ruby on rails course

Ruby on Rails Session 1: How to Build a Ruby on Rails on the Ubuntu., railsubuntuAbout Ruby on Rails Ruby on Rails is an application stack t

About Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of Web applications. ruby on Rails does take a little while to install on a virtual server, but luckil

The first two sections of this series have already covered how to configure the Ruby on Rails development environment, and now it's time to get to the point!Part1. Pre-development Preparation The main task of this time is to develop the first rails program. In particular, this time I chose a (PAAs development platform), which is the Cloud 9 platform describ

Keywords: Ruby on Rails, instantrails, windows, getting started, tutorial I always wanted to try Ruby on Rails, but I was not familiar with Apache and MySQL, and I was not confident in setting up the rails environment. So I never started. After learning about instantrails,

Introduction: Ruby on Rails is just one aspect of making Ruby very powerful, just as EJB is part of the Java Enterprise platform. Andrew Glover reveals what Java developers can do with Ruby. Before I begin this article, I need to clarify a few things. First, it's not an article about

I have always been very interested in Ruby on Rails. I want to see something that has been praised by many people, but I have been working on windows development, it is still a headache to build the development environment of Ruby on Rails, Which is why Ruby on

provide Rails developers with specific reference. The content described in this article can be combined with the following diagram:Figure 1. The overall structure of this article Use Nginx+passenger to replace Apache+mongrel to deploy Rails applications In fact, the Rails deployment can be described very simply, we need some machines to configure our environ

aims to provide specific reference for Rails developers. The content described in this article can be used to comprehensively represent:Figure 1. Overall structure of this Article Use Nginx + pasl to deploy Rails Applications instead of Apache + Mongrel In fact, the Rails deployment can be very simple. We need some machines to configure our environment. For per

1. Auxiliary methods2. StringEnter "IRB" into the ruby command-line development environment, and the controller starts by executing "rails console" on the command line.(1) String connection>>"foo"+"bar"="foobar" (2) Interpolation by special syntax #{}>>first_name="Amy" ="Amy">>" #{first_name} Sun"+"Amy Sun "(3) The difference between a single-quote string and a double-quote string: Single-quote strings the

between the model and the database, which means that Ruby on Rails programs usually have (if any) a small amount of SQL code. The second part is the view, which contains the Code required to create the output sent to the user; it is usually composed of HTML, JavaScript, and so on. The final part is the controller, which converts the input from the user to the correct model and then presents the response us

sequence usually has a small amount of SQL code, if any. The second part is the view, which contains the code needed to create the output sent to the user, which is usually composed of HTML, JavaScript, and so on. The last part is the controller, which transforms the input from the user into the correct model, and then renders the response with the appropriate view. Rails advocates are often happy to attribute their ease of use to the MVC paradigm-a

How to learn ruby from 0 on Rails (stroll) Ruby is a programming language, and Ruby on Rails is a web framework for Ruby, referred to as rails. There are a lot of people who are interes

1. What is internationalization (i18n )? I18n (International): According to Wikipedia, internationalization refers to the process of software design and decoupling from specific languages and regions. When the software is transplanted to different languages and regions, the software itself does not need to be changed or corrected in internal engineering. Of course, the official definition is always very tall. In fact, what we have to do today is not t

reduced to 2, and the code was optimized. The Rails cache is also easy to implement. The block cache in Rails 4 is pretty good. The Rails documentation is an excellent source of information about caching. However, caching does not become the ultimate solution to performance problems compared with capacity expansion. If your code doesn't work as expected, you'll

about REST, SOAP, Rails Active Resource, and how to improve interoperability between multiple applications. Ruby on Rails Ruby on Rails (also known as rails or RoR) is an open source Web application framework written in

time to calm down and try to use it. Of course, for Ruby and Ruby on Rails Applications, I have not been in touch for a long time. We can only gradually explore and move forward with a beginner's attitude of exploration, which is only known to myself. Therefore, there will inevitably be a lot of misunderstandings and

Ruby programming language is developed by the Japanese pine line, is a simple and fast object-oriented programming language, today mainly talk about the ruby framework--ruby on Rails (http://www.maiziedu.com/course/ruby/), Maybe s

Installing Ruby with Upgrade RubyGemstip: If you are prompted for permission issues during the installation process in the Ubuntu environment, you can use sudo make and sudo makes install. 1.Ruby Installation wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz \ TAR-XZVF

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

1. Debug comment Print output debugRuby is an interpreted language, a script, and on Linux, scripts cannot be executed in three ways:1. Run the script with the interpreterInterpreter script FileThat is:Ruby script File2. Run the script directlyIn the script file, use the#! Script InterpreterDefine the script interpreter path, then grant the script execute permission, then run directly./script FileCan.3. Run the script inside the interpreter[Email protected]:/home/ywt/ror_tests/ruby_tests# irb