ruby on rails tutorial book offers a wide variety of articles about ruby on rails tutorial book, easily find your ruby on rails tutorial book information here online.

Ruby on Rails Tutorial Fourth of the Ruby strings behind rails

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

Tutorial on using Rails Active resource in Ruby on Rails _ruby topics

;> >> book = Indianhistory.find (2) >> book.available # => 1 You have updated the availability of books and saved records. There is a slight difference between activeresource and ActiveRecord: There is no method save and update in Activeresource. Finally, the following statement removes the record from the database. >> Indianhistory.delete (2) In addition to the basic operations described above, Active Resource also a

tutorial on using Java code with RJB in Ruby on Rails _ruby topics

Before you start About this tutorial Ruby on Rails (rails) is a full-stack WEB application framework written in Ruby, and Ruby is a rich, free, extensible, portable, object-oriented scripting language.

Introduction to the first chapter of Ruby on Rails Tutorial

1. Goal: Mastering MVC and Rest, generators, migrations, routes, embedded RubyThis book deals with the Rails,ruby language, the test framework (minitest) that rails uses by default, the Unix command line, HTML,CSS, a small amount of javascript, and a bit of SQL.2. Demo Application:Hello_app (v. 1.3)Toy_app (2nd Chapter

Ruby on Rails development from scratch series of tutorials (with Ruby ebook download)

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

Ruby on Rails tutorial

Tags: railsThere are 11 chapters in total, a simple Weibo system.The development is driven by testing, so there are a lot of test code in the book. At the beginning, I felt very uncomfortable. After a while, I still don't like this development method. Finally, I chose to organize the knowledge points in the book in my own way. That is to say, I separate the development part from the test part. After thinkin

Tutorial on efficient unit tests on Ruby on Rails, rubyrails

Tutorial on efficient unit tests on Ruby on Rails, rubyrails In the system developed by the author, a large amount of data needs to be analyzed, which not only requires accurate data analysis, but also requires a certain speed. Before writing the test code, I used several major methods to achieve this requirement. As you can imagine, the code is complex, difficul

Ruby on Rails Tutorial Chapter II User Resources &mvc&rest

Description: User resources include user data models and Web pages related to this model.1. The user data model is as follows:2. Using rails built-in scaffolding to generate user resources, execute the following command:$ rails Generate scaffold User name:string email:string #创建模型$ rails Destroy Scaffold User #销毁模型$ bundle EXEC Rake db:migrate #用Rake来迁移数据库, in or

Ruby on Rails Tutorial first chapter builds the cloud development environment

1, Cloud development environment, CLOUD9 ( The development environment is pre-installed with most of the software required for rails development, including Ruby, RubyGems, and git, and requires you to install rails yourself.(1) Installing rails: $gem Install rai

Tutorial on Ruby on Rails to implement the most basic user registration and login functions, rubyrails

Tutorial on Ruby on Rails to implement the most basic user registration and login functions, rubyrails It is very convenient to implement the user registration and login functions in Rails. For example, you can use the Devise class to implement the complete function of the gem extension package. You can also use the ha

Ruby on Rails Session 1: How to Build a Ruby on Rails on the Ubuntu., railsubuntu

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

An introductory tutorial on image processing in Ruby on Rails _ruby topics

Images can be said to be a critical part of any application. From social networks to a simple bug tracker, images play an important role. Managing images, however, is not an easy task and requires a lot of time and energy to plan ahead. This article demonstrates how to achieve this goal in rail. How do you handle your images and create multiple versions in the background? How to improve the performance of the page by compressing the image without compromising the image quality? These are the on

Ruby on Rails Tutorial the first chapter of Heroku deployment

1, Purpose: Use Heroku to deploy the development environment to the production environment. Heroku is dedicated to deploying rails and other Web applications, and the process of deploying rails applications is straightforward-as long as the source code is incorporated into the GIT version control system.2. Build Heroku Deployment Environment(1) Heroku use PostgreSQL database, so to add PG to the production

Ruby on Rails Session 1: How to build a Ruby on Rails on the Ubuntu.

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

[Ruby on Rails series]3, initial rails: Developing the first Web program using Rails

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

Build a Ruby on Rails native development environment with Ubuntu 12.04

. Apt-get Dist-upgrade is used for the upgrade of the current release, and it automatically handles dependencies. Apt-get install [package] for installing packages Apt-get Update updates the index of the package. Apt-get upgrade for updating packages that are currently installed Bash CD [location] to switch directories, if no parameters are switched to the user home directory. The nano [file] edits the file. Reboot restart the mach

How to learn Ruby on Rails starting from 0

English), in need of Chinese books, you can see the basic Ruby Tutorial (4th edition). Learn Rails and see theRuby on Rails Tutorial Learn rails by Example (Chinese address) Ruby advan

Ruby on Rails-highlights in details

Ruby on Rails ...... It has nothing to do with. net ...... The homepage is for more people to access Ruby on Rails ...... Withdraw tomorrow ...... Http:// By the way, I use Mac, and the cute editor used in blog Park has become a text area in safari. However, the latest version of cute

[Ruby on Rails series] 4. Topics: Internationalization of Rails Applications [i18n]

the line to the following code: [3] app/views/memos/index.html. ERB file, Row 3 Change the line to the following code: [4] app/views/memos/index.html. ERB file: 27th rows Change the line to the following code: 2.6 modify the config/application. RB File Cancel the comments of row 20th and line 21st, change 'my to 'config', change de to: ZH, and add a line of code config. encoding = 'utf-8'. The Code is as follows: config.i18n.load_path += Dir[Rails.root.join(‘config‘, ‘locales‘, ‘*.{rb,yml}‘)

Use Ruby on Rails to quickly develop web applications.

most cases, it is "fits your brain" (which Ruby supporters like to talk about ). For example, if you design a framework from the ground up (at least if you think "Ruby"), these directory names and their organizations may be very close to your choice. Build a simple application There are some tutorials on the Ruby on Rails

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