Ruby

The older version of the Will_paginate is based on the plugin method, which is installed as follows: Ruby Script/plugin install Svn://errtheblog.com/svn/plugins/will_paginate The new version of Will_paginate has abandoned this practice, instead of

This article mainly introduces the matrix multiplication algorithm implemented by Ruby, this article gives the implementation code directly, and the friends who need it can refer to the following Dynamic programming solves the problem of matrix

This article mainly introduces a few Ruby tips to share, this article explains the code block sequence calls, mainly said that the array in blocks in the use, Hash#fetch, create code snippets and other tips, the need for friends can refer to the

Let's write a simple Ruby program. All Ruby file extensions are. rb. So, put the following source code in the Test.rb file.Instance #!/usr/bin/ruby-w puts "Hello, ruby!"; Here, suppose you already have a Ruby interpreter available

The time class is used in Ruby to represent dates and times. It is based on the system date and time provided by the OS. The class may not represent a date before or after 1970 or 2038 years. This tutorial will familiarize you with all the

The main callable object in Ruby is the Proc object, the Lambdas, the method object. Proc is a separate sequence of code that you can create, store, and use as a parameter to the method, or you can execute it using the call method if you wish.

Contributed by Brian Leonard, maintained by Gail ChappellDecember 2007 [Revision Number:v6.0-6] In this tutorial, use the Ruby support in the NetBeans IDE to create and run a simple Web application. The example shows how to create a Ruby Web log.

1. Install Xcode2. Download the following installation package from Oracle websiteInstantclient-basic-macos.x64-12.1.0.2.0.zipInstantclient-sdk-macos.x64-12.1.0.2.0.zip: http://www.oracle.com/technetwork/topics/intel-macsoft-096467.html3. Copy the

First, configure the Linux environment, refer to the following two blog posts completed① quickly get started with Ubuntu installation--Install win7,ubuntu16.04 dual systemhttp://blog.csdn.net/qq_28205153/article/details/52203512② Illustrated version:

The role of enum is to declare an enumeration property to map the value of an integer field in the database and to query the database through this property.This can be used (the case comes from the official), such as:class conversation ActiveRecord:

1, http://rubyinstaller.org/downloads download Rubyinstaller and Developmentkit (note the version number to correspond)2, installation Rubyinstaller and decompression Developmentkit3. Open cmd, enter Developmentkit extract directory, execute ruby DK.

Python and Ruby are both excellent languages, all of which emphasize people-oriented and have their own merits. However, I feel Ruby seems more friendly. Ruby draws on the advantages of smalltalk, Python, and Perl. We recommend that you learn Ruby

• In Ruby's object-oriented world, we work with objects and Methods . Unlike VB. net, where some subroutines return a value (functions) and others do not (subs), all Ruby methods must return a value. when an explicit return statement is not used,

First, let's look at the alias. In Ruby, we can create an alias for the method or global variable. What's interesting is that after the method alias is defined, even if the corresponding method isCodeAfter a new definition (that is, an internal

Sketchup has a ruby interface that allows you to easily develop plug-ins you need. First, we will try to draw a ball. However, there is a small problem, that is, when we draw the same ball continuously (with the same radius and ball Center), we will

A summary of common functions of Time objects in Ruby and a summary of rubytime objects Time object. Time. now returns the current Time. 1. Time. Time. at (time [, usec]) Returns the time object of Time. time can be a Time object, or an integer or

Ruby, as a powerful and flexible programming language, has been used by many programmers. They have gained great benefits in the use process. Today, we will introduce one of the following skills: Ruby's application skills for configuring Mysql DBI.

Ruby on Rails is famous for its elegant MVC Architecture, which is so attractive and beautiful, while CakePHP is one of the common frameworks in PHP development. If you don't want to be bound to the traditional PHP brick-and-mortar development, you

Concurrent concurrency and global lock details in ruby, and ruby parallel global explanation Preface This article mainly introduces you to ruby concurrency and global locks. We will share the content for your reference and learning. I will not talk

Ruby-based watir-webdriver Automated Testing Solution and implementation (2), watirwebdriverThen the Ruby-based watir-webdriver Automated Testing Solution and implementation (1)Http://www.cnblogs.com/javame/p/4259360.htmlcontinue ...... review