ruby facets

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

Introduction: Assuming that you are a C + + developer, you need to quickly perform some prototyping with Ruby. When you pick up a ruby reference book (such as pickaxe) or browse the Ruby Web site, you'll see some familiar constructs such as class declarations, thread support, and exception handling. Just when you think you know how

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

Many times we will find that the real production environment is not a lot of external network, only intranet environment, this time we need to install Ruby, we can not provide the Yum command to install online, this time we need to download the installation package for offline installation. This article is mainly about if you install ruby offlineBefore installing, let's briefly introduce Rubyfirst, Introduc

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, 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,

1. The following two reasons are causing your Rails application to slow down: Ruby and rails should not be used as the preferred place for Ruby and rails. (with Ruby and Rails doing a job that's not good for doing) Excessive memory consumption leads to a lot of time for garbage collection. Rails is a delightful framework, and

Simple comparison of python and ruby syntax, pythonruby syntaxEnter the interactive Interpreter Python Irb/pry Set encoding # coding = UTF-8 # Coding: UTF-8 Package management easy_install/pip gem Pip install Markdown Gem install Markdown Annotate python single line comment # start Python multi-line comments use three single quotes (''') or three single quotes ("""). ''' Multi-line comment 1 Multi-line comment 2 '''

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