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Rails vs Django vs Play: Battle of frameworks

rails-vs-django-vs-play

This post is a review of those three frameworks considering four criteria: Ease of learning, Speed of development, Tools/Plugins, and Community.

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Technology

Setting up your Rails environment from scratch

original photo: goo.gl/QE43FV
original photo: goo.gl/QE43FV

This is a complete yet summarized guide to set up a Ruby on Rails development environment on Linux.

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Technology

Ruby on Rails: an overview on why it’s so good

www.tryruby.org
]1 www.tryruby.org

I was in denial for a while but now I get why Rails is so good.

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Upgrading your Play app to a newer version

let's-play-2

Let’s assume you have an existing app using Play! 2.1.A and a 2.1.B version was released. You want to update your environment to use that new release. Note: This tutorial was tested to be working with 2.1.* versions; A and B are two arbitrary numbers.

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Running and debugging your Play app

let's-play-3

Running locally

  • play run will start the local (Netty) server and your app will be available at localhost:9000.
  • play ~run will start the local server and reload it automatically every time you change a file of you app, that way you don’t need to hit refresh (F5) on your browser.
  • Useful tip: If you don’t want to have to worry about applying evolutions each time you restart Play, add applyEvolutions.your_database_name=true to your application.conf file. For instance, considering the default database, you should add applyEvolutions.default=true.

Debugging using Eclipse

  1. First you must start the Play! app in debug mode by executing the command play debug run.
  2. On Eclipse add your breakpoints as you would normally do.
  3. Then go to Run > Debug Configurations... and double-click Remote Java Application. This will add a new configuration.
  4. On Connect tab, find Connection properties and change Port to 9999.
  5. On Common tab, check Debug so that it later appears below the Debug icon. Click Apply. Click Debug.

That’s it! Check this video for a live explanation.