Ruby

This is the second of the productive Java with Ruby series, and I would like to share with you a basic understanding of how to use Ruby for unit testing, and from here I will discuss some of the high-level topics that use Ruby for unit testing.

Microsoft's IronRuby project brings a powerful dynamic language to the Windows platform, the Ruby programming language is a modern, object-oriented language, and its syntax is inspired by the Perl and Smalltalk languages, invented by a Japanese

Ruby Installation: Ruby's installation can go to Ruby's official web site to download the Ruby1.56 Windows Installer package, install the after installation, open the DOS window, input ruby-v display Ruby 1.8.6 (2007-03-13 patchlevel 0)

A string object in Ruby holds and manipulates one or more bytes of any sequence, usually representing the character representation of the human language. Simple string literals are enclosed in single quotes (single quote characters). String value

Can this code run? What the hell is this data? require ' Erb ' Data = DATA.Read Max = 15_000 title = "Hello world!" content = "Hello world!\ n" * Ten Max. Times{ ERB.New(Data). Result(binding) } __end__ This magical data

With the page cache, Rails can no longer intervene. In a way, that's a good thing, because you can really get good performance. Rails simply creates an HTML page, puts it in a directory, and after that, it can be placed behind your head. From then

Ruby Global Variables Global variables begin with $. The value of an uninitialized global variable is nil, and a warning is generated when the-w option is used. Assigning a value to a global variable changes the global state, so it is not

Ruby's constant lookup path problem is a problem that's been bothering me, in the work encountered several times, has not thoroughly understand why, recently read a book "Ruby Metaprogramming", the Ruby object model has a deeper understanding, and

The first character of the Ruby variable name determines whether it is a local variable, an instance variable, a class variable, a global variable, or a constant. Typically, the second character of a variable name is a number, a letter, or an

Active support is a set of libraries provided with rails, active support extends some of the classes in Ruby, and this time we'll look at some of the most common features. 1. Extension of the number type The Fixnum class adds two methods: even and

The following issues have been encountered recently in a ROR Web project: Products can be classified by class navigation browsing, can be divided into three types of a,b,c, three categories under the other categories, at the same time, the base

First, install the system needs the packageInstall the Xcode development tool, which will help you install the development packages required for your UNIX environmentOpen the App Store, search Xcode, the first is, yes, there are 4 more g, speed if

Ruby on Rails (ROR) is equivalent to structs + spring + hibernate, but it is much more convenient, and there is almost no need to write configuration files, the development speed is also much faster (ROR is a 10 times faster than Java, and I don't

The download and installation of Ruby on Rails and the establishment of development environments should be based on Ruby to develop applications. Program You must install Ruby, Gem, rails, and mongrel. First, download the latest Ruby one-click

1. Prepare the library used for installation $ Sudo apt-Get install GCC g ++ build-essential libssl-dev libreadline5-dev zlib1g-dev Linux-headers-generic  2. Download ruby1.9.2 source code compilation and Installation $ Wget ftp://ftp.ruby-lang.org/

This article is original. Reprinted Please note: Author: Utensil Blog: http://blog.csdn.net/utensil/ Email: utensilcandel@gmail.com In the past two days, the previous blog website based on XML and PHP has been transplanted to MySQL and ror to

Document directory Aptana Ruby Dltk Ruby Most people are willing to use ide To Write Java and C # code because of Code Completion, intelligent formatting, and even automatic refactoring. In the dynamic language world, the situation is not the

The ruby block, Proc, and lambdablockblock are not objects. They are Ruby language features and are similar to closure ). Example: Def methRes = yield"Block called returns # {res }"EndPuts meth do next "next_value" end # block called returns

Http://developer.51cto.com/art/200610/33171.htm Ror is Ruby on Rails. Ruby is a well-known dynamic language. It's a dynamicLanguage. Simple andEasy. Dynamic Language is interpreted and executed, but the performance may be discounted, but not

Tkinter learning-event binding and window, tkinter windowReading directory: Event binding Toplevel component Standard dialog box Event binding: Note: For each component, bind () can be used to bind a function or method to a specific