rails helpers

Label:This article focuses on how to create a new rails project with MySQL as a database and a solution for errors in the processA. Create a new Rails project with MySQL database:$ rails New weibo-d MySQLSecond, found an error, check the terminal errors are as follows:Gem::ext::builderror:error:failed to build gem native extension. Gem files would remain installe

Ruby on Rails Remote Code Execution Vulnerability Analysis in CVE-2016-0752) If your application uses a dynamic rendering path (such as render params [: id]), unfortunately, this application currently has a remote code execution vulnerability caused by local file inclusion, please quickly update your Rails to the latest version or refactor your controller.In this article, we will demonstrate how attackers c

It seems to be another technical trend ~ Let's see if it can be pushed ~ Please note .... Can a single-person force and a mantra of "Simplicity first" enable the development of Web applications? David Heinemeier Hansson, a Copenhagen resident on November 26, has created a framework to help Web developers increase their productivity. In addition, he has developed a set of tools based on the original design. Hansson's example is "Ruby on Rails" (RoR),

1.1 link_to General format: Link_to "XXXX", {hash}, {hash}The first is the link text, the second hash is the same as url_for, and the third hash is the tag added by the user in Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Link_to " Issues " , {: Controller => " Issue " ,: Action => " Index " },{: Title => " Issues " } %> Link_to_unless_current automatically identifies the current

Ruby on Rails is a complete framework for developing database-driven network applications. Recently, the latest version of Ruby on Rails 3.0 RC has been officially released and is available for download. The blog of the Ruby on Rails development team also revealed that the development of Ruby on Rails 3.0 will be accel

This part is about the model M in MVC.ActiveRecord is the core component of the database operation of rails, using the standard ORM model, mapping the tables of the database to the appropriate classes, matching the row records to the specific instance objects, and the fields corresponding to the properties of the instance objects.The ORM model is the high-level encapsulation of the database, which allows us to manipulate the database without using com

How to configure Ruby on Rails in ubuntu10.04 [from other blogs, refer to the first two webpages] Http://www.baoyalv.info/blog/panjj/Rails/2010/05/01/76 (basic steps) Http://hi.baidu.com/%BA%C3%BA%C3%BC%D3%BC%D3%D3%CD/blog/item/4357193da3dda20bbaa167f9.html (basic steps, database) /* Note: One of the most important steps is to install ruby-full instead of Ruby. Otherwise, the package is missing and re

Next, let's get started with Ruby on Rails (ROR ).First, we need to quickly configure the development environment of Ruby on Rails.1. Download InstantRails-2.0-win.zipCan go to official download, http://rubyforge.org/frs? Group_id = 904You can also go to/download/tools/InstantRails-2.0-win.zip to change/Download/tools/InstantRails-2.0-win.7z downloading2. After downloading, decompress the package.If you dow

Ubuntu14.04 use rails to connect to the mysql database and ubuntu14.04rails 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

1. prerequesite assume that you have installed jruby and JDK 1.7 is preferred. 2. Install rails to install rails4.0.0: C:\>jruby -S gem install rails -V View the installed rails version: C:\>jruby -S rails -vRails 4.0.0 3. Create a new rails apps C:\>jruby -S

Ruby on Rails on mac====================================================================================http:// Morizyun.github.io/blog/marvericks-rails-setup-ruby-rvm-msyql/for general:useful:http://qiita.com/keneo/items/ 0a58b188183b5100e3affor mysql:http://qiita.com/hkusu/items/cda3e8461e7a46ecf25dhttp://dev.classmethod.jp/ SERVER-SIDE/LANGUAGE/BUILD-RUBY-ENVIRONMENT-BY-RBENV/1. Install homebrew $ RUBY-E

With the page cache, Rails can no longer intervene. In a way, that's a good thing, because you can really get good performance. Rails simply creates an HTML page, puts it in a directory, and after that, it can be placed behind your head. From then on, the application server manages the pages and the pages go into the application server without any loops. From a performance perspective, page caching is a god

Since The original tech preview release of FastCGI last year, we ' ve been seeing a lot of requests for getting Ruby on Rail s running with our FastCGI. Theoretically, since the FastCGI component uses a standard protocol to support fastcgi-enabled applications, this shouldnt Be a issue-but, in practice, this is very far from reality. After factoring in Setup problems, configuration, and variations on runtime Behavior/protocol deviations, every single F astcgi application we ' ve looked at have r

Reference data:ForRuby on RailsIf you are not clear about it, you can refer to the following link information.Ruby on RailsInformation. Ruby: A pure Oo Script Language ..Ruby on Rails: Quick Building Web Of MVC Architecture Framework Description : Integrated Environment : Instant rails Yes Windows Environment, integrated Ruby, rails, Ap

Recently, organization leaders deployed a task to develop the user self-service system. This task was completed independently by only one of me-Haha, a wonderful job. It happened that the landlord was recently confused by the wonderful features of Ruby, so he put it into the arms of Ruby on Rails without hesitation. However, in the process of system development, the leaders made new instructions to interact with the ruijie Sam system. MB! What should

As said in the book "where is the genius", many so-called geniuses are obtained through repeated deliberate exercises. When your exercise time reaches 10000 hours, you will become an expert in this field. I recently learned how to implement restful Web Service in rails. I want to design an exercise template for myself and perform the exercises repeatedly. The development process adopts TDD for development. Exercise Background: We have three domain o

Before you start About this tutorial Ruby on Rails (rails) is a full-stack WEB application framework written in Ruby, and Ruby is a rich, free, extensible, portable, object-oriented scripting language. Rails is very popular among WEB application developers. With it, you can quickly and efficiently develop Web applications and deploy them to any web container, s

How to quickly and correctly install Ruby, Rails to run the environment For new entry-level developers, how to install Ruby, Ruby Gems and Rails running environments can be a problem, and this page focuses on how to quickly install a ruby development environment with a plausible path.The secondary installation method also applies to the product environment! System Requirementsfirst determine the operating

Introduction to Ruby and Rails Ruby is an object-oriented, dynamic scripting language. Its syntax is flexible and provides a rich library of classes. Therefore, the efficiency of writing programs in Ruby is very high. Although Ruby was very early (born in Japan in 1993), Ruby has always lacked English documentation and Ruby was not very good at web development. So before 2000, Ruby was only popular in Japan. But all this was broken by

Do you need to install and deploy Rails to a new Web Server frequently? Are you still experiencing the annoying installation process from installing RubyRubygemsMySQL... to installing the WebServer component? Now you can use this script to deploy the Ruby1.8 + Rails + Passenger + Nginx environment on the javastuserver :#! /Bin/shecho "=== YT Do you need to install and deploy