ruby on rails tutorial learn web development with rails

Realize nurse and Doctor Xform This series of articles describes how to use XForms, ibm®db2®purexml™, and Ruby to simplify the development of WEB applications, divided into four parts, this is the third part. This series of articles will develop a fictional application to manage patient information in the doctor's office. You'll see the power of each technology,

configuration file. You can copy and paste the content of Gist directly. Next, add a Procfile under the root directory of the project so that you can use foreman to start the application. The content is as follows: Copy codeThe Code is as follows: web: bundle exec unicorn-p $ PORT-c./config/unicorn. rb Now run the foreman start command to start the application. Everything will run normally and you will be able to see a running application on http: //

10 essential and useful Ruby on Rails 4 Gems The Ruby on Rails framework is a powerful tool used to develop Web applications. It is equipped with a large number of built-in functions to help accelerate the development of your

/)$ gem sources-lTIPS: I run the gem update--system 3 directly. The website in (1) Download development KIT in order to install some of the rails native extensions, there must be an auxiliary toolkit, this is devkit on the Rubyinstaller official website to download the ruby version of Devkit extracted to a path, cmd into the directory

/download the source code package, uncompress, install: Tar xzvf rubygems-0.9.0.tgzcd/Ruby setup. RB then you can install rails. When you confirm that the server is connected to the Internet, run gem install rails-y to download all the rails dependency packages from the rubyforge website through gem. After installing

Recently looked at Ruby on rails and tried to integrate dynamic WEB Twain into Ruby on Rails. Here's how to do file uploads in rails with a few lines of code. Reference original: How to Load, Scan and Upload Files with

webserver can be accessed outside the container Expose 3000 # Set Environment variables ENV port=3000 # Start Web Application CMD ["Foreman", "Start"] # Install the required gems ADD Gemfile/usr/src/app/gemfile ADD Gemfile.lock/usr/src/app/gemfile.lock RUN Bundle Install--without Development test # Add Rails projects (and dockerfile the same directory)

There is a chance to try rails again, only the original contact is 2, now has become 4, it seems that the installation is now faster than the original. Rails 4 Installation Aimed at installing the RVM Copy Code code as follows: Gem Install Rails If not, it should be: Copy Code code as follows: sudo gem install

through the following code. SESSION[:USER_ID] = @current_user. ID user.find (session[:user_id]) 2.2.session ID SessionID is a 32-byte MD5 hash value. The SessionID consists of a hash value of a random string. The random string includes the current time, the random number between 0-1, the process ID of the Ruby interpreter (also a random number), and a constant string. So far, profiteering attacks on rails