The Ruby and Rails community linklog
Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!
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Simple signup and login in your app (Part 2)
This is part 2 of my blog post series about creating a simple signup and sign in flow using Rails’ built-in has_secure_password features.
What is Redis? A gentle introduction using Ruby
Redis is a free and open-source in-memory key-value store, similar to Memcached (used to speed up dynamic web applications by caching data in RAM) with the main difference of being persisted to disk and having more data types. In this article you will see an introduction on how to interact with Redis using Ruby. http://davidmles.com/blog/what-is-redis-introduction-ruby/
Compress Custom Web Fonts in Rails 4.2 Apps
Learn how to compress custom web fonts in Rails 4.2 apps without writing any code.
How I Do Rails Controllers
In light of DHH’s current insights on how to structure Rails controllers, I’d like to share how I typically handle controllers in a Rails application. (tl;dr I use CanCanCan and Responders to keep my controllers lean and boring.)
Ruby's Scaffolding Tool for New Projects (Gems, Sinatra, etc.) e.g. $ quik new gem
Hello, I’ve moved all quik project templates and scripts to a new github org, that is, quikstart. What’s quik? quik is a ruby quick starter template script wizard .:. the missing code generator. Try: [more inside]
Simple gem for writing conditionals with dates and time
https://github.com/Szeliga/time-predicates - when debugging legacy code or introducing myself to a new codebase, I always have struggled with figuring out which date is in the future and when the condition is going to be fulfilled. So I wrote this gem to provide easy to read predicates for Date and Time objects.
Does Rails everything for us?
The latest Rails security fixes were another reminder that we shouldn’t rely too much on a framework to solve everything security for us. Let’s take a moment every time we use user input directly (like in render params[:id]) and think about what class it could potentially be: Fixnum, String, Array, Hash, nil, a blank string. This and other news in the Rails and web app security reading list.
Stronger Parameters Gem
Discovered this today - a gem to help with type-checking submitted Rails params: https://developer.zendesk.com/blog/introducing-stronger-parameters
Rails 5 adds http_cache_forever to allow caching of response forever
Rails 5 allows to cache HTTP responses forever by introducting http_cache_forever method. [more inside]
ActiveRecord is reinventing Sequel
I’ve been happily using Sequel for over a year now, and was finding it to be consistently better than ActiveRecord. Moreover, I found out that most of new ActiveRecord’s features were already part of Sequel for quite some time. I think that’s a big and controversial discovery, so I decided to write a post where I attempt to prove my claims.
Avoid race conditions with record locking
Especially useful with high volume applications, record locking helps to maintain data integrity and avoid race conditions. [MORE INSIDE]
Experimenting with database indexes - How fast can it get?
In this blog post I’m explaining what database indexes actually are and how much they can improve your query times in a Ruby on Rails application that contains a lot of records. The tests are done on a Postgresql database. [more inside]
Upgrade Legacy Passwords to Use Devise
Sometimes you get an old app that has a garbage password encryption scheme. Find out how to seamlessly update it to secure your app and prevent a security event.
Stay Static - Jekyll vs Middleman - And the Winner is...
Hello, For tonight’s Vienna.rb meetup I’ve put together a talk titled “Stay Static - Jekyll vs Middleman - Build Static (Web) Sites w/ Ruby”. The agenda reads: [more inside]
Three techniques to make your code for readable
Readable code is maintainable code. This article discusses best practices for writing readable code.
Better exception responses in Rails 5 API apps
Rails 5 has introduced better exception response format for API only apps. The post http://blog.bigbinary.com/2016/03/03/better-exception-responses-in-rails-5-api-apps.html discusses new configuration provided in Rails 5.
Code Ruby like you build Lego (refactored)
This illustrates a way to chain functions and service objects in Ruby if ever you miss the | (pipe) operator from unix and/or Elixir. I changed the presentation after the feedback from different talks: http://slides.com/apneadiving/code-ruby-like-you-build-lego [more inside]
Generating Sprite Images using Compass Rails Gem
Learn how to Create Sprite Images using Compass Rails Gem in Rails 4.2.5 to speed up your Rails 4.2.5 Apps.
ThreadPool: a Ruby antihero
Threading gets a bad wrap in Ruby - even still, you may be using thread pools everyday without even knowing it. Many of the most popular ruby gems use the concept of “pooling” to manage expensive resources. In this post, we’ll examine why thread pools are useful and take a test-driven approach to implementing one ourselves. https://rossta.net/blog/a-ruby-antihero-thread-pool.html
Reality: access to real-world entities
New reality gem provides access (through Wikipedia and Wikidata and other services) to real-life data. Its goal is to make entire world computable.
kramdown - markdown converter - update - v1.10 - released (now incl. strikethrough)
Hello, Via Vienna.html great news - kramdown v1.10 is out - thanks to Thomas Leitner - the author (from Vienna, Austria ;-) of the markdown converter in ruby. What’s news? [more inside]