deploy ruby on rails app

'Go ': Create table 'People '('Id' int (10) unsigned not null auto_increment,'Name' varchar (50) not null default '','Street1' varchar (70) not null default '','Street2' varchar (70) not null default '','City' varchar (70) not null default '','State' char (2) not null default '','Zip 'varchar (10) not null default '',Primary key ('id '),KEY 'name' ('name ')) TYPE = MyISAM AUTO_INCREMENT = 2; Now, click on the SQL tab one more time, and run this query: Insert into 'others' VALUES (1, 'Superman',

the current working environment. After that, you can switch back to the working gemset. Most ides also support RVM. You can automatically identify the Ruby version and GemSet managed by RVM to switch the Ruby parsing environment. Build a Ruby on Rails environment on CentOS 5.9 Configure

)FROM empsalary; depname | empno | salary | rank -----------+-------+--------+------ develop | 6 | 6000 | 1 develop | 7 | 4500 | 2 develop | 5 | 4200 | 3 personnel | 2 | 3900 | 1 personnel | 4 | 3500 | 2 sales | 1 | 5000 | 1 sales | 3 | 4800 | 2 4 times of acceleration is impressive, and sometimes you get more, to 20 times. From my own experience, let's take an example. I have a three-dimensional OLAP multi-dimensional dataset with 600 k data rows. My program is sliced and aggregated.

Basic Rails Applications Now let's start with a basic rails application. For a better presentation, I use Ruby 2.2.0 and Rails 4.1.1 Run at Terminal: $ RVM Use 2.2.0 $ rails New CD Docker-test To create a basic controller: $

"Pma_user: "Root"Pma_password: "Root"Volumes:Db:Driver:localGemfile Open the Services/rails/config/gemfile file and enter the contents: SOURCE ' https://rubygems.org 'Gem ' rails ', ' 5.0.0.1 'Dockerfile Open the Services/rails/dockerfile file and enter the contents: From ruby:2.3Maintainer Wanghao RUN apt-get up

window function to do the same work over 4 times times in 1.1 seconds. SELECT Depname, empno, salary, rank () over (PARTITION by depname order by salary DESC) from empsalary; Depname | Empno | Salary | Rank -----------+-------+--------+------ Develop | 6 | 6000 | 1 Develop | 7 | 4500 | 2 Develop | 5 | 4200 | 3 Personnel | 2 | 3900 | 1 Personnel | 4 | 3500 | 2 Sales | 1 | 5000 | 1 Sales | 3 | 4800 | 2 4 times times the acceleration has been impressive

This chapter launches the introduction of model: including check and delete operation. And then the above section, [Ruby on Rails] and I learned the HelloWorldCreating models using commands to create modelsCreate a table post, default comes with two field title:string, Content:text, use the singular post instead of the plural in the model by convention postsCD Blograils G model post title:string Content:tex

you encounter the error message "Access denied for user 'root' @ 'localhost' (Using password: NO)" when creating a database, you need to update your config/database. yml file to match the user name and password of the database. # Edit database. yml in the configuration folder nano config/database.yml Enter the password of the MySql root User. Exit (Ctrl + X) and save. Summary Rails is written in Ruby

HelloSimilar to the following output, here welcome specifies the control name. In the file welcome_controller.rb, a class welcomecontroller is generated, which is similar to the action in Java. One of the methods is hello. C: \ Ruby \ Project \ Sample > Ruby script / Generate controller welcome HelloExists app / Controllers / Exists

This article details how to configure Ruby on Rails development environment in Windows, and hopefully it will help ror beginners. First, download and install Ruby The best choice to install Ruby under Windows is Rubyinstaller (one-click installation package).Download Address: http://rubyforge.org/frs/?group_id=167.We

service, took one or two hours of time, really not easy:)Bundle InstallRunning:rails Server #启动服务Webrick Introduction: Ruby By default already contains rich software, where Webrick HTTP server is one of them. This package is used as the default document server for Rubygem. This is a very simple server written in pure Ruby. Interested friends can go to Google for more content. Open Browser inputhttp://127.0

Gem install Command Install sequentially : Gem Install Activesupport-4.1.8.gem Gem Install Activerecord-4.1.8.gem Gem Install Actionpack-4.1.8.gem Gem Install Actionmailer-4.1.8.gem gem install Rake-10.3.2.gem (will be prompted to overwrite Ruby Rake, the above Ruby version of the rake version is lower than this)Gem Install

If the reader has developed a rails based application, but there is a lot of confusion about the data transfer between MVC, congratulations, this article is about summarizing the methods and techniques of the rails data transfer. Ruby on Rails 3 (collectively, rails 3) is th

default document server for Rubygem. This is a very simple server written in pure Ruby. Interested friends can go to Google for more content.Open Browser inputhttp://127.0.0.1:3000You can see the initialization page.Down we let rails say "Hello"Rails is an MVC framework that rails receives requests from the browser, i

Deploy the Ruby server and ruby# Create a project directory/Opt/logs/TV-cibn-cms# Install rbenv and ruby 1.9.3 IN ruby# Install and compile related packagesYum install-y gcc openssl-devel libyaml-devel readline-devel zlib-develSu-ruby