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Plotting Points on a Map from Scratch

#86 Jun 25, 2017 free

Using the Google Maps Javascript API, learn how to plot markers onto a map. Load markers and info windows through AJAX calls to your Rails JSON API.

rails javascript api maps view ajax

Working with Subdomains

#85 Jun 18, 2017 free

Learn to create a multi-tenant application where access to tenants are determined by the subdomain.

rails multitenancy

Geocoding, Places and Maps

#84 Jun 11, 2017 free

Using the Geocoder gem and Google APIs, learn how to add some geolocation functionality to your application.

rails javascript api maps

Autocomplete with HTML Results

#83 Jun 4, 2017 free

Working with an autocomplete can be very simple. However, things get complicated when you try to use HTML markup in the displayed results. Learn how to use HTML markup within your autocomplete results!

rails view form javascript

DataTables

#82 May 29, 2017 free

The DataTables Javascript library creates a powerful display of your application's data. Some of the features include pagination, server side processing, sorting and search.

rails javascript tables view

Bootstrap Framework and Ruby on Rails

#81 May 21, 2017 free

Using Bootstrap in your application has become much more simple. Also learn to create some helper methods to make working with Bootstrap much easier.

rails view css

Routing Partials

#80 May 14, 2017 free

The routes file can grow to be unmaintainable and messy. Learn to keep things organized by extracting out blocks of routes into their own files.

rails routes

Mountable Engines

#79 May 7, 2017 free

Mountable Engines are a great way to extract code into its own namespace and allow the code to be reused in other applications. Other popular gems that are mountable engines are Devise and Doorkeeper.

rails view gem engine

Counter Cache Associations

#78 May 1, 2017 free

When displaying a count of records, this will generate extra SQL Queries. Learn how to reduce the number of SQL queries called with counter caching the number of associated records.

rails model cache

Cropping Images with JCrop

#77 Apr 23, 2017 free

Extend your image upload functionality with JCrop. Learn to redirect the user to a crop page once they have uploaded their image and save versions of the cropped images.

rails form javascript upload

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