Ruby

This article mainly introduced the Ruby implementation of the shortest editing distance calculation method, this article directly gives the implementation code, the need for friends can refer to the The calculation of the shortest editing distance

Monkey Patch (Monkey Patch) is a special programming technique. Monkey patch can be used to dynamically modify (extend) A class or module at run time. We can modify the Third-party libraries that do not meet our needs by adding monkey Patch, or you

Today your leader to find you, hope you can help him a little busy, he is now anxious to go to the meeting. What can I do for you? You're curious.He said to you, the current database of your project has a user information table, which contains a

I have recently considered a lot of metaprogramming (metaprogramming) issues and would like to see more examples and explanations of this technology. For better or worse, Metaprogramming has entered the Ruby community and is a standard way to

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.

In the practice of agile development, the test drive is indispensable. This article looks at a test-driven development example in rails. Before we wrote and conducted some unit tests and functional tests, our customers suddenly asked to add a

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

Upgrade Ruby to the latest version under Mac 在安装其他软件的时候 发现ruby的版本过低，现在准备升级夏ruby。View Ruby version命令：ruby --version提示版本如下，确实应该升级了：ruby 2.0.0p481 (2014-05-08 revision 45883) [universal.x86_64-darwin14]Upgrade Ruby 查询网上采用brew方式 命令： brew install

Not long ago, my friend told me that sass to write CSS is very good, I tried to use, then in the use of SASS when the installation is also a point of time, then I tidied up the installation and use of some of the things, share, so that you want to

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

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

System RequirementsFirst determine the operating system environment, it is not recommended to engage in Windows, so you need to use: Mac OS X Any Linux distribution (Ubuntu,centos, Redhat, ArchLinux ...) Strong novice use

Ruby Environment Sass Compile Chinese syntax error:invalid GBK character Error resolution method,Sass file compile time using the ruby environment, whether it is the interface of the Koala tool or command-line mode can not pass, it is annoying.Easy

3. Ruby and soap Simple Object Access Protocol (SOAP) quickly becomes the standard protocol for Remote Procedure Call (RPC. (For more information about soap, see http://www.linuxmagazine.com/2001-10/soap_04.html and http://www.linuxmagazine.com/2002-

It seems to be another technical trend ~ Let's see if it can be pushed ~ Please note ....  Can a single-person force and a mantra of "Simplicity first" enable the development of Web applications? David Heinemeier Hansson, a Copenhagen resident on

Ruby metaprogramming and ruby Programming An object model Kernel Module Kernel. private_instance_methods.grep (/^ pr /)   Private method 1. If a method receiver is not yourself, you must specify a receiver. 2. A private method can only

A summary of some basic syntax knowledge points in Ruby. Let's write a simple ruby program. All Ruby source files will use the extension. rb. Therefore, put the following source code in a test. rb file. #!/usr/bin/ruby -wputs "Hello, Ruby!"; Here,

A Brief Introduction to Ruby on Rails's support for PostgreSQL array types, railspostgresql I am very happy to announce that Rails 4.0 now supports PostgreSQL array types. you can easily create fields of the array type through: array => true in

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

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