ruby on rails for loop

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Ruby on Rails New project does not use database, configuration process logging

Label: Queried the experience of the great God Http://stackoverflow.com/questions/19078044/disable-activerecord-for-rails-4 Http://stackoverflow.com/questions/821251/how-to-configure-ruby-on-rails-with-no-database The one I liked the most was the way I used it. If you is creating a new application, you can use-O to skip activerecord:rails new My_app-O for existin

Why should we migrate from NodeJS to Ruby on Rails?

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

Why should we migrate from nodejs to Ruby on Rails?

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

Submit HTTP GET and HTTP POST requests using the Android client to the WEB application built on the Ruby on Rails

Recently wanted to get an Android app that has access to the Internet, because it's fast so it uses Ruby on Rails to provide HTTP resources. This information is still relatively small, so the attempt to record the process.1 building Web application with Ruby on Rails1.1 New Web ApplicationCD Test1.2 Generate productRails Generate Scaffold Product reference:string

Ruby on Rails

Ruby on Rails is a Web application that enables you to develop, deploy, and maintain ProgramA simple framework. Of course, all web frameworks share the same goal. What makes rails so different? We can answer this question in several ways. First, look at the architecture. In the past, many developers used the MVC Architecture in rigorous web applications. The

CentOS Configuring Ruby on Rails Environment _ruby topics

://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p0.tar.gz Tar xzvf ruby-1.9.3-p0.tar.gz CD ruby-1.9.3-p0 ./configure--prefix=/usr/local--enable-shared--disable-install-doc--with-opt-dir=/usr/local/lib Make Make install Vi. Upgrading the Gem and installing Rai

Build Ruby on Rails development environment on Mac OS X

This article is where I read Hugh wrote "Build Ruby on Rails development environment on Mac OS X", followed his steps and sorted it out. The content is basically consistent, adding some graphs. If you want to see the original content, look at the Hugh blog here. To install Ruby on Rails on a Mac, you first have to inst

Ruby Basic teaching Rails performance optimization

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

[Ruby on Rails] and I learned to show the specified data

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

Build a typical Ruby on Rails Web site (ii)

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

Ruby on rails gem install pg cannot be installed, rubyrails

Ruby on rails gem install pg cannot be installed, rubyrails gem install pg -v '0.18.2'Building native extensions. This could take a while...ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext/Users/bevan/.rvm/rubies/ruby

Configure Ruby on Rails in CentOS and deploy Redmine

Configure Ruby on Rails in CentOS and deploy RedmineGitMake sure that the dependent packages are installed:[Plain] view plaincopy Yuminstallcurl Yuminstallcurl-devel Yuminstallzlib-devel Yuminstallopenssl-devel Yuminstallperl Yuminstallcpio Yuminstallexpat-devel Yuminstallgettext-devel Download the git package and compile and install it: [Plain] view plaincopy Wgethttp: // www.codemonkey.org. u

Fantastic Ruby on Rails development tools plus download

Recently, many people have emailed me all the vim packages. Download is provided below. You just need to download them. You don't have to send me any more emails. Of course, you are welcome to leave a message on my blog. Now vim-Ruby is installed. Of course, you need to install it yourself. A simple command is provided below Ubuntu:Sudo apt-Get install vim-RubyHowever, it seems that if your vim version is 7.0, Ru

Ruby on rails Development (windows) (35)-Log)

Rails has a built-in Log function, or, more accurately, Rails exposes the Logger object, which can be used in all Rails programs. Logger is a simple Log framework transplanted from ruby (you can type ri Logger in the ruby command line to view the documentation of the stand

Ruby on Rails Foundation new project _ruby topics

Ruby on Rails directory structure + app/#控制器, model, view, help method, mail, static resource + bin/#rails脚本 + config/#路由, database + db/ #数据库模式, migration file + lib/ # Expansion Module + log/ #日志 + public/#公共资源 + test/ #单元测试 -config.ru #Rack服务器的程序设置, for starting programs - Gemfile,gemfile.lock #指定Gem依赖, for bundler gem -Rakefile #保存并加载可在命令行中执行的任务, ad

Ruby on Rails activity record overview

Writing a database management system with Ruby on Rails is very fast. Ruby on Rails has such a high productivity, not only is Ruby's syntax flexible, but it's all a big program thanks to activity records (active record). So what is an activity record? If you explain it in one sentence, it's a framework that maps data t

Ubuntu Nginx Ruby, Rails Mysql installation

1. Nginx Installationsudo apt-get install Nginx2. Ruby Installationsudo apt-get install RubyView version Ruby-v3. Rails Installationsudo apt-get install RailsView version Rails-v4. MYSQL InstallationSUDP apt-get Install Mysql-server myusql-clientLog in to MySQLMysql-uroot-pCheck the port occupied by the MySQL serverNET

Using Ajax in Ruby on Rails

Tutorial Requirements The following techniques and resources are required to learn this tutorial: Database server NetBeans IDE 6.0 with Ruby support To create a sample database This tutorial builds the relationship between the Rails model based on another tutorial. If you have completed that tutorial, you can start with the project that was generated when you completed the tutorial and go directly to t

Ruby on Rails environment to build MySQL database connection

D:ror directory (the directory is built by me, the reader can freely )Install MySQL for Ruby driver, command line type: Gem install Mysql-2.8.1.gem6. Go to http://download.csdn.net/detail/luoyeyilin/3614807 download Instantrails-2.0-win.zip extract, search under mysql.so,80k size file Copy the mysql.so to the C:\RUBY\LIB\RUBY\SITE_RUBY\1.8\I386-MSVCRT.You can th

Ruby-Flex practice-use swfobject to implement parameters passing through rails and flex

Development Environment: OS: Windows XP RUBY: ruby1.9.1 Rails: rails2.3.5 IDE: rubymine2.0.1 Flash builder: Flash builder4 Background: In ruby-Flex practice-using swfobject to load SWF in a ruby project describes how to reference SWF on the rails interface. This example des

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