Ruby

One, problems and ideas Recently in the rails + react + MySQL basic framework to write a CMS + client project, which involves the image upload and display, the following simple ideas, as for the deployment of the project, should be in the end of

Configure the Ruby environment before installing cocoapods, this article summarizes how to install the ruby environment. Installing the ruby environment requires first installing Xcode and then installing homebrew, and then installing RVM to install

Source Code Compilation Installation ruby-2.21, access to source packages;wget http://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.gz2. Install dependent packagessudo apt-get install-y build-essential OpenSSL curl libcurl3-dev libreadline6

In fact, Ruby Write API program is very simple, if the API itself is relatively standard, rather than a mess.class apidemo    #  Defining Interfaces   API_QERUY = [       :userAdd               #  User profile Add   ]    #  implement Ghost Method

Recently learning Ruby,ruby is an object-oriented programming language, and rails is the framework of Ruby, just like ssh in Java. It's just that rails is an MVC pattern. The following is a procedure for installing an environment.The main reference

Link: http://heatware.net/linux-unix/how-to-install-ruby-1-8-7-centos-5-5/ Have you ever tried to run the yum install Ruby command on centos 5.5? If you use the default application library configuration, you will find that you have installed Ruby 1.8

Use in rubyFormat (or "% ")To format the string. Example "Number is %d" % 12 # Number is 12format("Number is %d" , 12) # Number is 12"Number is %d, type is %s" % [12, "cat"] # Number is 12, type is catformat("Number is %d, type is

* I really don't know Ruby * # Encoding: UTF-8 #===================================================== ========================================================== # ■ suffix_automaton # ---------------------------------------------------------------

1 # current Block 2 class block 3 def a_method 4 return yield if block_given? 5 'no Block' 6 end 7 end 8 OBJ = block. new 9 puts "# {obj. a_method} "10 puts" # {obj. a_method {"here's a block! "}}" 1 # closure 2 class greeter 3 def initialize (name)

To have the zh-CN.yml file, this can be downloaded on GitHub, someone else made Gem for i18n Installation Config. i18n. default_locale = "ZH-CN" Add Zh-CN: Activerecord: Attributes: Product: Title: "title" Description: "Description"

The example explains the Hook method in Ruby and adds a hook to the method call. The example explains ruby. The Hook method is similar to the event-driven device. You can execute a specific callback function after a specific event occurs. This

Ruby syntax notes, ruby syntax Accept user input first_name = gets.chomp Uppercase letters first_name.capitalize! Uppercase letters first_name.upcase! Lower letters first_name.downcase! Multi-row output Print Note # I am a comment Variable

For details about return, break, and next in Ruby, rubyreturn The use of the return, break, and next keywords involves the issue of jumping out of the scope. Their difference lies in the different scopes of different keywords jumping out, because

Explain in detail the condition judgment statements in Ruby and explain the ruby judgment statements Ruby provides conditional structures, which are common in modern programming languages. Here, we will explain all the Ruby conditional statements

Ruby vs Python advantages and disadvantages, ruby vs python Ruby and Python are too similar, and most of the trade-offs are personal preferences. For example, I think Python's "There is only one way to do it. "than Ruby's" There are always ways to

Introduction to Ruby operators and statement priority, ruby operator priority Ruby is a language with strong expressive power. It is proud of its rich operators and syntactic sugar. Although Ruby has always regarded the principle of least surprise

Redmine, redminephp I don't know why my colleagues are obsessed with Redmine. Instead, I gave an old machine to help me install it. I recorded some pitfalls that may help my friends.  Install Ruby For windows, you can directly install it through

Introduction to Google Map/Reduce framework Skynet in Ruby, rubyskynet Skynet is a very loud name, because it is the super computer network that rules humans in the movie Terminator, a classic movie starring Arnold Schwarzenegger. However, Skynet in

Configuration instance for accessing the SQL Server database in Ruby, rubysql To analyze the data stored on SQL Server, you have to study how to use Ruby to access SQL Server. In fact, it is quite simple: Install FreeTDS Download FreeTDS source code

Ruby captures web images and ruby captures images. Some time ago, I saw a lot of scripts written by my sister, and I wrote one myself. Module CommonHelper require 'nokogiri 'require 'open-uri 'def down_load_xmz site_url = "http://www.xxx.com" for