This article mainly introduces the initial introduction of Ruby multithreaded programming, thread is the focus of Ruby programming learning and difficult, the need for friends can refer to the
A traditional program has a separate thread that
This article mainly introduces the modules in Ruby and mixed types of knowledge, including common people often say polymorphism and inheritance and other related knowledge, the need for friends can refer to the
Modules are methods, classes, and
This article mainly introduces some of the basic operations of ruby processing time, mainly using Ruby in the powerful timing module, the need for friends can refer to the
Get the current date and time:
The following is a simple example to get the
Use UTF-8 as the source file encoding.
Each indentation level uses two spaces (also known as soft tabs). No hard tabs.
# bad-four Spaces
def some_method
do_something
End
# good
def some_method
do_something
End
Use
Ruby is a purely object-oriented language, and all projects seem to be in Ruby as an object. Each value in Ruby is an object, even the most primitive thing: a string, a number, or even true and false. Even if a class itself is an object, it is an
There is a chance to try rails again, only the original contact is 2, now has become 4, it seems that the installation is now faster than the original.
Rails 4 Installation
Aimed at installing the RVM
Copy Code code as follows:
Gem
There are many popular frameworks for online Web application development at the moment. There are also many different types of frameworks, such as those with a large number of plug-ins that can make you faster iterations (such as Rails), or other
Some things mean nothing at any time, such as integers, and what you see is what it says. As with keywords, you can't use def,class these keywords as variable names, so when you see them, it's easy to know what they do. But there are a lot of things
If you have a property named balance in a model object, you can get the value of the property by using the index operator, you can use a string or tag, where we use the tag, for example:
Account[:balance] #=> Get value
Account[:balance] = 0.0 #=>
Ruby on Rails is a relatively new framework for WEB applications, and its goal is to provide an easy path for application development. In short, it makes life, or at least Web development, easier. In fact, proponents of the framework claim that the
Ruby on Rails on mac====================================================================================http:// Morizyun.github.io/blog/marvericks-rails-setup-ruby-rvm-msyql/for general:useful:http://qiita.com/keneo/items/ 0a58b188183b5100e3affor
Ruby on Rails on mac====================================================================================http:// Morizyun.github.io/blog/marvericks-rails-setup-ruby-rvm-msyql/for general:useful:http://qiita.com/keneo/items/ 0a58b188183b5100e3affor
This chapter launches the introduction of model: including check and delete operation. And then the above section, [Ruby on Rails] and I learned the HelloWorldCreating models using commands to create modelsCreate a table post, default comes with two
1. Arrays and Ranges2, BlockConvention: Use curly braces when there is only a single line of code in the block, when the block is a long line of code, or when there are many rows using do. End form. For example:>> (1..5). Each{|i| putsi} (1..5).
Some programming languages (such as C ++ and clos) provide multiple inheritance mechanisms: A class can inherit from multiple superclasses. For example, a house may inherit from a building class (together with the Office and hospital classes) and
Watir is an open-source Web automation testing framework implemented using Ruby. Compared with those large commercial tools, watir is small, flexible, and provides sufficient functions. Recently, I took the time to try it out. I feel pretty good. I
Build a Ruby on Rails environment on Kokko's Windows Platform
Use Ruby on Rails in Windows XP
1. Install Ruby,
Ruby on in win environmentE-click installer package, which is
Http://www.ruby-lang.org/en/downloads,
After the installation, click
Analysis of Ruby source code layout and programming style, analysis of ruby source code Layout
Use the UTF-8 as the source file encoding.
Each indentation level uses two spaces (also known as soft tabs). Do not use hard tabs
# bad - four spaces
Ruby
You don't need to talk about this.
RVM
It is used to help you install the Ruby environment, help you manage multiple Ruby environments, and help you manage the Ruby environment on which the Ruby application you develop uses the machine. The
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service