AntiSamy is a library to clean user-supplied HTML/CSS. This gem is a port of the anti-samy framework created for OWASP (http://www.owasp.org/index.php/Category:OWASP_AntiSamy_Project) AntiSamy works by using a policy to removed any dangerous input you specify from attributes to tags. Thi...

The Columnal CSS grid system is a “remix” of a couple others with some custom code thrown in. The elastic grid system is borrowed from cssgrid.net, while some code inspiration (and the idea for subcolumns) are taken from 960.gs. Checkout at: http://www.columnal.com/

Atomic Jolt found that we frequently needed to setup courses with users to test. This gem handles that requirement.

To help with keep the bots at bay this gem helps you easily add honeypots to forms and/or obfuscate your form field names

eda-code-downloader is a command line tool that will clone all of the work that you did at Dev Academy. It handles cloning from branches with names like Nick_and_Hannah so you will have both your solo and pairing work. You can also specify master as the branch to download all the challenges for a...

This gem provides DSL for specifying attributes to be included in serailization.

CanCamel allows to manage access levels with all the power of cancan style (saving semantics). It means, that you can use `can?` method anywhere you want to check privileges of a selected user to access something in some way. See readme file at https://github.com/JelF/can_camel/blob/master/READM...

Simple rotating feature adding a data attribute and Ruby methods for customization.

Ruby Gem for any external GTHC tools. At the moment, that is only the Olson Tenting Algorithm

Don't calculate the cached value twice at the same time. Use a backup of the data if the service is down.

A Rails captcha gem that attempts to determine whether or not a user is human.

Super simple caching for Ruby

No longer supported - please use active_attr (https://github.com/cgriego/active_attr)

rbsdl3 is a Ruby binding to SDL3 that links against an SDL dynamic library chosen at runtime.

middleman-aria_current provides a `current_link_to` helper, which wraps the built-in `link_to` helper. It checks the URL of the current visited page and outputs an `aria-current` attribute if it matches the URL in the link.

A Rails validator for immutable attributes.

Combined reader/writer accessors in Ruby, ideal for chaining or DSLs. This is useful for when you want to expose a DSL to an external file (think Rakefile like setup) and want to hide the fact the code is actually running inside a class with a structure.

README This is a text based game with several players. The players have a name and a health and they get points determined by the roll of a die and finding treasure. At the end of the game, all scores are totalized and the highest scores and other data feedback are printed out.

Attempts to scrape the indeed.com jobsearch results (1 page).

Jekyll plugin to generate src attribute for an img tag with the given image, and also the srcset with an appropriate @2x path for the image if one exists on the filesystem.