Ruby

Deploying Network application Services is a hassle, installing programs, upgrading database schemas, switching versions, and restarting services. The more steps, the more human involvement, the more prone to problems. Capistrano is Ruby on Rails to

This article mainly introduced Ruby commonly used file operation method, this article explained the new file, reads the file, deletes, renames the file, the directory operation and so on common file operation method, needs the friend may refer to

This article introduces all sorts of algorithms that Ruby realizes, this article gives the realization method of bubble sort, insertion sort, Selection sort, Shell sort and so on, the friend who needs can refer to the following Complexity of Time:

?? Most people agree that C + + is a very complex language, but how complex is it? As a result of curiosity, I compared the C + +, Coffeescript, Ruby, the language of the necessary functions as a criterion for the complexity of evaluation. Although

1. IntroductionRuby is a Japanese Yukihiro Matsumoto written, easy to learn object-oriented scripting language, like Perl, rich in word processing, system management and other rich features, but Ruby is simple, easy to understand and expand. Very

Every programmer should learn to use Python or rubyIf you are a student, you should be c,c++ and Java. There will be some VB, or c#/.net. How much you may have developed some Web pages, you know some html,css and JavaScript knowledge. On the whole,

Comment Line comments are #多行注释比较奇怪是 with = Begin and =end#!/usr/bin/ruby-wputs "Hello, ruby!" =begin This is a multiline comment. Can be scaled to any number of rows. However, =begin and =end can only appear in the first and last lines.

The three components of devise, cancan, and rolify combine to create a complete and powerful user rights model. Devise introduction, responsible for user registration, login, exit, retrieve password and other operations. Detail reference

Original: Http://stackoverflow.com/questions/4113299/ruby-on-rails-server-optionsApache vs NginxThey are all Web servers that can servo static files. Apache is more popular, has more features, and nginx is relatively less functional, small, and fast.

Currently, I am playing the 2048 game. The game logic is simple and is very suitable for new players like me to implement logic. So I chose the best Ruby language to implement the main logic of this game. It's quite simple. It takes about four hours

Build Ruby on Rails in Ubuntu Ruby on Rails is an open-source Web framework written in ruby., Similar to J2EE and PHP. Ruby on Rails is a very beautiful web development framework and incorporates the essence of agile development:Conventions

Mongrel is a ruby HTTP library used to deliver Ruby web applications. In fact, do not use Apache mongrel alone can run the ROR program, the online tutorial using Apache is used to do web proxy, so that the website will not have a http://www.unbe.cn:

Natural Language Processing 3.7-use a regular expression for text segmentation, natural language processing 3.7 1. Simple word segmentation method: Text Segmentation by space characters is the easiest method for text segmentation. Think about the

Analysis of Ruby relay and message-related knowledge, analysis of ruby Inheritance allows you to create a class as the refinement and specialization of another class ). For example, in our automatic karaoke system, the concept of "Song" is

Comparison of class variables and instance variables in Ruby, ruby class variable instances 1. The class variable name starts with @. A Class variable is shared by all instance objects of the class. The instance variable name starts with @, and each

In JQuery, what does $ (document) mean? jquerydocument First of all, I will explain that jQuery has a handy small function used to quickly load javascript as DOM, that is, ready... It is executed before page loading is complete. Why not use window.

Python Data Type & character encoding, python Data Type I. Number Integer int x=10 #x=int(10)print(id(x),type(x),x) Float salary=3.1 #salary=float(3.1)print(id(salary),type(salary),salary) Ii. String name='hantao' # Value by index (forward and

Explain the code block object Proc in Ruby, and explain the ruby object proc. Proc object Proc is a block conversion object. There are four methods to create a Proc: Sample Code # Method 1 inc = Proc. new {| x + 1} inc. call (2) #=> 3 # method 2 inc

Why is Ruby a shining pearl in developers' resumes? Over the past five years, the overall demand for Ruby on Rails skills has quadrupled. According to a survey by PayScale, an online compensation, benefits, and allowances company, Ruby has become

Ruby metaprogramming examples I like ruby metaprogramming very much. puppet And chef use many ruby language features to define a new deployment language.I would like to share some of the scenarios used in actual projects with limited capabilities.