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Don’t assert return types | Jared Norman

Don’t assert return types | Jared Norman When done well, tests can serve as documentation describing how consumers of the object should interact with it. It’s not the primary goal of testing, but it’s worth considering when writing tests. What does a type assertion on the return value of...

Rust, Ruby, and the Art of Implicit Returns - Earthly Blog

Rust, Ruby, and the Art of Implicit Returns - Earthly Blog If you are familiar with C-style programming languages, and ever touch Rust, Ruby, Kotlin, Scala, or even Julia there are some syntax and concepts that could initially appear confusing, unfamiliar, or unnecessary. I’m talking about implicit return...

Why You Need Strong Parameters in Rails

Why You Need Strong Parameters in Rails This post explains the Mass Assignment vulnerability and how you can use the strong parameters API in Rails to address itIn 2012, GitHub was compromised by Mass Assignment. A GitHub user used mass assignment that gave him administrator privileges ...

Add Brakeman by default to new apps

Add Brakeman by default to new apps Brakeman is a great way to prevent common security vulnerabilities in Rails from going into production. We should be encouraging that for new applications. Especially for newcomers to the framework who might otherwise make rookie mistakes. So let'...

Interview with Elia of Opal - a Ruby to JavaScript source-to-source compiler

Interview with Elia of Opal - a Ruby to JavaScript source-to-source compiler Hi! I’m from Italy, I’ve been working as a software developer for about 15 years now, and I'm not one of those early childhood programmers that started with Basic and a Commodore 64, I had my initial encounter with programming in high school, whe ...

Service objects are poorly-named models

Service objects are poorly-named models Look at any Rails codebase that's older than a few months. I bet you'll find a sub-directory of app called services.It comes with the best of intentions for separation of concerns. The developers want to keep controllers straightforward and focuse...

Ruby 3.3 Examining `it` Default Block Param

Ruby 3.3 Examining `it` Default Block Param Discover Ruby 3.3's `it` default block param warning, its impact on RSpec, and how to fix potential conflicts. Learn more in my video or articleIn the last Ruby Developer Meeting it was accepted that it will be added to Ruby 3.4.In preparation for...

Exploring Ruby's Global Constants and Variables - FastRuby.io | Rails Upgrade Service

Exploring Ruby's Global Constants and Variables - FastRuby.io | Rails Upgrade Service By default, Ruby defines many constants and global variables that can be used in the code to get information about the current state of the application and the runtime. In this article we’ll go over most of them to understand what they are and wha...

When static types make your code shorter

When static types make your code shorter The type system can let you remove runtime validations because invalid states are impossible.In the eternal debate between static and dynamic types, verbosity is often cited as superior in dynamic languages. You don’t have to specify types, so you...

Optimizing Ruby on Rails Serializers: Efficient Hash Unpacking in Serializer - DEV Community

Optimizing Ruby on Rails Serializers: Efficient Hash Unpacking in Serializer - DEV Community In the world of Ruby on Rails development, serializers play a crucial role in transforming ActiveRecord objects into JSON formats suitable for client-side consumption. However, while invaluable, serializers can sometimes introduce performance bott...

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