Ruby

Ruby Overview Ruby is a powerful object-oriented scripting language that allows you to easily and quickly object-oriented programming. Sometimes using a formal object-oriented language such as Smalltalk, Eiffel, or C + + to develop small projects

A traditional program has a separate thread that executes the statement or instruction sequence that contains the program until the program terminates. A multithreaded program has multiple threads executing. Each thread is executed sequentially,

Loops in Ruby are used to perform the same number of times as the code block specifies. This chapter details the looping statements that are supported by Ruby.Ruby While statement:Syntax: While conditional [do]CodeEnd Executes code when the

When asked this question today, it was always considered a broader concept, even though I have used these characteristics, but have never known this is called "meta programming" until today when people ask, just epiphany some, and then on the

A hash is a collection of key-value pairs such as "employee" => "salary". The index of a hash is done by any key of any object type, not an integer index, and the other is similar to an array. The order in which the hash is traversed by a key or

Write one of the simplest examples 1. Build the following folder Note: The Lib directory must have a RB file that is the same as your gem name. Copy Code code as follows: $ CD Hola $ tree . ├──hola.gemspec └──lib └──hola.

You are a veteran. NET programmer, and has built many Web applications with asp.net. Countless sleepless nights, in order to allow the event-driven model in the ASP.net control lifecycle to execute in the way you want, you painstaking and delve

Because in some cases you want to use a nonexistent column, or you want to create a new virtual modelYou can create a new tableless.rb under concerns under models, with the following code:Module tablelessdef self.included (Base)Base.extend

How to learn ruby at high speed ? The quickest way to learn a language.variables, constants, variable types, operators.Logical statements such as if, else, switch, for, foreach, does while, break, and so on. What languages do you want to learn? What

Win32ole in Ruby is a standard library that can be used as long as the require ' win32ole ' is added.Here is a code to simulate a login1Require'Win32ole'2 3ie = Win32ole.new ('internetexplorer.application')4 5Ie.visible =true6Ie.navigate ('

Use Fastlane for fast, continuous updates and a range of issues during installation:1. Installing the Fastlane:sudo gem install FastlaneErrorERROR: Failed to build gem native extension.--remove http://rubygems.org/-a https://ruby.taobao.org/# View

    Ruby on Rails Twitter ApplicationProgramThe interface is very simple.Twitter is a simple rails application.The application interface for querying information is called as a GET request, while the application interface for modifying, creating,

ArticleDirectory Ruby source code Windows Linux 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

The Viterbi algorithm can solve the most likely state sequence problem of the Hidden Markov Model. On Wikipedia, a python example is provided for the Viterbi algorithm. The original Article address is as

Deploy the Ruby server and ruby# Create a project directory/Opt/logs/TV-cibn-cms# Install rbenv and ruby 1.9.3 IN ruby# Install and compile related packagesYum install-y gcc openssl-devel libyaml-devel readline-devel zlib-develSu-ruby #/home/ruby#

The differences among block, proc, and lambda in Ruby are summarized. In the rule engine, Ruby closures are frequently used, and there are several forms of usage such as block, Proc, and lambda, which is confusing. To gain a deeper understanding of

Javascript-implemented element drag function host is browser, javascript host // The host is a browser. // upload the reference of the corresponding element object to function candrag (drager) {drager. onmousedown = function (down) {var offx =

JS obtains the Client IP address, MAC, and host name in seven ways. Today, I am engaged in JS (javascript) mini-programs for obtaining client IP addresses. I searched the internet and found that many of the current systems and browsers are

Recently, the latest version of the Ruby 1.9 series, Ruby 1.9.2, has been officially released. This version is compatible with most of 1.9.1. Ruby 1.9.2 99% has passed RubySpec, and Ruby 1.9.2 has significantly improved its performance compared with

There are not many ruby books. I have collected these books from the Internet. Download them and click images. Programming Ruby, Second Edition: getting started with ruby, Version 2, required for learning ruby (UPDATED)