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DigitalOcean provides cloud products for every stage of your journey. Get started with $200 in free credit! Before this new CSS I’m about to introduce existed, locking an element into the viewport on scroll required rigging up some JavaScript. As you may know, JavaScript has a well-earned reputation to be tricky when paired with scrolling behavior. The new CSS Scroll Snap Points spec promises to h
In Rails 4.x, for going back to previous page we use redirect_to :back. However sometimes we get ActionController::RedirectBackError exception when HTTP_REFERER is not present. 1 2class PostsController < ApplicationController 3 def publish 4 post = Post.find params[:id] 5 post.publish! 6 7 redirect_to :back 8 end 9end 10 Copy This works well when HTTP_REFERER is present and it redirects to previou
(Hey, we're having problems showing images in RSS right now, so if you want a better reading experience, consider viewing this article online [here](https://zellwk.com//blog/rem-vs-em. We hope to fix this soon!). One of the best practices to typography on the web is to use relative units like rem and em. The question is, which should you use? There's been a longstanding debate between rem supporte
Private classes in Ruby One of the most common way to make some part of your code more understandable and explicit is to extract a class. However, many times this class is not intended for public usage. It’s an implementation detail of a bigger unit. It should not be used be anyone else but the module in which it is defined. So how do we hide such class so that others are not tempted to use it? So
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