cancelled_at).to be_a(Time) end end end SINGLE RESPONSIBILITY If your method doesn't fall into one of the three categories above - meaning that its purpose isn't defined by a result, a method call, or a side effect - perhaps it's doing too much.

Develop a Rails app in Docker.

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How and why should you use JSON API in your Rails API? Crafting a well-behaving API is a virtue. It is not easy to come up with good standards of serializing resources, handling errors and providing HATEOAS utilities to your design. There are a lot application-level concerns you need to make - whether you want to send back responses in mutation requests (like PUT/PATCH/POST requests) or just use HTTP headers. And it is hard - and by hard I mean you need to spend some time to get it right. There are other things you need to be focused on which are far more important than your API. Good under...

Part one of a four-part series which will show you how to optimize a memory-heavy Rails API action.

Parts are machined for a transmission (my father actually worked as a manager for a company that produced automatic transmissions), and in this factory, raw metal is cut to size for gears, then it's placed in milling machines.

One of the real delights of programming is picking great variable, method, and class names. But an even greater treat is when you can name pairs, or even whole narratives, that fit just right. And …

Learn about Sinatra Activerecord Setup. Start learning to code for free with real developer tools on Learn.co.

Jesus Castello walks through the basics of cryptography using examples in Ruby. This is an excellent primer on crypto.

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Welcome, subscribers new and old to another week, another newsletter and a new entry in the Catalog of Smells!

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