Ruby

What is Ruby? Recently, we have seen Ruby everywhere. ProgramStaff> there are also several serialization issues. I really want to have a better understanding of it. However, Baidu knows that only the following information can be provided: Ruby is

Recently, I was working on a project using the rails framework and the ruby language. I personally don't feel very useful, and there are many problems with the framework and language.   Today, I encountered a very strange problem.CodeWIN32API is

Finally, I started to translate some Japanese sentences that I could not understand. I would like to ask the Japanese mm next to me. MM read it for the first time, did not understand it, and did not understand it for the second time. Japanese ....

In the previous blog, such code 1 class songlist was used. 2 def [] (key) 3 return @ songs [Key] If key. kind_of? (Integer) 4 return @ songs. Find {| Asong. Name = key} 5 end 6end In the fourth row, a method such as find can traverse the songs

Some time ago, I was working on an ERP project, and the performance of my notebook was poor (MB memory), so I could not do any development. In my spare time, I think of Ruby, a scripting language of interest. I had long wanted to explore Ruby, but

/* * $ ID: Ruby. c 571 23: 32: 14z elliotth $ * copyright (c) 2000-2001, thaddeus covert * copyright (c) 2002 Matthias Veit * copyright (c) 2004 Elliott Hughes * this source code is released for free distribution under the terms of the *

No function, with a half-day time to get the environment, with a half-day time familiar syntax, the function can be self-checked manual function query page in the http://www.rubycentral.com/ref/index.html function library official station in

1. Install JDK Jdk-6u7-windows-i586-p.exe 2. Install instantrails 2.1 decompress the package in any directory. InstantRails-2.0-win.zip (Instantrails has a lot of built-in software and has been configured, for example, Ruby 1.8.6 rails 2.0.2 MySQL

1. system method. System is followed by the command string of the System Shell to be executed as the parameter. This method allows the system program to run in a sub-shell. This is a conventional method for booting external programs in the system

Ruby keywords yield The ruby keyword yield is a commonly used keyword in actual programming. Programmers who have just learned the ruby language must first master the usage of this type of basic keywords. Some basic keywords in ruby are essential

  1.Create Regular Expression A) reg1 =/^ [a-z] * $/# Place the schema definition between two forward slashes and return a Regexp object B) reg2 = Regexp. new ('^ [a-z] * $') # create a Regexp object C) reg3 = % r {^ [a-z] * $} # Use the frontend %

Module: The module definition is similar to the class, and the module keyword is used. However, a module cannot be instantiated or quilt-type. modules are independent and a module is an instance of a module class. The two most common functions of a

Self Context Ruby's self is similar to Java's this, but is quite different. Java methods are referenced in the instance method, so this generally points to the current object. Ruby code is executed row by row, so the context self has different

From: http://galeki.is-programmer.com/show/183.html Like other oo languages, in ruby, object functions are completed by sending messages to objects, such as Str. upcase is the message that sends upcase to str. The vertex operator (.), it is used to

1. Win32ole   2. Rails plug-in Collection   3. How to Write a simple Rails Plugin   4. Create your own error message in Rails   5. Enhance the Automatic completion function of irb (words completion) Irb-r irb/completion   6. Document

Today, the following Program has made me struggle for a long time. The concept of private in Ruby is really strange... Class Test private def test_print puts 'test' endendclass Test2 you cannot call endendTest2.new by adding self here. private

Each The simplest iterator is to access all elements collected continuously. [1,3,5,7,9].each { |i| puts i }   Output result: 1 3 5 7 9 The unique function is to implement the for loop of the Ruby language. Because the built-in loop

The ruby class is a single inheritance creature, so there is a module, implementing multi-inheritance, Note: The names of modules, constants, and classes start with an uppercase letter. , Module reference:1. If the referenced module is in the same

For example, you write a class named SendMail and put it in a file named send_mail.rb, If you attempt to reference this class in the same directory Require "send_mail" It's a waste of time, we need to add this paragraph $: This means that the

Record various problems and solutions encountered during Redmine mail synchronization Configuration 1. How to install RedmineHttp://www.redmine.org/projects/redmine/wiki/RedmineInstall 2. How to configure automatic email receiving and timed