Ruby

Learn Ruby Reference tutorial: http://www.w3cschool.cc/ruby/ruby-installation-windows.htmlRuby Learning under the WINDOWXOne. Install ruby, download the latest window stable Ruby, this is 1.9.3 versionClick Next installation until completed, for

Brief introductionStackprof is a sampling-based tuning tool, what are the benefits of sampling? The advantage is that you can use it online and grab part of the data based on the built-in algorithm, affecting only a fraction of the performance. It

The use of ' return ', ' Break ', and ' next ' are all related to the problem of jumping out of scope, and their difference is that different keywords jump out of the scope of the purpose, because there are blocks of code that cause some places to

Ruby's lambda is not much worse than Proc, it feels like a "variable method," or a macro that is a bit like a C + +, that can be defined in a Ruby method, or in a class, with a simple, generic method that can be called at any time.For exampleback = {

Ruby Resources Home to http://rubygems.org gem Resources Http://rubyforge.org/ Http://www.ruby-lang.org/en/rubyofficial website Http://www.ruby-doc.org/Ruby Doc and API Ftp://ftp.ruby-lang.org/pub/ruby/ruby version FTP

There is no constructor like C ++ or Ruby in Ruby, but we can still create multiple constructor similar to this: Class coloredrectangle def initialize (R, G, B, S1, S2) @ r, @ g, @ B, @ S1, @ S2 = R, G, B, S1, s2 end def coloredrectangle. white_

Ruby is an object-oriented language.What does this mean? Indeed, for "What Is oop", every 10ProgramI am afraid there are 12 kinds of opinions among the employees. I will leave this question to your discretion. In terms of features, Ruby provides a

This article is original. Reprinted Please note: Author: Utensil Blog: http://blog.csdn.net/utensil/ Email: utensilcandel@gmail.com In the past two days, the previous blog website based on XML and PHP has been transplanted to MySQL and ror to

1. Create a user 2. Assign PermissionsFirst, add a user group: Groupadd humouAdd a user, set the main directory and shell path Useradd-G humou-D/home/humou-S/bin/bash-M humouIf the shell path is set incorrectly, the user cannot log on.Or

Http://ihower.tw/rails3/index.html       I amIhower, This example describesRuby on RailsThis set of original website development frameworks depends on2011Published in the second half of the year. If you have any comments or survey Suggestions, do

Ruby and linux shell are examples of common programming. What if I want ruby if I have shell? This is not the case. It is very convenient to use ruby for some small functions. For example, it is troublesome to use shell for string inversion and 1

Tutorial on installing the Ruby interpreter on the operating system. Ruby installation-LinuxThe steps for installing Ruby on a Linux machine are listed below.Note: before installation, make sure that you have the root permission.Source code

Ruby implements three fast sorting algorithms: I just learned Ruby. It happened that the algorithm teacher encouraged me to write algorithms in unfamiliar languages. I will use Ruby ~~Ruby is really amazing, and many intuitive methods can be used ...

Ruby-based optimal binary search tree algorithm and ruby-based optimal binary search algorithm The pseudo code in the introduction to algorithms is rewritten, plus the constructor for the solution of the first question in the Introduction Class

A solution for modifying operation conflicts in Rails applications at the same time. A rails Solution Operating conflicts in Rails Applications are a common problem. Rails provides a simple and effective solution. For example, there is a shop module

Introduction to Google Map/Reduce framework Skynet in Ruby, rubyskynet Skynet is a very loud name, because it is the super computer network that rules humans in the movie Terminator, a classic movie starring Arnold Schwarzenegger. However, Skynet in

A summary of variable learning in Ruby and a summary of Ruby variable learning Variables in Ruby are in several forms, including local variables, instance variables, class variables, and global variables. For Beginners, they are often easy to mix up,

Two Methods for converting strings into classes in Ruby: ruby2 Recently, there is a need to use a string as a class. For example: There is a string "ChinaMag" that calls methods under the ChinaMag Class Based on this string. Solution: 1. rails can

Examples of common events such as bind, hover, and toggle in jquery, jquerytoggle 1. $ (document). ready () $ (Document). ready () is a typical method in jQuery to respond to the onload event built in JavaScript and execute the task. It has a

Here, you can download the latest Ruby version suitable for you. The current stable version is 1.8.6. Read the Ruby open source license before downloading it.Ruby source code If you want to make it more compatible with your platform or you need to