eloquent ruby

Ruby is a common language, not just a language applied to web development, but Ruby's development in Web applications and Web tools is the most common. With Ruby you can not only write your own SMTP server, FTP program, or ruby Web server, but you can also use Ruby for CGI programming. Next, let's

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 future if the opportunity to open a separate blog introduction. Ruby has 2 ways to send mail via SMTP, one of which is sent directly with NET::SMTP, compared to the bottom. If you want to send an attachment,

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, if you have installed the

If you are a student, you should be C, C ++ and Java. There will also be some VB, or C #/. NET. You may have developed some Web pages. You know some HTML, CSS, and JavaScript knowledge. In general, it is difficult for us to find that some students are able to master languages beyond these languages. This is a pity, because there are many programming languages that can make you a better programmer. In this article, I will tell you why you must learn Python or If you are a student, you should be C

Install Ruby in iOS Mac A series of questions raised by EasyIOS: the installation and use of CocoaPods in the previous article explains why cocoapods is used, but cocoapods needs a Ruby environment to be installed, to install the Ruby environment, you must first install Xcode (because of the xcode development tool, which helps us install the Development Kit requi

Out of curiosity about Ruby, good morning. Let's take a look at it. The syntax is concise and it's a good language, Have time to learn more Http://www.ruby-lang.org/zh_CN/documentation/ help documentation --- The following installation configuration is reprinted I. Preparations before installation: 1. Download RUBY: http://www.ruby-lang.org/en/downloads/ 2. Download RDT (

We are preparing to build a ruby development environment because we are interested in Ruby recently. Feel the power of Ruby. Some problems have been encountered during the environment setup process. We have recorded the problems in the following article and offered our solutions. Before getting started, I am using the environment

Both PHP and Ruby on Rails have a large number of their own loyal fans. Comparing the two is a difficult choice in itself. Whoever wins will attract the saliva of the other's fans. By this effect, developers often seem hesitant to choose between the two. Although the starting point of this article is a comparison, it is not a one-sided-style singing and singing, but a dialectical synthesis of contrast. No good or bad, suitable for their own is the bes

Ruby supports a modern language of a rich array of operators. Most operators are actually method calls. For example, A + B is interpreted as a, + (b) The method of the object referenced by the variable is called a parameter with B as its. For each operator (+-*/% * * | ^ Ruby Arithmetic operators: Assuming variable a=10, variable b=20: Ruby com

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 condition is true. The while loop condition is a reserved word in the code, a newline, a backslash (\), or a semicolon separated.Instance: #!/usr/bin/ruby $i

Ruby supports a modern language of a rich array of operators. Most operators are actually method calls. For example, A + B is interpreted as a,+ (b) The method of the object referenced by the variable is called a parameter with B as its. For each operator (+-*/% * * | ^ Ruby arithmetic operators: Assuming variable a=10, variable b=20: Ruby comparison operat

First, you have to check if Ruby is installed. In the shell prompt entered prompt (here is expressed as "%", so don't typing%), typing % Ruby-v (-V tells the interpreter to print out Ruby version) and then knocks in the carriage. If Ruby is installed, you will see a message similar to the following: %

Ruby on Rails is shaking the whole Web development landscape. Let us first understand the underlying technology: Ruby is a free, simple, intuitive, extensible, portable, and interpreted scripting language for fast and simple object-oriented programming. Like Perl, it supports many of the features of working with text files and performing system administration tasks.Rails is a complete, open source Web fram

Let's write a simple ruby program. All Ruby source files will be in extension. RB. So, put the following source code in a test.rb file. #!/usr/bin/ruby-w puts "Hello, ruby!"; Here, suppose you have a Ruby interpreter installed, which can be found in the/usr/b

1. The following two reasons are causing your Rails application to slow down: Ruby and rails should not be used as the preferred place for Ruby and rails. (with Ruby and Rails doing a job that's not good for doing) Excessive memory consumption leads to a lot of time for garbage collection. Rails is a delightful framework, and