heroku ruby on rails

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

You are a veteran. NET programmer, and has built many Web applications with asp.net. Countless sleepless nights, in order to allow the event-driven model in the ASP.net control lifecycle to execute in the way you want, you painstaking and delve into details. You are proficient in using design patterns such as presentation model, Model View presenter to tier your application to make it easier to test and maintain. You think Ruby on

Today I learned about the latest popular Ruby on Rails, feeling like a code generator linking OracleDatabase, I searched for half a day of information. Finally found a way, ^______^. 1. Installation drive http://rubyforge.org/projects/ruby-oci8/ Download and run (double-click) Ruby-oci8-mswin inside the *.RB 2. Change

Error MySQL: Error: Query: not connected: Create Table 'schema _ migrations '('version' varchar (255) not null) engine = InnoDB Solution; Ruby is 1.8.6, rails is 2.2.3, MySQL is 5.1.51 This problem occurs because the libmysql. dll file in MySQL 5.1.3 and later cannot be properly connected to rails. Therefore, you only need to replace an old version of lib

The previous "[Ruby on Rails] and I learned hello World" mentioned that the route corresponding to the file is CONFIG/ROUTES.RBIn fact, we just added a line of code: Resources:p OSTsHowever, this code has multiple default routes, which can be viewed through rake routes, as follows:[Email protected]:/home/ywt/ror_tests/blog# rake routes Prefix Verb URI Pattern controller#action Posts ge

First, the new projectRails new App--skip-bundleModify Gemfile file after completion: Vim GemfileChange source to Taobao or Ruby-china.Add to this file: Gem ' Phantomjs 'Then run: Bundle installSo the project is new and completed.Second, generate PDFCreate a controller to add require ' PHANTOMJS ' to the head and add a get method for getting the PDF: get_pdfAdd the following code to this method:Phantomjs.base_dir = "/path/project_name/bin/phantomjs/"

ActiveRecord programming guide in Ruby on Rails, rubyonrails Avoid modifying the default ActiveRecord (Table Name, primary key, and so on) unless you have a very good reason (such as a database not under your control ).Put the macro-style method before the class definition (has_many, validates, and so on ). Preference has_expect: through is better than has_and_belongs_to_expect. Has_validation: through allo

The following issues have been encountered recently in a ROR Web project: Products can be classified by class navigation browsing, can be divided into three types of a,b,c, three categories under the other categories, at the same time, the base class and its classification can be extended by the user. Horizontally, the main class can be extended by the user, and the user can extend it vertically. Category information Store and Categories table: Id:integer PRIMARY Key Name:string category Nam

Today I learned about the latest popular Ruby on Rails. I feel that it is a code generator linked to Oracle.DatabaseI checked the data for half a day. Finally, I found a solution. ^ ______ ^1. Install the driverHttp://rubyforge.org/projects/ruby-oci8/Download and run (double-click) *. rb in the ruby-oci8-mswin2. Change

Ruby on Rails 'activerecord 'SQL Injection Vulnerability (CVE-2014-3483) Release date:Updated on: Affected Systems:Ruby on RailsDescription:--------------------------------------------------------------------------------Bugtraq id: 68341CVE (CAN) ID: CVE-2014-3483Ruby on Rails (RoR or Rails) is an open-source Web app

Ruby development environment and rails development environment: You only need to install the following plug-ins to implement a powerful Ruby rails development environment that supports syntax highlighting, Automatic completion, and syntax error analysis. Vim Plugin: Pathogen. Vim Https://github.com/tpope/vim-pathogen

Tutorial on Ruby on Rails to implement the most basic user registration and login functions, rubyrails It is very convenient to implement the user registration and login functions in Rails. For example, you can use the Devise class to implement the complete function of the gem extension package. You can also use the has_secure_password that comes with

| format.html Format.json {render json: @alljson} #这里会自动调用to_json end #render Json:lsjson #render JSON: {test: 1} End　　Ruby calls in JSON formatFirst JSON format NOTE:1, after the nodes to follow:, can not have spaces2, nodes, name these places cannot be enclosed in quotation marks, otherwise you cannot use Ruby to convert to JSON format.Simple_json = {nodes: [{name: ' Bob ', Age: ' $ ', awesome: ' true '}

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

This article is not an article about NodeJS and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on NodeJS. I am a big fan of NodeJs. I think this is a very exciting technology and I believe it will become more and mor

Statement: This article is not an article about nodejs and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on nodejs. I am a big fan of nodejs. I think this is a very exciting technology and I believe it will become m

Redis Store is a toolkit designed for Ruby applications that supports fragmentation, master-slave copying, marshalling, and timeouts and namespaces. In addition, it is also very easy to use on the Ruby on Rails.How to use:for using the Redis Store on rails, first we need to add a portal to the Gemfile file Gem ' redis-

In Ruby on Rails(http://www.maiziedu.com/course/ruby-px/) , many rails Programmers often forget to consider performance issues, which can lead to slow website speeds, a spike in memory usage,and frequent reboots ofApache , so you'll need to optimize rails performance. The s

According to "Ruby on Rails" and I learned the route map, we know that can be accessed GET /posts/ :id (. :format ) to display specific objects.1. Modify the actionModify the APP/CONTROLLERS/POSTS_CONTROLLER.RB show this action. Here's a puzzle, what if I get the parameters inside the URL?can be accessed via the params built-in variable! As follows: def show @post = Post.find (Params[:id]) end2. Modify

inheriting the virtual class, and then connect different databases. This is achieved by distributing the models to a different database. In this project, there are two abstract Class model corresponding to the application database, and the log library respectively. These two abstract Class model are: Ruby Code -Speciesschemamodel -Loggingmodel and their corresponding databases can be found in the definition of DATABASE.YML, respectively Java co