This will render a flash div only if there is a message in flash. Also will set the id to the flash key.

flash[:notice] returns

This is the notice

Well, ruby is actually so flexible that there is no real need to implement the goode olde signals & slots metaphor. But it serves nicely as demonstration of ruby properties, so here we go.

From time to time you may have reasons to override the default find method that ActiveRecord provides. In this example, we'll store a side-copy of the record attributes so that we have some basis for discovering changes to the data.

note: this will not override dynamic finders such as find_by_id

A quick implementation of an encrypter which can't be cracked by frequency analysis.

The decrypter for the simple encrypter I posted earlier - Takes the encrypted text from a text file - "encrypt.txt" which the encrypter automatically writes to.

A simple algorithm to convert decimal numbers to binary; pointless since most languages have an inbuilt function but was used for learning about algorithm design.

Directory Utility for Ruby

By default, migrations will run on the development environment. Here's how you would specify another environment.