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. Rails is very popular among WEB application developers. With it, you can quickly and efficiently develop Web applications and deploy them to any web con
Brief IntroductionThis article describes how to use the Ruby development tool (RDT) plug-in in Eclipse for Ruby development. This article will benefit the Ruby developers who want to learn how to use the Eclipse infrastructure for Ruby Development, and the Java developers interested in
Parse Ruby variables in detail
This article describes how to parse the variables in Ruby in detail. It is one of the most basic knowledge in Ruby learning. For more information, see
The location where the variable holds the data of the program to be used.
Ruby supports five types of variables. In the previous section,
Document directory
Add a MySQL database
Add a java db (Derby) Database
Download Ruby support
If you have not installed the netbeans 6.0 IDE, open the netbeans ide 6.0 download page and download the IDE versions that contain Ruby support. If you already have netbeans ide 6.0, but there is no ruby support in netbeans ide 6.0, follow these steps to add
Ruby is an interpretive, object-oriented, dynamic type of language. The strategy adopted by Ruby is to find a balance between flexibility and run-time security. With the advent of the rails framework, Ruby also blockbuster around 2006 and also guides people back to the fun of programming. Although Ruby is not as effici
Use C ++ to compile Ruby program extension tutorials.
One of Ruby's coolest features is to extend it using the application programming interface (API) defined in C/C ++. Ruby provides the C header file ruby. h, which is accompanied by many features that can be used to create Ruby classes, modules, and more. In addition
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
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
Ruby is filled with a series of hidden variables, and we can get some interesting information from these predefined global variables.
Global process variables
$$ represents the currently running Ruby process.
Copy Code code as follows:
>> $$
=> 17170
We can kill ourselves from the current process.
Copy Code code as follows:
>> ' kill-9 #{$$} '
[1] 17170 killed IRB
$
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
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
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
Ruby pioneers talk about the shortcomings of this programming language
Ruby creators song benzihong and Rails creator David Heinemeier Hansson make frank comments on the language.
As a dynamic language originally released in 1995, Ruby was widely praised for its convenience advantage and often appeared on the popular language selection list. However,
Regular Expression
Most of Ruby's built-in types and otherProgramming LanguageVery similar. Mainly include strings, integers, floats, and arrays. However, only the script language,
Such as Ruby, Perl, and awk provide support for built-in expression types. It is a powerful text processing tool, though the regular expression is relatively hidden.
They are much different from simply adding interface class libraries.
Regular Expressions are a simp
Ruby is a purely object-oriented language, and all projects seem to be in Ruby as an object. Each value in Ruby is an object, even the most primitive thing: a string, a number, or even true and false. Even if a class itself is an object, it is an instance of class. This chapter will cover the object-oriented aspects of Ruby
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