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 interested in Rails, but don't know where to start and what to learn, because they have answered similar questions on multiple occasions, so t
The production and Running Environments recommended by Ruby on Rails are Linux/FreeBSD/Unix, that is, UNIX operating systems. They use Lighttpd + fcgi solutions. I will take the Linux operating system, Lighttpd + fcgi, MySQL database as an example, from
Source code Compilation and installation start. Before installation, ensure that the GCC compiler has been installed in the Linux operating system. Otherwise, use the Linux installation CD to install
In the Ruby language, the object is the basic unit, and all of the elements can be said to be objects. As previously understood for object-oriented programs, an object is a set of programs that contains a collection of specific properties and methods. An object is defined by a class and behaves as an object instance. That is, the object is an instantiation of the class [2].Basic elements of the Ruby languag
1. Writing should be standardized, rather than creating different styles like C.Java is obviously a language that is easy to unify the programming style, while Ruby is obviously a language that is difficult to unify the programming style. Someone in the javaeye forum once said: Reference
The Java language, the master and the Low-hand code are similar, while Ruby is different.
The syntax of the Java program
Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply content: Let's talk about your point of view: you must first understand what the goals of the
Introduction: This article describes how to use the Eclipse plug-in Ruby Development Tools (RDT), a plug-in that enables eclipse to become a first-class Ruby development environment. Ruby developers who want to leverage the rich infrastructure of the Eclipse community to support development will benefit from this article, as will the Java developers interested in
Ruby, as an emerging language, has developed rapidly over the past few years with the help of the rails killer application. This articleArticleThis is my summary of Ruby over the past month. Of course, the main tone is for reference.
Peter Cooper's five essentials for your ruby toolbox. To put it bluntly, let's start. Summary:
Rubygems
A good id
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 some friends don't like Ruby, but as a languag
Ruby handles strings like numbers. We enclose them in single quotes (' ... ') or double quotes ("...").
Ruby> "ABC"
"ABC"
Ruby> ' abc '
"ABC"
Single and double quotes have different effects in some cases. A string enclosed in double quotes allows characters to be drawn by a forward slash, and can be inline with #{} expressions.
Strings that are enclosed in s
Variable holds the location where the data for the program to be used is stored.
There are five types of variables supported by Ruby. A brief description and these variables have been experienced in the previous chapters. These five types of variables are described in this chapter.Global Variables for Ruby:
Global variables begin with $. The value of the uninitialized global variable is zero and a warning
Install and uninstall Ruby in Ubuntu
In ubuntu12.04, run the following command to install Ruby 1.8 by default.1 $ sudoapt-Get installruby
I. The following describes how to install ruby1.9.3 (in some versions of Linux, 1.8 must be installed first)
Install curl first. If you have installed curl, you will be prompted that curl is already in the latest version.1 $ sudo apt-Get installcurl
Next, install the
0. Reply content: First, let's talk about your point of view: you must first understand what the goals of these script languages are, and the answers to different goals are different.
Let's talk about my personal experience (perl ruby python) for your reference:
0.) at school, I learned about perl ruby and python.
Perl is a bunch of weeds, and the impression is like a village girl on a construction site (n
Brief introduction
Twitter is now the leader in social networking. Twitter only allows users to post no more than 140 characters, and who would have guessed that the previously insignificant small web site is now worth more than 1 billion of billions of dollars, has millions of users, has built a lot of apps on Twitter, and that new developers are ready to invest in the wave.
This article does not intend to introduce Twitter (in fact, it is not necessary). Instead, this article describes how t
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 are here to download the newer Rubyinstaller
Ruby provides a complete set of implementation methods in the I/O-related kernel modules. All I/O methods come from the IO class.
Class IO provides all the basic methods, such as read, write, gets, puts, ReadLine, getc, and printf.
This chapter will cover all the basic I/O features that are available for use in Ruby. For more features, refer to Ruby's IO class.puts statement:
In the previous section, you
Ruby is a scripting language for simple and fast object -Oriented programming (object-oriented programming).Brief introduction
Ruby is open source and is available on the web for free, but requires a license .
Ruby is a universal, interpreted programming language .
Ruby is a true object-oriented programming lan
Ruby Global Variables
Global variables begin with $. The value of an uninitialized global variable is nil, and a warning is generated when the-w option is used.
Assigning a value to a global variable changes the global state, so it is not recommended to use global variables.
The following example shows the use of global variables.
#!/usr/bin/ruby
$global _variable = ten
class Class1
def print_
To install the ROR Debugger in netbeans, click "Debug main project" to install the ruby quick debugger. As a result, the installation fails... (In fact, it is installed using the gem install ruby-debug-y command.) I searched the internet and said that the other two gems must be installed before installation.
The following is a reference to the late brother's article http://hlee.javaeye.com/blog/576237
Bytes
Build RubyMine + Ruby On Rails + MySQL development environment in Windows
I recently took over a mobile phone project. Some problems have been encountered during the environment setup process. We have recorded the problems in the following article and offered our solutions.
Development Environment: Windows 2003; JetBrains RubyMine6.3.3
1. download the latest version of ruby(rubyinstaller-2.0.0-p598.exe, the
Ruby + Apache + MySQL for Linux
Ruby is a very interesting open-source scripting language that supports Windows/Linux and other platforms. It can be used to develop games, network applications, and system management,CGI program, etc. It is concise, elegant, and highly efficient to execute, and now there are many mature frameworks to support it. However, it is currently not widely used in China. If you are i
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