Development Category
Focused on coding, languages, and development.
01/14/2012
Rails: TypeError: nil can't be coerced into Float
by Frank Rietta
In Rails, whinny nil exceptions are a real pain. I like to use to_f when computing float values because nil.to_f is 0.0.
01/02/2012
Integrate Blog Content with your Rails 3 Website with Pure Ruby Code and RSS
by Frank Rietta
12/21/2011
Conditionally Including Resources on SSL or non-SSL to Avoid Mixed Content Security Warnings in Ruby on Rails
by Frank Rietta
When building content that can be delivered on an encrypted HTTPS connection it is necessary to reference all of the embedded resources, 3rd party badge images, embedded YouTube videos, etc, from an HTTPS url. Otherwise a mixed content error will imply to your users that the website is not safe, ouch!
05/16/2005
A Little Huffman Coding with Java Tricks
by Frank Rietta
Explore Huffman coding in Java: a binary tree method for efficient message encoding, crucial for data compression algorithms like JPEG and ZIP.