Seems like `content_for`, content_for_once embed the HTML tags(especially, `javascript_include_tag` and `stylesheet_link_tag`) just only once.

Converts HTML text to Rich Text Contentful specific JSON structure

A less restrictive version of html-pipeline for content.

A simple service for getting URL page informations

If you want to cut only the content of pages, without any other part (like the menu, header, footer, commercials, etc.), you might find this gem very handy. A DSL is also defined for nifty definitions for your screen scrapping and sanitization.

Parses various file types (HTML, CSS, JavaScript, ...) for URLs and provides methods for iterating through URLs and changing URLs.

Contabilidad en medios electronicos

Generate an image containing your GitHub contribution calendar.

Easily convert any string and replace with links and embedded content from a long list of providers and libraries.

Neural networks in Ruby and CUDA.

Simple Web Crawler

App Generator for coolstrap mobile framework

Convert statement HTML from the Co-operative bank's online banking system to OFX for import into financial apps.

Offline watch free episode of railscast videos for personal usage.

Rake tasks to help cordova development

Parse Core Data models.

Automatically generate Active Record for Core Data models.

Corenlp is a Ruby gem that uses the Stanford CoreNLP Java tools to parse text.

it displays info about the corona virus

Gem para calculo de valor e restreamento dos Correios.