how to debug rails

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2--windows: RubyMine + Ruby on Rails + MySQL build development environment

Recently took over a mobile phone project. In the process of setting up the environment, some problems have been encountered, recorded in the following, and a personal solution.Development environment Win2003; JetBrains RubyMine6.3.31, download the latest version of Ruby, (Rubyinstaller-2.0.0-p598.exe, the latest version)Official website:http://rubyinstaller.org/downloads/2. Install RubyDouble-click Install, the installation process appears the following interface.Here we choose the installation

Install Rails to develop the environment

Install Rails to develop the environment Give someone a program, your frustrate them for a day; Teach them how to program, you frustrate them for a lifetime. -David Leinweber Https://ihower.tw/rails4/installation.html In this chapter, we will introduce how to install Ruby on rails in the development environment. Developing the rails environment

Open source framework Ruby on Rails success mystery

In the past few years, the open source Web development Framework Ruby on Rails has created a small upsurge in the web world. Like many things in the software world, its role is somewhat exaggerated. Nothing is as magical as what people advertise it. But rails is at least as close to this altitude as it is, so it's worth studying for. Not long ago, people were asking whether

Setup Ubuntu for Ruby on Rails Developement

This is to setup a developement environment for Ruby 1.87 and rails 2.2.3 on Ubuntu 10.04 (LUCID ).[Sourcecode Language = "bash"]# Make sure Ubuntu is up to date$ Sudo apt-Get update$ Sudo apt-Get dist-Upgrade# Install Ruby$ Sudo apt-Get install ruby1.8-dev ruby1.8 ri1.8 rdoc1.8 irb1.8 libreadline-ruby1.8 libruby1.8 libopenssl-Ruby rubygems1.8# Install sqlite3$ Sudo apt-Get install sqlite3 libsqlite3-ruby1.8 libsqlite3-dev# Install

Gemfile Content for Rails 2.3.8

' #ASSETS Gem "Rails2_asset_pipeline" #rails Server Gem ' momentarily ' Group:d Evelopment Do Gem ' Ruby-debug-base ' Gem ' Ruby-debug-ide ' Gem ' structured_warnings ' Gem ' annotate ' Gem ' brakeman ',: Require = False Gem "Sass" Gem "Sprockets-sass" End Gem ' better_errors ', ' 0.0.8 ' Gem ' Connection_pool ', ' 0.9.3 ' Gem ' hitimes ', ' 1.2.2 ' Gem

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 Ruby development environment using a reliable path.The i

Ruby on Rails website project construction simple guide, rubyrails

Ruby on Rails website project construction simple guide, rubyrails Create a Rails Project To create a common Rails project, run the following command: rails new blog However, in China, because it is too slow to connect to RubyGems, Rails downloads and installs dependency pac

Under Windows: RubyMine + Ruby on Rails build development environment

Recently took over a mobile phone project. In the process of setting up the environment, some problems have been encountered, recorded in the following, and a personal solution.Development environment Win2003; JetBrains RubyMine6.3.31, download the latest version of Ruby, (Rubyinstaller-2.0.0-p598.exe, the latest version)Official website:http://rubyinstaller.org/downloads/2. Install RubyDouble-click Install, the installation process appears the following interface.Here we choose the installation

Ubuntu14.04 use Rails to connect to the MySQL database

Rails comes with sqlite3 in all aspects, but the free version lacks a fatal function: Add a password! Although the third party has a compiled binary version of the encrypted version, let's not go to mysql first. it is very easy to install mysql In Ubuntu. I will not talk about it first. I will first talk about how to change rails to the mysql driver and use the following command: railsnewxxx-dmysql because

Translation Rails::railtie

Original: http://api.rubyonrails.org/classes/Rails/Railtie.htmlRailtie is the core of the rails framework and provides several hooks to extend or modify the boot process of rails. Each major component of Rails is a railtie, such as Action Mailer, action Controller, action View and Active Record.Each of them is responsi

