Ruby

Web Automation testing has always been a more pressing problem.Figure 1-1 Tools required for installationhttp://railsinstaller.org/because installing Ruby also requires a few other development tools, it is recommended to download it from the website

Modify viewsModify the index view (app/views/posts/index.html.erb) and add the edit link as follows:our blogs That is, add the following logic: Among them, Edit_post_path, is the previous "[Ruby on Rails] and I learned route map" referred to

Brief introductionStackprof is a sampling-based tuning tool, what are the benefits of sampling? The advantage is that you can use it online and grab part of the data based on the built-in algorithm, affecting only a fraction of the performance. It

In Ruby rails, if you want to save a property (or read a property), and you want to do something else when you save the property (or read a property)You can use the method that overrides the property's setup or reader.For example, a models table has

Ruby Resources Home to http://rubygems.org gem Resources Http://rubyforge.org/ Http://www.ruby-lang.org/en/rubyofficial website Http://www.ruby-doc.org/Ruby Doc and API Ftp://ftp.ruby-lang.org/pub/ruby/ruby version FTP

Ruby is an object-oriented language.What does this mean? Indeed, for "What Is oop", every 10ProgramI am afraid there are 12 kinds of opinions among the employees. I will leave this question to your discretion. In terms of features, Ruby provides a

Http://rvm.io/rvm/install   Install RVM (development version):\curl -sSL https://get.rvm.io | bashWithout autolibs\curl -sSL https://get.rvm.io | bash -s -- --autolibs=read-failInstall RVM stable with ruby:\curl -sSL https://get.rvm.io | bash -s

You may think the following chart is interesting, because it is a quality data filtering algorithm written in three programming languages (Ruby, Java, C/C ++: sieve of Eratosthenes) Well, obviously Ruby is slow, and it is about 1.5 orders of

Some Suggestions on Ruby on Rails routing configuration, rubyrails When you need to add one or more actions to a RESTful Resource (do you really need it ?), Use member and collection routes. # Differential get 'subscriptions/: id/unsubscribe

Rbenv is used to manage Ruby versions. rbenv is used to manage ruby versions. Rbenv is used to manage the installation and use of multiple versions of ruby in the user directory. It can be used with rvm. The specific differences between rbenv and

A few Ruby tips and Ruby tips Sequential call of code blocksCopy codeThe Code is as follows:Def touch_downYield [3, 7]Puts "touchdown! "EndTouch_down do | (first_down, second_down) |Puts "# {first_down} yards on the run"Puts "# {second_down} yards

Multiple ruby traversal folder code instances collected, ruby instances 1. traverse all files in the folder and output file names Copy codeThe Code is as follows:Def traverse_dir (file_path)If File. directory? File_pathDir. foreach (file_path) do |

Ruby class inheritance, abstract classes, class expansion, proxy class instances, ruby instances Summarize the class extensions encountered in the work: 1. class inheritance: When multiple classes share many methods, you can extract the public

Common jquery operations and jquery operations Page load Method $().ready(function() {}) Div hide operation // Whether the div hides function isHideMenu () {return $ ("# menuContent "). is (": hidden")} // hide divmainFrameset. hide (); // display

It took nearly two years. After multiple test versions, Ruby On Rails 3.0 was officially released. Over 1600 developers participated in the development. With the joint efforts of everyone, Ruby On Rails 3.0 was "faster, stronger, and more beautiful".

Here, you can download the latest Ruby version suitable for you. The current stable version is 1.8.6. Read the Ruby open source license before downloading it.Ruby source code If you want to make it more compatible with your platform or you need to

I. Numbers Ruby supports integers and floating-point numbers. integers can be of any length. Integers within a certain range are stored in binary. They belong to the fixnum type. If they exceed this range, they are automatically converted to the

1. Japanese to UTF-8Differences between Iconv. new ('cp932', 'utf-8') and Iconv. new ('shift _ jis ', 'utf-8')Iconv. new ('shift _ jis ', 'utf-8') does not support the following formats:When bytes 001-18 XXXXXXX, you can only replace the bytes in

Struct and typedef struct are clear, and structtypedef is clear. It can be divided into three parts:1 first: // note the differences between C and C ++To define a struct type in C, use typedef:Typedef struct Student{Int;} Stu;So when declaring the

Interpreting the usage of annotations in Ruby and interpreting ruby annotations The Code Annotated In the Ruby line is ignored at runtime. Single line comment # starts with the characters. They start from # To the end of the line as follows: #!