JRuby Rails Web Application Development - download pdf or read online

By Deepak Vohra

ISBN-10: 3319039334

ISBN-13: 9783319039336

This SpringerBrief explains how you can create a Rails net program with JRuby, a a hundred% Java implementation for Ruby. This short demonstrates how Oracle® WebLogic servers and JBoss® program servers installation the JRuby program, how JRuby runs at the Java® digital desktop, and the way JRuby is the foundation for well known web pages together with LinkedIn, Oracle combine, and Mingle. The Oracle® database and Oracle® MySQL database are used because the foundation for the JRuby Rails software. Chapters additionally disguise allowing Flash, constructing the JRuby program utilizing Ruby syntax, and deploying functions via Java EE struggle. Hands-on and functional, this SpringerBrief is designed for internet builders and researchers drawn to JRuby. it's also an invaluable advisor for advanced-level scholars attracted to making a new internet software.

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This SpringerBrief explains the right way to create a Rails internet software with JRuby, a a hundred% Java implementation for Ruby. This short demonstrates how Oracle® WebLogic servers and JBoss® software servers set up the JRuby program, how JRuby runs at the Java® digital computing device, and the way JRuby is the foundation for renowned web content together with LinkedIn, Oracle combine, and Mingle.

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Please install the adapter: `gem install activerecord-adapter` (Exception loading extension `active_record. yml before running a rake task. development: adapter: jdbc The adapter parameter is required to load the activerecord-jdbcadapter adapter, which is required for ActiveRecord JDBC. yml. If the driver and url parameters are not specified the following error gets generated when the rake tasks are run. rake db:create rake aborted! yml before running a rake task. OracleDriver url: jdbc:oracle:thin:@localhost:1521:XE The jdbc adapter requires the driver and url parameters to establish a connection with the Oracle™ database.

A catalog entry gets created and a flash message gets displayed to indicate the same as shown in Fig. 7. Click on Back to navigate to the index page. The new catalog entry is shown in the listing of catalogs. Click on Show to display a catalog entry as shown in Fig. 8. The catalog entry gets displayed. Click on Back to navigate back to the index page. Click on Edit to edit a catalog entry. Modify the fields to be updated and click on Update Catalog as shown in Fig. 9. 2 Running the JRuby Web Application 43 Fig.

6. Before deploying the Rails application to Oracle™ WebLogic Server or JBoss™ application server we need to precompile the assets. It is recommended to precompile assets using the rake task. rb. digest = false Run the rake task to precompile assets. rake assets:precompile The assets get precompiled as shown in the output from the rake command in Fig. 1. By default the assets get compiled into the public/assets folder, and shown in Fig. 2. Fig. 1 Precompiling assets Fig. rb. digest = true The rake command to precompile assets compiles and merges the CSS stylesheets and JavaScript files.

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JRuby Rails Web Application Development by Deepak Vohra


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