ruby pry

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Use Ruby to write a tutorial on a command line application that accesses Twitter _ruby topics

Brief introduction Twitter is now the leader in social networking. Twitter only allows users to post no more than 140 characters, and who would have guessed that the previously insignificant small web site is now worth more than 1 billion of billions of dollars, has millions of users, has built a lot of apps on Twitter, and that new developers are ready to invest in the wave. This article does not intend to introduce Twitter (in fact, it is not necessary). Instead, this article describes how t

Install ruby-Debug

To install the ROR Debugger in netbeans, click "Debug main project" to install the ruby quick debugger. As a result, the installation fails... (In fact, it is installed using the gem install ruby-debug-y command.) I searched the internet and said that the other two gems must be installed before installation. The following is a reference to the late brother's article http://hlee.javaeye.com/blog/576237 Bytes

Nginx+unicorn Deploying a ruby Web Environment

recently took over a Ruby Web project, and since it was not previously exposed to Ruby and related web development, and the document was missing, it was a bit of a detour to deploy the project .。Finally, we have successfully deployed the project by referring to several Ruby on rails development environment deployment and learning the relationship between Gem/bund

Build RubyMine + Ruby On Rails + MySQL development environment in Windows

Build RubyMine + Ruby On Rails + MySQL development environment in Windows I recently took over a mobile phone project. Some problems have been encountered during the environment setup process. We have recorded the problems in the following article and offered our solutions. Development Environment: Windows 2003; JetBrains RubyMine6.3.3 1. download the latest version of ruby(rubyinstaller-2.0.0-p598.exe, the

Ruby + Apache + MySQL for Linux

Ruby + Apache + MySQL for Linux Ruby is a very interesting open-source scripting language that supports Windows/Linux and other platforms. It can be used to develop games, network applications, and system management,CGI program, etc. It is concise, elegant, and highly efficient to execute, and now there are many mature frameworks to support it. However, it is currently not widely used in China. If you are i

Ruby pioneers talk about the shortcomings of this programming language

Ruby pioneers talk about the shortcomings of this programming language Ruby creators song benzihong and Rails creator David Heinemeier Hansson make frank comments on the language. As a dynamic language originally released in 1995, Ruby was widely praised for its convenience advantage and often appeared on the popular language selection list. However,

Ruby learning methods, methods, books

Recently, to learn new projects, you need to learn new languages to complete tasks. This language is Ruby that has been heard but never learned and practiced, the previous visual image is often used in comparison with python. Of course, it is a little later than python. It draws on some things of Python and implements some features not available in Python. There is no direct comparability, but I still think python is easy to use. [Python's purpose is:

Anthropomorphic class discussion of Perl/PHP/Python/Java/Ruby

Compared with Java and. NET platforms, dynamic languages are lightweight, flexible, and efficient in development, but there are still some gaps in integration cohesion. Therefore, they are usually used as lightweight solutions. LAMP is a network development platform consisting of Linux, Apache, MySQL, and scripting languages including PHP, Perl, Python, and Ruby, it features openness, flexibility, rapid development, convenient deployment, high configu

Build a Ruby on Rails environment on Windows

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 "Install", click "Next", "I agree", and select the installation path (my insta

Ruby 1.9 does not kill Python

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 so-called "product environment" is basically Ruby on Rails for the current Ruby. According to the current reflection of t

Ruby object-oriented Programming Detailed _ruby topics

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 instance of class. This chapter will cover the object-oriented aspects of Ruby

Tutorial on using Ruby to implement simple things-driven Web applications _ruby topics

record all of the scripts again. So is there any way to overcome the above problems and make the work easier? The answer is YES! For example, an online electronic bookstore, for users to buy the book scene, we can use the following script for integration testing: Login ' test@test.com ', ' pass4you '/LoginList_books//List of booksAdd_to_shop_cart ' Who says elephants can't dance '//Add to the cart the book who says elephants can't dance Readers can see, "Login", "List_books", "add_to_shop_c

Install Ruby, Rails runtime environment, and rubyrails quickly and correctly

Install Ruby, Rails runtime environment, and rubyrails quickly and correctly How to quickly and correctly install Ruby and Rails runtime Environments For new entry-level developers, installing Ruby, Ruby Gems, and Rails running environments may be a problem. This section describes how to quickly install the

Instructions on how to use the XML data processing database REXML in Ruby, rubyrexml

Instructions on how to use the XML data processing database REXML in Ruby, rubyrexml Use REXML as a treeThe purpose of REXML is to be enough. To the maximum extent, it can complete tasks well. In fact, REXML supports two different styles of XML Processing-"Tree" and "stream ". The first style is the simpler version used by DOM; the second style is the simpler version used by SAX. Let's study the tree style first. Suppose we want to extract the same ad

Several programming skills for accelerating Ruby on Rails, rubyrails

Several programming skills for accelerating Ruby on Rails, rubyrails Ruby is often praised for its flexibility. As Dick Sites says, you can "Program for programming ". Ruby on Rails extends the core Ruby language, but Ruby itself makes this extension possible.

Tutorial on installing the Ruby interpreter on the operating system.

Tutorial on installing the Ruby interpreter on the operating system. Ruby installation-LinuxThe steps for installing Ruby on a Linux machine are listed below.Note: before installation, make sure that you have the root permission.Source code InstallationDownload the latest Ruby compressed file. Click here to download.Af

What is the ruby language?

What is the ruby language? 1. IntroductionRuby is written by Yukihiro Matsumoto in Japan. It is a simple and easy-to-learn object-oriented scripting language. Like perl, ruby has rich functions such as text processing and system management, but Ruby must be simple, easy to understand and expand. It is similar to python, but it is far from famous in China.

Ruby string processing

Ruby processes strings like numbers. We enclose them with single quotation marks ('...') or double quotation marks. Ruby> "ABC""ABC"Ruby> 'abc'"ABC" Single quotation marks and double quotation marks have different functions in some cases. A string enclosed by double quotation marks allows a character to be led out by a front slash, and can be embedded with

The concept of class objects in Ruby

The concept of class objects in Ruby This article mainly introduces the concept of class objects in Ruby, which is the basic knowledge of Ruby learning. For more information, see Object-oriented Programs involve classes and objects. A class is a blueprint created from an individual object. In object-oriented terms, we say that James's bicycle is an object instan

Detailed descriptions of hook methods in Ruby

Detailed descriptions of hook methods in Ruby This article mainly introduces the detailed explanation of the hook method in Ruby. This article explains what is the hook method, extended, extended, prepended, inherited, and so on in included, Devise, for more information, see Ruby's philosophy is based on a basic element, that is, to make programmers happy. Ruby p

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