button.You might want to fix yourself some lunch, as this large file would take some time to download. Once it does, though, run the install process, and, when finished, close Xcode. You shouldn ' t need-restart your computer, but, if it keeps your in the good graces of the church, go ahead and does so.Step 5-download Ruby 1.9.2Next, restart Terminal, and type:
1
rvm list known
You'll see a long list of versions ...
1. Why Ruby?
Why do many Java developers focus on Ruby? Ruby is a general-purpose scripting language created in Japan 10 years ago. It is a pure object-oriented language. Unlike Java, everything in ruby is an object. Ruby syntax mainly comes from smalltalk, Python and Ada.
Project Address: Ruby-prof In the previous Profiling tool in Ruby, we listed several of the most commonly used profilers, but just a brief introduction, this time detailing how ruby-prof is used. Ruby-prof is a powerful, support CPU, memory use, object allocation and so on performance analysis, and provides a lot of fr
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, finally, we set up the Ruby on Rails Development Environment on Windows and started learni
Demonstrate Ruby's six characteristics that are easy to be misunderstood with actual code. The Code demonstrates ruby misunderstanding.
Introduction: if you are a C ++ developer, you need to use Ruby to quickly execute some prototype designs. When you pick up a Ruby reference book (such as Pickaxe) or browse a Ruby web
[Ruby on Rails Learning 1] ubuntu14.04 configure rvm and ruby, ubuntu14.04rvm
To install ruby, you must first install rvm.
Rvm is Ruby Version Manager, a command line tool developed by Wayne E. Seguin. Rvm allows you to easily install and manage ruby productivity environmen
The storage location of the first node in the list is called the head pointer, so the entire list must be accessed from the beginning. Each subsequent node, in fact, is the position that the previous successor pointer points to.
Here is a place to pay attention to, is the concept of the right pointer, this is very important. The storage location of the first node in the list is called the head pointer, and
Add fire to Ruby: Ruby will become popular again
Ruby, which is widely regarded as a web language, has always been very popular, but it will become more popular now. AltRubies pushed Ruby to a level we never imagined. Is Ruby the preferred choice for browsers, mobile apps,
Tutorial on system management by writing scripts in Ruby, and ruby System Management
Introduction
Ruby is an extremely rich, free, simple, scalable, portable, and object-oriented scripting language. Recently, it is widely used in the Web field. To a certain extent, this is attributed to the very powerful Web application development framework Rails, Which is exact
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 that provides developers with a framework to quickly create a variety of web applications. ruby on Rails does take a little while to ins
Detailed tutorial on connecting to the database in Ruby program, ruby Database
This section describes how to use Ruby to access databases. The Ruby DBI module provides database-independent interfaces similar to the Perl DBI module for Ruby scripts.
DBI is the Database indepe
Further dive into the class and object concepts in Ruby and the concept of ruby objects
Ruby is a pure object-oriented language, and all projects seem to need Ruby as an object. Every value in Ruby is an object, even the most primitive: String, number or even true or false.
Share with us today the basic Ruby Tutorial (http://www.maiziedu.com/course/ruby-px/), which focuses on Ruby Source and Ruby features, here's a look at Ruby 's introduction:Ruby is a purely object-oriented programming language. It was created in 1993 year by as of Japan (まつ
Use Ruby to process text tutorials, and use ruby to process text tutorials
Similar to Perl and Python, Ruby has excellent functions and is a powerful text processing language. This article briefly introduces Ruby's text data processing function and how to use Ruby to effectively process text data in different formats,
Example of an interactive program developed by ruby: ruby Development
Implement the interaction function in a terminal similar to pry, ronin, and msf. ripl gem is mainly used here:
1. Call defined methods, such as help2. Be able to execute system commands3. ruby parsing similar to irb/pry
Installation:
gem install riplgem install ripl-shell_commands
Example
Ripl,
Detailed explanation of the iterator IN Ruby and the Ruby Generator
D guago recently wanted to build a website. In addition, he had long had the idea of learning a dynamic language. Among the programming languages that meet two conditions, Ruby and Python are the most appropriate. Now Ruby on Rails is booming! Therefor
Understand Ruby scopes and Ruby scopes
What is scope?
When talking about the scope, you should immediately thinkVariableAndVisibilityThese two words,VariableAndVisibilityIt is the main content of the scope. Yes, the scope is about where the code variables are visible. After you fully understand the scope, I will give you a piece of code, you can easily know what variables are visible at this time, and most
How to learn Ruby? What do you need to know before you learn Ruby? This is a lot of people want to learn the voice of Ruby friends, I do not give a specific answer, the following to tell you about a predecessor learning Ruby (http://www.maiziedu.com/course/ruby/) learning pr
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