Ruby on Rails development practice command reference

1.1.rails 1.1 create a rails Application Program $ Rails app_name Optional: -D, database = xxx specifies to install a database (MySQL Oracle PostgreSQL sqlite2 sqlite3), which is a database by default -R, ruby-Path = specifies the ruby installation path. If not, scripts uses env to find Ruby. -F, freeze (freeze) freezes ra

Ruby on Rails Summary (i)

Environment Related: First, the order: 1. Update the installed version of rails: Gem update rails 2, after the updated version of Rails automatically save the previous version of the file upgrade, using the Gem Cleanup command to delete these files 3. After installing the latest version of Rails, use the rake rails:upd

Deploy JRuby on Rails-developed applications to Tomcat

Environment DescriptionWindows XP jdk 6u12 JRuby 1.2.0 rails 2.2.2 NetBeans 6.5.1 Tomcat 5.5 MySQL 5 upgrade to JRuby 1.2.0 The JRuby version is not NetBeans's 1.1.4 because the Rails 2.2.2 need a gem version of 1.3, and JRuby 1.1.4 has a gem version of 1.2, although my first article described how to upgrade the JRuby gem version, But in the deployment is always unsuccessful, the system still think gem ver

Ruby on Rails installation (Win8 64-bit)

time the installation of the E:\Program Files\bla bla ... In such a directory, the following installation of rails will appear similarto the "'E:program is not an internal or external command such errors, and later found that there may be folders in the directory there are spaces can not identify." Finally installed directly in the root directory is good ~ Enter Ruby-v at the end of the command line to test:

How to install and configure ruby on rails + apache + mysql in centos

The customer's server is Ubuntu + apache2 + ruby on rails. Currently, some pages on the customer's server always report the 500 error. The ruby language is only known and has not been studied in depth. I have never set up a ruby server environment, and it is strange that the customer uses ubuntu as the server. After installing ruby on rails on CentOS, I understand.Preface: problems after yum is inst

Ruby on Rails command Overview

I. Railway 1.1 create a rails Application Program $ Rails app_name Optional: -D, database = xxx specifies to install a database (MySQL Oracle PostgreSQL sqlite2 sqlite3), which is a database by default -R, ruby-Path = specifies the ruby installation path. If no path is specified, SCR javaspts uses env to find Ruby. -F, freeze (freeze) freezes rails in the vendo

Ruby1.9.2 on rails 3.0 Installation Summary (continuous update)

I only have windows and MacOS, so I can only write the installation information for these two versions. All the steps below ensure that the installation is successful on the instance. Windows version: 1. ruby installation, version 1.9.2-p0 : Http://rubyforge.org/frs/download.php/72170/rubyinstaller-1.9.2-p0.exe Reference page: Http://rubyinstaller.org/downloads/ 2. rails Installation Gem install rails-no-

How to optimize ActiveRecord in Ruby on Rails _ruby topics

Ruby on Rails programming often spoils you. This evolving framework frees you from the tedium of other frameworks. You can express your intent with a few lines of code that you are accustomed to. You can also use ActiveRecord. For an old Java like me? Programmers, ActiveRecord is a little rusty. Through the Java framework, I usually build a mapping between independent models and schemas. A framework like this is the mapping framework. With ActiveReco

Using JRuby on Rails and XML to enhance AJAX through a Java application server

The Ruby on Rails framework provides some very handy XML features that make it easier to use database data for development and to provide XML-formatted database data for JavaScript applications. JavaScript also has built-in XML parsing capabilities, so it is easy to receive and parse XML-formatted data. But what if you want to access a Java™ application without deploying an additional server? This is JRuby's job. JRuby on

Ruby on Rails Web site project build simple guide _ruby topics

Create Rails Project To create a normal Rails project, you can use the following command directly: Rails New Blog But in the country because the speed of connection RubyGems is too slow, and Rails by default after building the project structure, will use the bundle command to download the installation de

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