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Validating URL/URI in Ruby on Rails

over 5 years ago by Ilya Grigorik on igvita.com.
Wouldn’t it be nice if you could validate the format and the existence of a URI/URL provided by the users in your Rails application? Well, I thought...

Faster Pagination in Rails

over 5 years ago by Ilya Grigorik on igvita.com.
Pagination in Rails has recently surfaced as a hot topic thanks to Kevin Clark’s “Thing’s you shouldn’t be doing in Rails“...

Using Helpers instead of Components

over 5 years ago by Ilya Grigorik on igvita.com.
According to DHH, components just like default pagination is also a bad idea. Now, it really makes you wonder as to why this stuff makes it into the Rails...

Eager Find by SQL Pagination in Rails

over 5 years ago by Ilya Grigorik on igvita.com.
Eager loaded find_by_sql pagination in Rails how-to....

Graphics World 6 - Release Candidate 1

over 5 years ago by Ilya Grigorik on igvita.com.
*Drum roll* It’s here! I froze my development tree and henceforth this day shall be known as the day of  first production version of Graphics World...

Securing your Rails environment

over 5 years ago by Ilya Grigorik on igvita.com.
First off, I’m happy to report that Graphics World (http://www.graphics-world.com) is now live and rolling smoothly on a Rails/Apache/Mongrel stack...

Loading Netflix Dataset into SQL

~5 years ago by Ilya Grigorik on igvita.com.
Here is a couple of quick Ruby scripts I wrote to load the Netflix dataset into SQL. It may not be the most elegant solution, but it works. So first of...

Adding Social Bookmarks in Rails

over 5 years ago by Ilya Grigorik on igvita.com.
Thinking of adding some social bookmarklets to your Rails project? Well, you should! It’s a great way to drive traffic to your site and get that extra...

Ruby Screen-Scraper in 60 Seconds

~5 years ago by Ilya Grigorik on igvita.com.
I often find myself trying to automate content extraction from a saved HTML file or a remote server. I’ve tried a number of approaches over the years...

Dissecting the Netflix dataset

over 5 years ago by Ilya Grigorik on igvita.com.
In case you haven’t heard, Netflix announced a public competition ($1 million prize) for a general purpose machine learning algorithm to predict movie...