how to debug rails

No exception. Like all other open-source projects, if you want to enter the Ruby on Rails world, you will find very difficult, rarely documented, and scattered,The downloaded file lacks basic instructions. My personal experience is a typical example. If you don't talk nonsense, let's start with the following: 1. installation environment Ruby on Rails Website: http://www.rubyonrails.org/1. Download it here

The invasion of Github is currently gaining popularity in foreign development circles. It seems that there is no message in the Chinese circle. Let me report what happened. By the way, I want to introduce one of the concepts that need to be paid attention to when developing Rails code .. What happened? The Rails master is congested by a hacker. To prove that Github can be intruded.Why will this happen (the

From: http://www.oreillynet.com/ruby/blog/2007/09/7_reasons_ I _switched_back_to_p_1.html By Derek Sivers in opinion Summary:I spent two years trying to make rails do something it wasn' t meant to do, then realized my old abandoned Language(PHP, in my case)Wocould do just fine if approached with my new rails-gained wisdom. Intro/background: Back in January 2005, I announced on the O 'Reilly blog that I was

Ruby on Rails ...... It has nothing to do with. net ...... The homepage is for more people to access Ruby on Rails ...... Withdraw tomorrow ...... Http://www.blogwind.com/Wuvist/16993.shtml By the way, I use Mac, and the cute editor used in blog Park has become a text area in safari. However, the latest version of cute editor is already compatible with safari to some extent ...... After reading the video o

It brings great opportunities for the development of Web solutions. This is the first article in the DB2 with Ruby on Rails series. The following articles mainly show you how to get started with the DB2 database and Ruby on Rails. In actual operations, the emergence of the Ruby language is combined with the powerful Rails framework, it brings great opportunities

Http://www.cnzzad.com/tut/69566.html Recommended:Start Network-Professional hosting and server sharing provider 17hz.net-5-year server shared rental boutique Service From: http://developer.51cto.com/art/200908/147276.htm It is difficult to install Ruby on Rails, but it is also very convenient. Development of applications based on RubyProgramYou must install Ruby, Gem, rails, and mongrel. H

Development Environment Construction in Windows This article describes how to build an RoR development environment in a Windows operating system. 1. Remote Installation A. Step 1: download and install the Ruby one-click installation package Download the latest Ruby 1.8.6 one-click installation package for http://rubyforge.org/frs? Group_id = 167. Download the package and run the installation file. The installation file is displayed on the page 2-1. 　　Figure 1 installation program running interfa

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 very simple and low-level (like flask).Two relatively more popular frameworks in Web application development are Ruby on Rails and Laravel. All two of them are ver

View View is divided into builder mode and rhtml mode. The following is an example of the builder mode. XML. Div (: class => "productlist") DoXML. timestamp (time. Now)@ Products. Each do | product |XML. Product doXML. productname (product. Title)XML. Price (product. Price,: currency => "USD ")EndEndEnd If the tag and built-in method are repeated, you can use something! () To generate tags Rhtml is similar to JSP. The H method provides HTML EncodingHelper Xxxcontroller correspon

data through helper: some_helper.rb in the Controller Import data using helper somehelper in the Controller (when the class has been planted) The helper_method can also change the method in controller to helper. However, this is not recommended and the encapsulation is broken. Rails has a lot of built-in helper available, such as the conversion of various units to helper (especially meaningful to view). For details, refer to rdoc's special

Ruby on Rails is a framework that makes it easy for you to develop, deploy, and maintain Web applications. October 2015 programming language leaderboard Ruby entered the top 10 of the Tiobe leaderboard, which shows how popular it is. This article will help you open the door to Ruby on Rails web development and help you get to the world of Ruby on rails and enjoy

We are preparing to build a ruby development environment because we are interested in Ruby recently. Feel the power of Ruby. Some problems have been encountered during the environment setup process. We have recorded the problems in the following article and offered our solutions. Before getting started, I am using the environment Ruby 1.9.2 and rails 3.0.9. 1. download the latest Ruby version. URL: http://www.ruby-lang.org/en/downloads/ 2. Ins

(Translator's note: At railsconf July this year held in February 2006, David Heinemeier Hasson gave a keynote speech about the rest design in rails 1.2, and the rest style brings about innovations in Web application design. The first time I saw this video, I thought it could be a historical presentation on Web server development. At that time, I listened to the speech and translated the speech into nearly 3000 words, which accounted for about 1/4 of t

1. Ruby is a free, simple, intuitive, scalable, portable, and interpreted scripting language for fast and simple object-oriented programming. Similar to Perl, it supports many features for processing text files and executing system management tasks. Rails is a complete open-source Web framework written in Ruby. It aims to use simpler and fewer code to write actually used applications. Rubygems is a standard Ruby Package Manager, which features si

I have the opportunity to try Rails again, but I only came into contact with 2 and now it has become 4. It seems that the current installation is faster than the original one .. Rails 4 installation For RVM InstallationCopy codeThe Code is as follows: gem install railsOtherwise, it should be as follows:Copy codeThe Code is as follows: sudo gem install railsInstructions for installing RVMCopy codeThe Code is

How to optimize ActiveRecord in Ruby on Rails: railsactiverecord Ruby on Rails programming often spoil you. This evolving framework frees you from the boring experience of other frameworks. You can express your intent with just a few lines of code snippets that you are familiar. ActiveRecord can also be used. For an old Java like me? For programmers, ActiveRecord is somewhat unfamiliar. Through the Java fra

After using the rails new appname to build rails applications, we can view the directory structure of Rails applications through tree: Directory structure The application directory will have 11 directories of App, config, DB, Doc, lib, log, public, script, test, TMP, and vendor, and config.ru, Gemfile, Gemfile.lock, Rakefile , Readme.rdoc, etc. 5 documents. Th

The dynamic nature of the Ruby language makes it simply not enough to learn rails simply by looking up the relevant API documentation, because the API documentation only records the methods of static code definitions, and many of the methods in rails are dynamically generated at load or run time, and you want to understand that these methods must read the source code. This article takes a method invocation

future of your framework? What changes will be convenient for user development? Will you support Ajax in the native way? Are you planning to support it?He believes that the JSF standard should be provided by a third party. JSF (2.0) provides "partial faces request", which is an Ajax implementation. JSF also enhances annotation build programming.5. Are there any rumors about your framework that need to be clarified? If so, what is it?Many JSF books use struts for comparison. He believes that thi

This tutorial is only suitable for Ubuntu Server to deploy the project to the line, it is recommended to use the same Ubuntu version, so as not to encounter some different versions of the problem. This tutorial is suitable for beginners to deploy Rails applications for the first time; This article tests through the environment Ubuntu 12.04 Server, Server installation tested on Linode