rails C - Rails #include #include #include using namespace std; int a[1010
用法: rails new APP_PATH [选项] //APP_PATH项目名称 选项: 选项 说明 [--skip-namespace], [--no-skip-namespace]...checkout [--edge], [--no-edge] 使用指向Rails的Gemfile设置应用程序 [--rc=RC] 包含rails的额外配置选项的文件路径 [--no-rc],...: 'rails new'命令创建一个带有默认值的新Rails应用程序 你指定的路径上的目录结构和配置。...您可以指定每次使用的额外命令行参数 'rails new'在主目录的.railsrc配置文件中运行。 请注意,.railsrc文件中指定的参数不会影响 默认值此帮助消息中显示的值。...例: rails new ~/Code/Ruby/weblog 这会在〜/ Code / Ruby / weblog中安装并生成Rails框架 本文转载于:https://www.oxida.cn
Rails Resources Here I list some rails resources I found very helpful....Quick Start Ruby on Rails Guides Rails Bridge Tutorials Point Book The Rails 4 Way, Best rails book....Ruby on Rails Tutorial API Ruby on Rails API Screencast Rails Casts, excellent rails screencast by Ryan...Guide Land Rails Dream Job Rspec Documentation How I learned to test my Rails applications Railscasts...RSpec-Rails saasbook/bdd-tdd-cycle jQuery w2schools codeschool try jQuery
[Cover] 学 Ruby 和 Rails 有一段时间了,后面准备也准备把站点换了。不过开始开发之前,我先把 Rails 部署的坑先踩了。...创建数据库: $ RAILS_ENV=production rails db:create $ rails db:create 配置好数据库后就是拉起 Rails 了,但是此处有坑。...$ rails s 在 Rails 5 中第一条拉起命令会出错,错误提示如: initialize': Cannot assign requested address - bind(2) for "IP...", __FILE__) shared_dir = "#{app_dir}/shared" # Default to production rails_env = ENV['RAILS_ENV'] |...proxy_redirect off; } error_page 500 502 503 504 /500.html; client_max_body_size 4G
这样4个URL地址就会映射到7个不同的控制器动作上。...articles do resources :comments resources :images, only: :index end 从对象创建路径和RUL地址 除了使用路由辅助方法,Rails...的实例,而不只是数字ID: 还可以使用 url_for 方法时传入一组对象,Rails...会自动确定对应的路由: Rails能够识别各个实例,自动使用 magazine_ad_path...选项设定的散列为路由定义默认值,未通过动态片段定义的参数也可以指定默认值 get 'photos/:id', to: 'photos#show', defaults: {format: 'jpg'} Rails
If you use rails, then you should know how to use RSpec to test your rails app....Set Up Gem We will use the most popular gems combo here. group :development, :test do gem 'rspec-rails...' gem 'factory_girl_rails' #give us some test data to play with end group :test do gem 'capybara...Model is the most inportant part of rails app, make sure they are test with high coverge....applications Railscasts RSpec-Rails saasbook/bdd-tdd-cycle
In your rails app, you can use easily do this....Here is a quick guide on how to use markdown and pygments in your rails app.
Rails Time Limit: 1sec Memory Limit:32MB Description There is a famous railway station in PopPush City...Sample Input Copy 5 1 2 3 4 5 5 4 1 2 3 0 6 6 5 4 3 2 1 0 0 Sample Output Copy Yes No Yes 思路 简单点说就是车厢从右边过来
sprockets 3.6.0 Installing sdoc 0.4.1 Using activesupport 4.2.6 Using loofah 2.0.3 Using mail 2.6.4 Using rails-deprecated_sanitizer...1.0.3 Using globalid 0.3.6 Using activemodel 4.2.6 Installing jbuilder 2.4.1 Using rails-html-sanitizer...1.0.3 Using rails-dom-testing 1.0.7 Using activejob 4.2.6 Using activerecord 4.2.6 Using actionview...4.2.6 Using actionpack 4.2.6 Using actionmailer 4.2.6 Using railties 4.2.6 Using sprockets-rails 3.0.4...Installing coffee-rails 4.1.1 Installing jquery-rails 4.1.1 Using rails 4.2.6 Installing sass-rails
00:00 Resolving Dependencies --> Running transaction check ---> Package nodejs.x86_64 0:0.10.42-4....el6 will be installed --> Processing Dependency: libuv.so.0.10()(64bit) for package: nodejs-0.10.42-4....==================== Installing: nodejs x86_64 0.10.42-4....[root@h202 blog]# 再次尝试 启动服务 [root@h202 blog]# rails server => Booting WEBrick => Rails 4.2.6 application...starting in development on http://localhost:3000 => Run `rails server -h` for more startup options =
. ---- Rails 的目录结构 [root@h202 blog]# tree . ├── app │ ├── assets │ │ ├── images │ │ ├── javascripts...└── views │ └── layouts │ └── application.html.erb ├── bin │ ├── bundle │ ├── rails
前言 Rails 是使用 Ruby 语言编写的网页程序开发框架 通过为开发者提供常用组件,来简化网页程序的开发 Tip: 类似于 python 的 Django ,perl 的 Dancer Rails...our code is more maintainable, more extensible, and less buggy 约定优于配置 Convention Over Configuration: Rails...不要把有限的生命浪费在人家已经反复踩过的坑里 配置如果不在代码内部消化,必然要在外面申明,而配置复杂到一定程度后,本身就已经成为了一门具备独立语法的体系,逻辑不在代码里就在配置里,逻辑是守恒的 这里分享一下 Rails...的相关基础,详细可以参考 官方文档 和 Ruby China 的 Rails 入门 Tip: 当前的最新版本为 Rails 5.0.0.beta3 发布于 February 27, 2016 4:00
RVM (Ruby Version Manager) 是一个 CLI 工具,可以用来对 ruby 的多个版本进行安装,隔离和管理
1.9.1[-p431] [ruby-]1.9.2[-p330] [ruby-]1.9.3[-p551] [ruby-]2.0.0[-p648] [ruby-]2.1[.8] [ruby-]2.2[.4]