Ruby

This article mainly introduced the Ruby meta Programming Dream Lover Method_missing Method Detailed explanation, this article explained how I should use Method_missing, the method proxy, Define_method, when uses method_missing, the meta method and

Rails is for Web projects and you have to think about the large amount of traffic, so let's take a look at how rails performs performance testing. 1. To perform performance testing, we first have to imitate a large number of data, we now know that

Rake is a program written in Ruby and we use rake to read the rakefile. And Rakefile contains defined tasks, each with a name, and some of the tasks it relies on, and a set of actions to perform. Now let's take a look at the rake in Rails. When you

Many programs use a database that contains more than one table, and often there are relationships between tables, orders often contain multiple entries, and an item is associated with a commodity, a commodity may belong to multiple commodity

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

Scangogs.rb#!/usr/bin/env RubyRequire'Open-uri'require'Thread'require'中文版'#configsConfig_ipdomain ='30.93.41.'Config_range= (2..254) Config_uritemplate='Http://%s:3000/user/login'#TTYTTY_FG = {black:30, red:31, green:32, yellow:33, blue:34,

This article focuses on the creation of strings in Ruby and how to use them, hoping to help friends who are learning Ruby (http://www.maiziedu.com/course/ruby-px/) strings.String creation: A string is also an object that, like other generic objects,

Ruby class class definition#!/usr/bin/rubyclass Sample def hello puts "Hello ruby!" Endend# uses the above class to create Object = Sample. Newobject.helloNote: A function call without arguments can be omitted ()Initialization method

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 = {

Reference data:ForRuby on RailsIf you are not clear about it, you can refer to the following link information.Ruby on RailsInformation. Ruby: A pure Oo Script Language ..Ruby on Rails: Quick Building Web Of MVC Architecture Framework

Let's take a look at a question. This is a question on codewars. I have seen it very early, but I won't write it. When I saw this question again, I had just read the Yuan programming book and thought it was time to solve it. Not much nonsense. Let's

Zhou haihan 2010.7.12   Ubuntu 10.04 has the following problems when installing Ruby and rails:   'Require ': no such file to load -- mkmf (loaderror)   Installation Process:   Install ruby1.9.1 Zhouhh @ zhh64 :~ $ Sudo apt-Get install

Original DBI module installation Tutorial: 1.Install First, I use mysql for testing. You need to install the mysql database on your machine.Then execute:Gem install mysql Download ruby-DBI from rubyforge, decompress it, and run the following command

Instructions on how to use the XML data processing database REXML in Ruby, rubyrexml Use REXML as a treeThe purpose of REXML is to be enough. To the maximum extent, it can complete tasks well. In fact, REXML supports two different styles of XML

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

Ruby-based watir-webdriver Automated Testing Solution and Implementation (4), watirwebdriverSubsequent Ruby-based watir-webdriver Automated Testing Solution and implementation (3)Http://www.cnblogs.com/javame/p/4259468.htmlto continue... first,

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

Example of how to optimize Ruby code to speed up the program running, ruby speed This article mainly introduces how to increase ruby gem contracts. ruby speed by 10 times. Contracts. ruby is used in my project to add code contracts to Ruby. It looks