1. Send email via SMTP
Every week Holden Glova,pat Eyler, and Phil Thomson submits a Ruby http://www.rubygarden.org/News (Weekly) article to the Ruby Garden website (rwn). A Ruby script receives this article via email, converts it from the original
In this chapter we will discuss more Ruby process control.
Case
We use case statements to test for ordered conditions. As we have seen, this is quite close to the switch of C,java, but more powerful.
ruby> i=8
ruby> case I
| at 1, 2..5
| print "1
The iterator was not invented by Ruby. It is widely used in all kinds of object-oriented languages. In Lisp, it's just not called that. However, the concept of iterators is not familiar to many people, so we will do a more detailed description here.
What is an accessor?
We've discussed the real variables before, but not too much discussion. The real variable of an object belongs to its property and is a general difference from other objects from the same class. It is important to read and
Introduced
The string and block solver that contains the code is one of my favorite Ruby features. Ruby offers a variety of different types of solutions, but what I use most is the following: eval, Instance_eval, and Class_eval.
Module.class_eval
Ruby language in the programming world can be said to be an up-and-comer, the purpose is to help programmers more simple and flexible to write code programs to complete their own functional needs. For example, in Ruby implementation stream.
This article mainly introduced the Ruby metaprogramming to create its own dynamic method, this article explains the use of method_missing and respond_to? To create your own dynamic method, you need friends can refer to the following
Method_missing
In the last content, we created the order model, and the presentation page, this time continue to write checkout processing.
1. On the checkout.rhtml page, there is a checkout button, the last time you have not written it processing code, now add
Ruby and rail: Regression framework
Ruby and rail are very concise, very easy, very rich. I can't avoid the continual seeing and hearing the above argument. For example, Bill Walton's rail review on Ruby said: "What would you think if I told you
Longest Common subsequence, LCs, dynamic planning implementation.
# Encoding: UTF-8 # Author: Xu Jin, 4100213 # Date: nov 01,201 2 # longest-commom-subsequence # To find a longest commom subsequence of two given character arrays by using LCS
Ruby installation in Linux
Ruby installation package: Http://www.ruby-lang.org/en/downloads/Ruby-1.8.6-p111.tar.gz [you can install any version! The methods are the same. But remember that there are commands for these steps]Unzip and
Original
Http://www.ruby-lang.org/zh_cn/documentation/ruby-from-other-languages/to-ruby-from-java/
Omit blablaSimilarity:
Memory Management, with the garbage collection function
All objects have types.
Public, private, and protected Methods
Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/9400153
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
After some comparisons and selections, we finally decided to use the popular Ruby as the first test script for my automated testing framework design, in addition, its test tool watir almost perfectly replaces the so-called charging tool qtp, and has
The dynamic planning algorithm is used to calculate the shortest editing distance.
#encoding: utf-8#author: xu jin#date: Nov 12, 2012#EditDistance#to find the minimum cost by using EditDistance algorithm#example output:# "Please input a string: "#
This article is original. Reprinted Please note:Author: UtensilBlog:Http://blog.csdn.net/utensil/Email:Utensilcandel@gmail.com
Finally, I bought practical rails projects. It turns out that this article "conquer Ruby on Rails" has blossomed
After studying flex for a while, we found that actionscript3 is as dynamic as Ruby and can build very powerful clients. However, for some text-based systems, it is a bit cool-killing, however, in the future, the client is moving towards multi-media,
Around_filter: around_action_filter
Protected
Def transaction
Ret = true
Activerecord: Base. Transaction do
Begin
Yield if block_given?
Rescue exception => ex
Set_notice (ex. Message)
Ret = ex. Message
Raise activerecord: rollback,
Why's lucky stiff. I am just a porter. You don't have to read the original text.
Well, suppose there is an instance method in a class. We hope this method runs only once ." Cut, I thought it was an egg. "The old people who have been familiar with
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