Ruby

This article is mainly about Ruby beginner notes Hello World, this article is a ruby self-study note, this article in the common method, function, class output Hello world, from one example to understand Ruby programming, need friends can refer to

Comparison of Ruby and Python syntax         In fact, Ruby is very similar to Python, and it is much closer than most other languages, so you can

Ruby has several methods for outputting data to the console. The most common methods are P, puts, and print. I will check the differences between these methods every time I use them, but I forgot to do it some time later... So record it here. You

Ruby 192 + watir 3.0.0 Today, I encountered a strange problem: Use watir: IE. attach in the script to locate a new ie window, and always report an error. error message: Watir-classic-3.0.0/lib/watir-classic/ie-class.rb: 760: In 'rescue in

Net: SMTP is easy to send emails, but it does not support sending attachments directly. You can install mailfactory to implement this function. 1) install mailfactory Run: Gem install mailfactory   2) supports Chinese The mailfactory

When I selected a language in the project in the early stage, I hesitated for a long time in ror and Django, and finally saw an evaluation.ArticleI also mentioned that Django is twice as efficient as Ror, so I chose Django. After a period of

Many documents describe how to use the gem (one-click Ruby installer is already included, and you can use the gem after installation) for Remote Installation. If the network is poor, the installation will fail. I can see an article on the Internet

1. ror ide Http://deadlock.netbeans.org/hudson/job/ruby/ You can download the dedicated Ruby ide version netbeans from this location, which is only 30 mb in size and faster than radrails! Netbeans ror supports a lot of features, but pay attention to

This is a very simple introduction to the feasibility of various scripts, without the expectation of some friends for Ruby. This question is also very difficult to answer, but it is easy to answer why Ruby is not. So let's answer why Ruby is not!

Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/8742681 This is a copy version of Java Design Pattern dialysis, which is specially provided for Ruby lovers. If you are not familiar with Ruby syntax, please

Songben launched Ruby 1.9 on Christmas Day. According to Ruby's convention, if the first digit after the decimal point is a singular number, it indicates that this is an experimental version and is not recommended for product environments. The

File downloading and garbled Chinese file names I am using a MySQL database. Pay attention to the following example when creating a table: (pay attention to the red part) Create Table 'books '('Id' int (11) not null auto_increment,'Name' varchar (2

In the university, a book is often placed in the course seat the night before, indicating that the position has been occupied. The next day, I came to this seat and opened the book for formal classes. in this phenomenon, Books Act as

  1. Determine the installation environment Before installing jruby, determine the JDK version on the local machine. If you are using jruby 1.1.1, you can use JDK 1.4 (from the network, not personally proven). However, if you are using jruby 1.1.2,

Class array def iterate! (& Code) # note that the & Symbol self is used here. each_with_index do | N, I | self [I] = code. call (n) end endendarr = [1, 2, 4] arr. iterate! Do | n ** 2end # [1, 4, 9, 16] 　　 When I read the code today, it was masked

Require 'net/SMTP' Require 'ftool' Require 'getoptlong' $ Tomail = "" $ Subject = "" $ Content = "" $ Filename = "" $ I = 0 Def help () Puts "Usage:/nsendemail [Option]" Puts "/t -- to-T destination email" Puts "/t -- Subject-s Email Subject" Puts "/

Original Title: Ruby on Rails tutorial Author: [Us] Michael Hartl Translator: Andor Chen Ruby: 2.0.0 Rails: 4.0 Price: $4.90 Page number: 460 Frame

Method A) Definition: Def method name (parameter) # method parameters in ruby can be left blank # Do something End Note: naming rules for method names: Start With lowercase letters or underscores (_), followed by numbers, letters, and underscores (_)

Last week, I received a small Case to import some employee information to the database. I opened the Excel file in the email. The original file format is as follows: ID FirstName LastName123 Jerry Chou What I need to do is import the data to the

I recently read the book Programming Ruby. I just got started with Ruby and joined the Rails framework. This is definitely the development of agile web development. Ruby is a dynamic language mainly embodied in: You can directly use a variable