Ruby

The data is random, so each record will be different. Demo Code: [Code] #!/usr/bin/env Ruby COUNT = Ten require ' benchmark ' $account _chars = (' A ' ... ') Z '). to_a.delete_if {|c| c =~/[aeiouy]/} # $password _chars = (' 0 '. 9 '). To_a

This article mainly introduces some of the relevant uses of the array in Ruby, is the basic knowledge of Ruby learning, need friends can refer to the Ruby arrays are ordered, any object's?? A collection of integer indices. The elements in each

Ruby That's not much to say. RVM Used to help you install a ruby environment, help you manage multiple ruby environments, and help you manage which Ruby environment you use on your computer for each ruby application you develop. The ruby

One of the coolest features of Ruby is to extend it using the Application programming interface (API) defined by C + + +. Ruby provides the C header file Ruby.h, which comes with a number of features that you can use to create Ruby classes, modules,

In fact, as long as you capricious can, with Telnet is also able to send an e-mail. But the cat is not so capricious, or use the KISS principle to send mail it. This blog post only describes how to send e-mail, but does not involve the mail, the

On the Java platform, Lucene is a desirable full-text search tool, Lucene performance, program stability, Third-party expansion and word segmentation algorithm, but in the ror aspect, not so lucky, Javaeye Web site to do full-text search, how to

Ruby on Rails in various pits on the window platform, the configuration process is quite painful.Expected installation content:MySQL serverRuby 2.0.0Rails 4.0.2MYSQL2 0.3.16installation files:MySQL official website:

Chapter2:rinda including 7 parts: "Hello World" the Rinda Understanding Tuples and Tuplespaces Callbacks and observers Security with Rinda Renewing Rinda Services Conclusion

"Editor's note" the author of this article is Pierpaolo Frasa, which describes in detail the various aspects of writing microservices in Ruby in a detailed case. Department of Domestic ITOM management platform OneAPM compiled rendering.Recently, we

For newly-introduced developers, how to install Ruby, the operating environment of Ruby Gems and Rails can be a problem, this page focuses on how to quickly install a ruby development environment with a reliable path.The secondary installation

Project Address: Ruby-prof In the previous Profiling tool in Ruby, we listed several of the most commonly used profilers, but just a brief introduction, this time detailing how ruby-prof is used. Ruby-prof is a powerful, support CPU, memory use,

1.IRB parameter Configuration~/.irbrcirb.conf[:P Rompt_mode] =: simple #简化 IRB prompt, and disable some annoying auto indent behavior Irb.conf[:auto_indent_mode] = False2. Notes:#单行=begin...... MultiRow=end3. StringString connection>> "JK" + "JK" =

At the beginning I just want to spit groove for the club I didn't know vagrant earlier, so I could save the money for the MacBook Pro ..."Create and configure lightweight,reproducible and portable development environments." This is the introduction

Lin Shi, a friend of mine, recommended a web development tool: Ruby. He went to his side in the morning and demonstrated it. It was amazing! As long as you define a database table, regardless of ms SQL and MySQL, the rest of the work is about the

1.1.rails 1.1 create a rails Application Program $ Rails app_name Optional: -D, database = xxx specifies to install a database (MySQL Oracle PostgreSQL sqlite2 sqlite3), which is a database by default -R, ruby-Path = specifies the ruby

Ruby development environment and rails development environment: You only need to install the following plug-ins to implement a powerful Ruby rails development environment that supports syntax highlighting, Automatic completion, and syntax error

Ruby basic syntax getting started tutorial, ruby basic syntax tutorial Let's write a simple Ruby program. All Ruby file extensions are. rb. Therefore, put the following source code in the test. rb file.Instance #!/usr/bin/ruby -wputs "Hello, Ruby!";

The concept of class objects in Ruby and the concept of ruby objects Object-oriented Programs involve classes and objects. A class is a blueprint created from an individual object. In object-oriented terms, we say that James's bicycle is an object

Ruby meta-programming summary, ruby Summary When I was asked such questions today, I used to think that this is a broad concept. Even if I have used these features, but I still don't know this is called "metaprogramming" until today when I was asked,

Tutorial on installing and configuring Ruby on Rails development environment in Windows, rubyrails This article describes in detail how to configure the Ruby on Rails development environment in Windows, hoping to help beginners of ROR. 1. Download