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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Your Database is Sacred
Ensuring your database starts and stays consistent and valid [more inside]
Short tutorial for deploying Roda app with Capistrano
Writeup of steps i needed to deploy my Roda app into whole new AWS EC2 instance with Capistrano: http://masa331.github.io/2016/04/15/deploying-roda-app.html
Try kramdown Online Editor & HTTP JSON API Service - Convert Markdown to HTML & LaTeX
Hello, I’ve put together a simple online editor that lets you try the kramdown library converting markdown to HTML or LaTeX. The online app also includes a HTTP JSON API service (e.g. /markdown) for conversion. All is packed up in the kramdown-service gem for easy (re)use and as an extra bonus includes a binary, that is, kramup, that starts up the online editor and service on your local machine (e.g. use $ kramup). Supported conversion options/modes include: [more inside]
Allowing Nginx to use a Puma/Unicorn UNIX socket with SELinux
If you are deploying Ruby applications to Fedora/CentOS/RHEL you might find handy to know how to allow Nginx to talk to Puma server.
paperclip_utils Gem Released
Check out the new gem I made called paperclip_utils. I originally built it to make thumbnails only for file types that can be made into an image. It is now a collection of custom paperclip processors and a helper class to work with dynamic processors and styles. I would like to encourage anyone to add any useful paperclip processors they have or know of. https://github.com/westonganger/paperclip_utils
Docker: Tools and Workflow Overview
In this video we go over the different tools that are involved in setting up an automated deployment system. We also show you the workflow that you will be working with on a daily basis with this setup. [more inside]
Rodauth: Authentication and Account Management Framework for Rack Applications
Rodauth 1.0.0 was released today, adding support for 2FA via TOTP/SMS/recovery codes, multiple databases, JSON APIs, and IT security policies: http://rodauth.jeremyevans.net/
Simple file with ActiveAdmin
Am tired to do dirty code in ActiveAdmin! DRY for all. And I made tillge gem, which will cover will simple resources, so you code will be clean, and some simple ActiveAdmin tables will me coded in 1 line. I hope you will like it. Enjoy :) https://github.com/kvokka/active_admin_simple_life
21 Minutes to Develop a Todo List iOS App with RubyMotion & RedPotion
If you’ve thought about jumping into iOS development with RubyMotion, here’s a video I put together that may help get you started. :) [more inside]
Drifting Ruby Episode 24 - Fragment Caching
Check out a new episode on Drifting Ruby covering performance via Fragment Caching. Make your application faster by leveraging memory and caching fragments of your view.
Ancient City Snake Case
I had the pleasure of attending the Ancient City Ruby Conference last week. The organizers issued the Snake Case Ruby Challenge: to use ruby to count the number of possible paths to walk between opposite corners of a city grid. Though I didn’t win the raffle, I wrote about a few ways to solve this problem and benchmarked the results. https://rossta.net/blog/ancient-city-snake-case.html
How to Compress Responses Using Rack::Deflater On Rails
This articles describes a super simple way to get compressed responses on Rails or any Rack app. http://solidfoundationwebdev.com/blog/posts/compress-responses-using-rack-deflater-on-rails
Chat App Implementation without Rails 5 and ActionCable
A lot of people migrated to Rails 5 and its awesome features, but what if you can’t? What if you need to stay on the Rails 4 versions, but still want to build real-time applications. Check out my new blog post :) [more inside]
Dropping elements left and right: fun with ruby arrays
Exploring ways of dropping elements from arrays: a look at Array#drop_while, implementing and benchmarking a counterpart Array#drop_while_right. More of an experiment and an excuse to play with refinements and benchmark-ips then something that would be used in production code :) [more inside]
Unicode Micro Libraries
Unicode X is a set of libraries providing specific Unicode-related functionality, like finding out the script a character belongs to or retrieving the name of a character.
Refactor away duplication in your RSpec tests using the Parameterized Test Method
What do you do when you need to run the same test multiple times, but with different parameters? If you copy and paste the test, you end up with a hard-to-read test file. You can’t easily tell how the tests differ from one another. Parameterized test method to the rescue!
The Optimist’s Guide to Pessimistic Library Versioning
Richard Schneeman looks at different strategies for declaring dependencies in libraries and how we might be able to make major version bumps easier into the future. Article here.
Don't tie jQuery to the Rails
It’s time for jQuery to go. It’s a great library but it’s not a part of Rails. I was recently auditing a site for dependencies. Skimming the list of JavaScript libraries I blew right by jQuery. Then a thought popped into my head. The bits of dynamic front-end were built using React. Where was jQuery being used? [more inside]
How to turn your service into a Heroku add-on
Butter CMS takes us through exactly how to build a Heroku add-on and shares their experience with the entire process.
RubyFlow Turns 8 Years Old
I just noticed that RubyFlow’s first post was 8 years and a few days ago. Thanks for all of your support and (14675!) posts over the years :-)
Playing With Google Vision API: Ruby Slack Bot Tutorial
Hey folks, I wanted to present a simple bot using Google Vision API in Ruby, created by my colleague Szymon. This tutorial will help you when building apps that require visual content identification. It’s open source, so feel free to use the code, contribute and improve where you find necessary. Your feedback is very welcome! Ruby Slack Bot: Using Google Vision API Tutorial
Rails 5 adds warning when fetching big result set with Active Record
Running into memory issue by accidentally loading large number of records in Rails ? Rails 5 has a solution. [more inside]
Testing PDF generation with Ruby
If you are generating PDFs in your apps, you should also test them. Here are my thoughts on how to test PDF generation in Ruby. I would welcome other tips/approches you do.
Background jobs in Ruby
Queue management systems are used to process background jobs, so these jobs don’t interfere with the user experience. There are systems that use a database, and others that use Redis instead. Even Ruby on Rails has standardized it with ActiveJob so the application uses the same syntax for any system. http://davidmles.com/blog/background-jobs-ruby/