ruby on rails course

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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

[Ruby on Rails series] 2. Development Environment preparation: Ruby on Rails Development Environment Configuration

Past Review Last time I talked about the installation configuration of vmwarevm and the installation of scientific Linux 6. x system. This time, our main task is to complete the configuration of the Ruby on Rails development environment on the Linux operating system. Before configuring the environment, you must first explain scientific Linux 6.x. this Linux release is similar to the management mechanism of

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

Get out of rails and see Ruby: Understand Ruby before you catch the rails bandwagon

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

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 started. After learning about instantrails,

Ruby on rails development from scratch (windows) (1)-use InstantRails to quickly build a Ruby On Rails Development Environment

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

Several solutions to improve Ruby on Rails performance: rubyrails

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

Several solutions to improve Ruby on Rails performance _ruby topics

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

Ruby on Rails Tutorial fourth the other data types of ruby behind Rails

][:email]= 12***[email protected]**.comEach method of hash>> user={Success:"It worked!", Danger:"It failed." }= {:success=>"It worked!",:d anger=>"It failed."}user.each Do|key,value|puts"Key #{key.inspect} has value #{value.inspect}"End#Results#key:success has value "It worked!"#key:failed has value "It failed."Where the inspect method returns the string literal representation of the called object, for example:>> puts (1..5) to_a.inspect[1,2,3,4,5]>> puts:name,:name.inspectname:name " It worked!

Ruby on Rails Tutorial fourth the ruby behind Rails

Ruby, like other object-oriented languages, uses classes to organize methods, and then instantiate classes to create objects.1. Construction methodUsing double quotation marks is the literal construction method of a string, or you can use the named constructor method, which is called the new method on the class name>> s="Foobar">> S.class=String>> ("Foobar")>> s=="Foobar"=true>> ([a])= = []>> {}>>H[:foo]=Nil>> h=ha

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

Several programming skills for accelerating Ruby on Rails, rubyrails

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

Several programming tips to speed Ruby on Rails _ruby topics

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

A ruby senior Ruby on Rails interview experience

Today resigned to the final formalities to do, the heart five mixed, parting is always not give up, but still need to go forward resolutely!A brief introduction of yourself, graduated two years, has been engaged in the development of Rails, involving a lot of JavaScript , the main use is jquery , CSS relatively little invol

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

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

How to learn Ruby on Rails starting from 0

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

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

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

Exploring some approaches to optimizing Ruby on Rails performance _ruby topics

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

Ruby rails Notes [Rails for Dot NET developers excerpt]

hash is ignored. There is no multiline comment character in ruby. • Ruby classes may de javasne instance methods and class methods. Class methods are called static methods in. net. •Methods can be declared public, protected, or private, and these visibility scopes have the same meaning as they do in. net. There is no ruby equivalent for "internal" or "Assembl

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