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Closures In Ruby

Closures In Ruby Closures are a concept I learned about in school but I never fully wrapped my head around. Even the definition from the Wikipedia page sounds theoretical and hard to understand:a closure, [...] is a technique for implementing lexically scoped name...

Simplifying Tests by Extracting Side-Effects

Simplifying Tests by Extracting Side-Effects Test-driven development, object-oriented design, and functional programming converge on some similar ideas.Functional programming gives us a mental model that can be helpful when looking at unit testing our object-oriented code. In particular, it ...

Code Loaders in Ruby- Understanding Zeitwerk

Code Loaders in Ruby- Understanding Zeitwerk Code loaders let developers define classes and modules across different files and folders and use them throughout the codebase without explicitly requiring them. Rails is a good example of a piece of software that uses code loaders. Programming in...

Querying PaperTrail Object Changes in JSON

Querying PaperTrail Object Changes in JSON PaperTrail may be a fit for your rails app if you've ever wanted help answering the question, "what series of events conspired to put my database in this state?" It acts as a time capsule, storing each change made to instances of your models that ...

Hotwire, ViewComponents and TailwindCSS: The Ultimate Rails Stack

Hotwire, ViewComponents and TailwindCSS: The Ultimate Rails Stack TailwindCSS bills itself as a "Utility First CSS framework". I'm not quite sure what that means, but I really like what it actually is. In a nutshell, Tailwind lets you build nicely styled HTML documents without messing with CSS directly. When you...

Bridgetown: Ruby on the Jamstack, or, Why I Forked Jekyll by Jared White - YouTube

Bridgetown: Ruby on the Jamstack, or, Why I Forked Jekyll by Jared White - YouTube Talk given by Jared White at the RUG::B Meetup, February 4th, 2021.https://www.rug-b.de/events/ruby-user...Writer, Designer, and Ruby/Bridgetown/Rails developerhttps://twitter.com/jaredcwhiteYou might be familiar with the granddaddy of SSGs, Jek...

Tensors using NumRuby - SciRuby

Tensors using NumRuby - SciRuby Tensor word can have slightly different meaning depending upon the nature of study, like it’s defined differently in Physics, slightly different in computer science. In computer terms, it is basically a n-dimensional array. A scalar (one value) is...

3 tips to tune your VCR in tests | Arkency Blog

3 tips to tune your VCR in tests | Arkency Blog VCR is a tool which I’d classify as useful in snapshot testing. You record a snapshot of an interaction with a System Under Test. Once recorded, these interactions are replayed from stored files — snapshots.VCR specifically records HTTP interacti...

Bundler: A more secure bundler: We fixed our source priorities.

Bundler: A more secure bundler: We fixed our source priorities. Last week an article about “Dependency Confusion” hit the news, where a developer was able to make thousands of dollars on bug bounty programs from big tech companies, by pushing libraries to public repositories that ended up unintentionally being...

Ruby Garbage Collection Deep Dive: Tri-Color Mark and Sweep

Ruby Garbage Collection Deep Dive: Tri-Color Mark and Sweep In the first post in the Ruby Garbage Collection Deep Dive series, we went through a few definitions to give us a picture of how Ruby stores values in memory. If you haven’t read it yet, read it first! We’ll build on those definitions in this post...

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