how to debug rails

Fence rails Burch, kolstad, and schrijvers Farmer John is trying to erect a fence und part of his field. he has decided on the shape of the fence and has even already installed the posts, but he's having a problem with the rails. the local lumber store has dropped off boards of varying lengths; Farmer John must create as much of the rails he needs from the su

As a good programmer, you should be clear about the benefits of the Ruby on Rails development framework. Here we will introduce some tips for installing Ruby on Rails locally. Many documents describe how to use the gem (one-click Ruby installer is already included, and you can use the gem after installation) for Remote Installation. If the network is poor, the installation will fail. I can see an article on

When we use rails generate scaffold to generate MVC, rails will automatically generate a series of files for us, including how to display the Model View in JSON. By default, your system is a crud system, but we know that restful is not a crud system. Exposing the model directly is not a good choice. Rabl is a DSL that allows you to easily customize the display information of the generated object GEM: https

I want to learn more about MongoDB recently, but I used Ror a long time ago, and I just had a chance to pick it up again. The following is the process of creating the first project. References: 1. rails 3-getting started 2. MongoDB and MongoDB mapper (you may need to flip the wall) 3. Getting started with Vmware cloudfoundry, MongoDB and rails (may need to go through the wall) I. CreateProgramFram

1, Cloud development environment, CLOUD9 (https://ide.c9.io/). The development environment is pre-installed with most of the software required for rails development, including Ruby, RubyGems, and git, and requires you to install rails yourself.(1) Installing rails: $gem Install rails-v 4.1.6(2) Create project: $

1. Goal: Mastering MVC and Rest, generators, migrations, routes, embedded RubyThis book deals with the Rails,ruby language, the test framework (minitest) that rails uses by default, the Unix command line, HTML,CSS, a small amount of javascript, and a bit of SQL.2. Demo Application:Hello_app (v. 1.3)Toy_app (2nd Chapter)Sample_app (chapters 3rd through 12th)3. The key to the success of Ruby on

The native Nginx server does not meet the requirements of rails deployment and therefore requires the use of passenger-rewritten nginx. Ps: Rails accepts the requested model as a process that processes a request, a single process is less efficient, and typically requires multiple processes to be opened Passenger is the Rails app servic

Ruby on Rails is famous for its elegant MVC Architecture, which is so attractive and beautiful, while CakePHP is one of the common frameworks in PHP development. If you don't want to be bound to the traditional PHP brick-and-mortar development, you can try to switch to the MVC Architecture, but the performance and deployment problems of Rails have been worrying. The topics of comparison between the two have

Realize Patient Information xform Brief introduction Part 1th of this article series designs a WEB application that allows patients to enter information in a doctor's office. discussed how to create such an application using XForms, DB2 PureXML, and Ruby on Rails, and experimented with the use of these technologies. This is the 2nd part of the article, and we're starting to implement the application. We'll design the first XForm and build Ruby on

File Upload (filecolumn) Web page: http://www.kanthak.net/opensource/file_column/ Installation: Http://opensvn.csie.org/rails_file_column/plugins/file_column Theme Support (Theme Support) Installation: Http://mattmccray.com/svn/rails/plugins/theme_support Dynamic tree-type structure (livetree) Web page: http://www.epiphyte.ca/code/live_tree.html Download: Http://www.epiphyte.ca/downloads/live_tree/live_tree-0.1.2.zip Internationalization Plugi

Troubleshoot common performance issues Introduction: ActiveRecord is an excellent persistence framework, but because the framework often hides some of the low-level details, it is easy to generate performance problems. Through this article, we understand some of the most common problems and how to solve them. Ruby on Rails programming often spoils you. This evolving framework frees you from the tedium of other frameworks. You can express your intent

Differences between release and debug: release and debug Description in MSDN:========================================================== ======================================The Visual Studio project has separate configuration for release and debugging versions of the program. As the name suggests, the purpose of generating a debug version is for debugging, and t

[Win32] Implementation of a debugger (a) debug events and Debug loopsZplutorSource: http://www.cnblogs.com/zplutor/This article copyright belongs to the author and the blog Garden altogether, welcome reprint. However, without the author's consent, this statement must be retained, and in the article page obvious location to the original link, otherwise reserves the right to pursue legal responsibility.Object

ArticleDirectory Tools Script (The following two currently have bugs under Win32 and cannot be run) Debugging Configuration Rake Tool script Script/Server-e development | test | switch the production environment. script/generate supports syntax such as admin: Book, easy to create a sub-space script/console provides an IRB that contains the current project environment (note the runtime environment, Dev, test, prod) (The following two currently have bugs under Win32 an

1. Debug comment Print output debugRuby is an interpreted language, a script, and on Linux, scripts cannot be executed in three ways:1. Run the script with the interpreterInterpreter script FileThat is:Ruby script File2. Run the script directlyIn the script file, use the#! Script InterpreterDefine the script interpreter path, then grant the script execute permission, then run directly./script FileCan.3. Run the script inside the interpreter[Email p

Written in front: The first time, write serial Ah, hope to oneself and you reader a little help, understand a little bit rubyonrails development on the situation. Can help a little, that is the reason to insist. ^_^ Encyclopedia of Life: www.eol.org The website is based on ROR, the content is to do interactive Life Encyclopedia Museum, this article mainly introduces, if through this website provides the code, establishes the ROR website, and learns, this website uses some, ror most common tec

Release date: 2011-11-17Updated on: 2011-11-21 Affected Systems:Ruby on Rails 3.xUnaffected system:Ruby on Rails 3.1.2Ruby on Rails 3.0.11Description:--------------------------------------------------------------------------------Bugtraq id: 50722 Ruby on Rails (RoR or Rails