Issue 312 — August 25, 2016
David Heinemeier Hansson
DHH walks us through his process in driving out a name for a class and method. A lesson in one of the hard things in programming.
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Rails 5 Trims Session Storage by Discarding Some Flash Messages news
HashiCorp Decommissioning its Otto Deployment Tool news
Plans to open source it.
Help JRuby Write Tests, Get a Sticker news
Charles Nutter has tweeted that anyone submitting a PR for ‘needs tests’ JRuby issues will get a sticker.
Free eBook: Working with Docker Machine, Compose and Swarm tutorial
In this free eBook, we introduce Docker Machine, Swarm, and Compose, and describe how they are packaged into what's called the Docker Toolbox.
Managing and Modelling Recurring Events in Rails tutorial
Approaches to Application Control Flow in Ruby tutorial
A look at various approaches to controlling application flow, from exceptions to monads.
Creating Staging and Other Environments in Rails tutorial
A 1588x Speed Increase With Solr tutorial
Using Solr and Sunspot to cache expensive calculations.
How to Tame Your Growing Users Table tutorial
Customize the Mac OS X Menu Bar with BitBar and Ruby tutorial
A free tool that allows you to customize your OS X toolbar and for which you can write a plugin in Ruby, as here.
Using 'git bisect' to Debug Regressions within the Rails Codebase tutorial
Generating PDFs from HTML in Rails tutorial
Create a Ruby Slack Bot to Interact with Your Wiki tutorial
How to write your own Wiki-editing Slack bot using Ruby and Sinatra.
How We Make Software: A New Theory of Teams video
Sarah Mei challenges our concept of software ‘teams’ and presents a new metaphor for our craft.
Find and Fix Ruby Errors Faster (and have fun doing it) tools
Quickly pinpoint what’s broken and why. Get the context and insights to defeat all Ruby errors.
Doctor: An Open Source Documentation Server tools
Rubrowser: A Ruby Code Dependency Graph Interactive Visualizer tools
Analyzes a Ruby (or Rails) project and displays dependency information as a directed force graph using D3.
A Ruby API Client for Medium, the Publishing Platform code
attribute-depends-calculator: Calculate Values from Child Objects code
Calculate values for a parent from its dependent objects, such as total price for an order from its order items. Sum, average, count, and more are available.