Getting started with image processing in Ruby on Rails, rubyrails
Images can be said to be a vital part of any application. From social networks to a simple Bug tracker, images play an important role. However, managing images is not an easy task. It takes a lot of time and effort to plan images in advance.
This article demonstrates how to achieve this in Rail. How to process your images and create multiple
Release date:Updated on:
Affected Systems:Ruby on Rails 3.xUnaffected system:Ruby on Rails 3.0.4Description:--------------------------------------------------------------------------------Bugtraq id: 46292Cve id: CVE-2011-0448, CVE-2011-0449
Ruby on Rails (RoR or Rails) is
Action View: Helpers
AssetsAndAjax
RESTfulAnd table ticket Design
Multi-country regions and zones
ActionMailer: EmailSending and receiving
ActiveSupportTool correspondence Handler
RailsTips
RailsSuspected zookeeper
User Authentication
Zookeeper
Performance and Cache
Network Security
Website website
Non-synchronous processing
RailsProgram Best Practices
Appendix
Development Environment Security
GitVersion Control System Basis
RailsCase Study
(: starting_worker_process) Do | forked | extends Mapper. Connection. Connect if forked endend
4. Create a mongo. Rake file under the lib directory (not used in this article)
Namespace: DB do namespace: test do task: Prepare do # Stub Out for MongoDB end endend
After completing the preceding steps, start the program:
$ Rails server ** notice: C extension not loaded. this is required for optimum MongoDB Rub
For newcomers to a new technology and language, building a learning environment is always a difficult topic, especially in the domestic network, the difficulty is greatly increased.After about more than 10 hours of hard fighting, I finally build a successful ruby+rails+mysql environment in Win7, this article does not have detailed steps, tossing the time did not leisurely blog, at the same time do not want
Ruby on Rails is a ruby-based Web development framework that follows the MVC pattern. Using ROR will give you a faster and more rapid web development experience. Compared to Java EE, the framework makes web development faster and more efficient and more agile. With less gossip, you'll see the great charm of the framework behind this series.This article describes
Zhou haihan 2010.7.12
Ubuntu 10.04 has the following problems when installing Ruby and rails:
'Require ': no such file to load -- mkmf (loaderror)
Installation Process:
Install ruby1.9.1
Zhouhh @ zhh64 :~ $ Sudo apt-Get install ruby1.9.1-full
Zhouhh @ zhh64 :~ $ Sudo apt-Get install rubygems1.9.1GEM is Ruby's automatic packaging and Installation tool.
Install MySQL server and client
Zhouhh @ zhh64 :~ $
Because the system was reinstalled, we tried to use rvm to install and manage Ruby and rails and record the installation process.
Install curl first
Shell code
$ Sudo apt-Get install curl
Because the rvm Installation File is obtained from GitHub through git, a local git is also required. I installed it through build, you can also install the SDK directly from APT using the following command.
Shell co
Development machine: Win7 flagship-64-bit1, install ruby, download Rubyinstaller-2.0.0-p451.exe: http://rubyinstaller.org/downloads/1.1 Select the installation directory: (for example: D:\Ruby200)1.2 During installation: All options need to be checked (install plugin, execute RB extension file) Ruby-v Display version number indicates normalGem-v2, install Devkit, download Devkit-mingw64-32-4.7.2-20130224
1. Install Ruby, rails, mongrel, and apache2.2 download one-click Ruby install from the rubyforge website and run the installation program. Then Ruby and rubygems are installed. Run the command: Gem install rails-ygem install mongrel-ygem install mongrel_service-y. After
Release date:Updated on: 2013-01-31
Affected Systems:Ruby on Rails 3.xRuby on Rails 2.xDescription:--------------------------------------------------------------------------------Bugtraq id: 57575CVE (CAN) ID: CVE-2013-0333Ruby on Rails (RoR or Rails) is an open-source Web application framework written in
Description: User resources include user data models and Web pages related to this model.1. The user data model is as follows:2. Using rails built-in scaffolding to generate user resources, execute the following command:$ rails Generate scaffold User name:string email:string #创建模型$ rails Destroy Scaffold User #销毁模型$ bundle EXEC Rake db:migrate #用Rake来迁移数据库, in or
First, we will introduce the environment I use. My Linux is installed on a virtual machine, VMwareWorkstation5.5, and the installation is Fedora8. The iso file of Fedora contains the ruby rpm package, but the rpm package that comes with it cannot meet our needs for installing Rails. Therefore, we need to download the rubybench installation package at http://www.ruby-lang.org/en/. the download is the 1.8.6so
This article is original. Reprinted Please note:
Author: Utensil
Blog: http://blog.csdn.net/utensil/
Email: utensilcandel@gmail.com
In the past two days, the previous blog website based on XML and PHP has been transplanted to MySQL and ror to overcome two major difficulties in learning ror:
One is that most of the materials currently talk about the practices in rails 1.x, because 2.x interrupts a lot of backward compatibility (especially the dynamic
First, the use ofpassenger-install-nginx-module Installation:Install Passenger:gem installed passenger first, and if you do not have permission, add sudo to the front.Because nginx dynamic module loading is not supported, it is used passenger to compile and install the passenger modifiednginxInstalling Nginx with passenger: passenger-install-nginx-module 按照提示,一步步安装。 In the Nginx configuration file (by default in the/opt/nginx/conf/directory), you can see the following configuration: At this p
Liberate RoR: Let Activescaffold to manage data entry page
Introduction: Save some time, less headaches, use the Ruby on Rails activescaffold plug-in can create pages that are easier to maintain. Activescaffold can handle all the CRUD (create, read, update, and delete) operations required by the user interface, which saves you more time to focus on more challenging (and more interesting) issues.
Writing a
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 rai
this directory. 3, cmd into the Windows command operation, enter the Devkit folder, do the following:CMD Run command line > CD DEVKIT> Ruby DK.RB Review > Ruby dk.rb Install [INFO] Updating convenience Notice gem override for ' c:/ruby192 ' [info] installing ' c:/ruby192/lib /ruby/site_ruby/devkit.rb 'Two: Install Rails1. Using Remote Installation Railscmd int
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