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Hashrocket @hashrocket

Industry experts crafting world-class apps in Rails, Elixir, React, iOS, and Android.

Joined January 2008
  • Tweets 2,064
  • Following 646
  • Followers 5,053
202 Photos and videos
Testing Readonly Models by Tony Yunker #hashrocket #ruby-on-rails hashrocket.com/blog/posts/te…

Testing Readonly Models

I was working with a readonly model in Rails the other day and ran into an issue whilst testing it. Here's what I ran into and the solution I came up with.

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Crafting Code: Building a Ruby Pattern Generator for a Crochet Circle by Mary Lee #hashrocket #ruby hashrocket.com/blog/posts/cr…

Crafting Code: Building a Ruby Pattern Generator for a Crochet Circle

In my time as a developer, I have noticed that one of the most common ways my coworkers spend time coding outside of work is by developing little code snippets or apps that solve problems in their...

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Hashrocket@hashrocket
29 Dec 2025
Expo for React Native in 2025: A Perspective by Jack Rosa #hashrocket #mobile #react-native hashrocket.com/blog/posts/ex…

Expo for React Native in 2025: A Perspective

The React Native ecosystem has improved significantly over the years, and Expo has evolved from a beginner friendly wrapper into a robust mobile framework. Native developers face an important...

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Hashrocket@hashrocket
15 Dec 2025
How To Rev Up Your Rails Development with MCP by Jack Rosa #hashrocket #ruby #ai hashrocket.com/blog/posts/ho…

How To Rev Up Your Rails Development with MCP

Shipping new features on legacy Rails applications requires deep codebase context. The rails-mcp-server gem closes the gap between AI agents and your Rails projects, enabling more relevant code...

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Building a (Very) Simple Responsive Search with Rails & Stimulus by Jack Rosa #hashrocket hashrocket.com/blog/posts/bu…

Building a (Very) Simple Responsive Search with Rails & Stimulus

Here's a simple and responsive search form I put together for a recent side project, using Hotwire's Stimulus framework and Rails with Turbo.

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Creating a Custom Mobile Integration for a Board Game Using Ruby on Rails by Craig Hafer #hashrocket #ruby #mobile hashrocket.com/blog/posts/cr…

Creating a Custom Mobile Integration for a Board Game Using Ruby on Rails

Picture this: you find a charming old board game at a garage sale, bring it home, gather some friends—and snap. The 50-year-old plastic components break instantly. You search the web for help to...

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Why Ruby is the Best Language for Advent of Code by Tony Yunker #hashrocket #ruby hashrocket.com/blog/posts/wh…

Why Ruby is the Best Language for Advent of Code

It's the most wonderful time of the year - Christmas Advent of Code time! Advent of Code is an Advent Calendar style series of programming puzzles put out each year, starting on December 1st leading...

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Hashrocket@hashrocket
25 Nov 2025
Building a MCP Server in Elixir by Vinicius Negrisolo #hashrocket #elixir #process #ai hashrocket.com/blog/posts/bu…

Building a MCP Server in Elixir

We’ve been working with MCP servers for a while, and this use case was a perfect opportunity to build out another one.

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Hashrocket@hashrocket
24 Nov 2025
bizjournals.com/jacksonville…

Hashrocket—decades of experience. Hundreds of custom applications. Infinite possibilities.

Instead of forcing your workflow into pre-packaged software, they design solutions that fit you.

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Hashrocket@hashrocket
21 Nov 2025
This was a fun one that we used recently! Thanks for sharing @jonathan_frias ! Great seeing you at @sfrubyconf 🚀🙌
Jonathan Frias
@Jonathan_Frias
5 Sep 2025
Working with webhooks gives me anxiety! 😰 Every api service has their own webhook implementation. If something bad happens: Is the webhook lost? Can I replay the webhook? Where is it logged so I can debug issues? Do I have bad data now? Save your webhooks by default! 😌 Here's an elegant implementation using single table inheritance.
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Hashrocket@hashrocket
20 Nov 2025
bizjournals.com/jacksonville…

How Hashrocket drives real-world business growth with AI-powered innovation

This is not just an AI experiment but an operational tool that leverages your own data through custom AI models and workflows to help your business grow smarter, faster, and more competitively.

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Hashrocket@hashrocket
20 Nov 2025
Speed Up Your Rails App by Squashing N 1 Queries by Tony Yunker #hashrocket #ruby-on-rails hashrocket.com/blog/posts/sp…

Speed Up Your Rails App by Squashing N 1 Queries

N 1 queries are one of the most common performance killers in Rails apps, but also one of the easiest to fix. In this post, we'll see how a single line of code can reduce 1,101 database queries down...

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Hashrocket@hashrocket
18 Nov 2025
Some Thoughts About Claude Code by Jack Rosa #hashrocket #ruby #ai hashrocket.com/blog/posts/so…

Some Thoughts About Claude Code

Claude code is a powerful AI toolset that runs right in your terminal. While providing a lot of impressive utility, it also suffers from the issues that arise from similar AI toolings with the...

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Hashrocket@hashrocket
13 Nov 2025
Nativewind: Speeding up Styling in React Native by Jack Rosa #hashrocket #mobile #react-native hashrocket.com/blog/posts/na…

Nativewind: Speeding up Styling in React Native

How Nativewind can speed up your React Native Development

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PostgreSQL 18 - Temporal Constraints by Vinicius Negrisolo #hashrocket #postgresql hashrocket.com/blog/posts/po…

PostgreSQL 18 - Temporal Constraints

PostgreSQL 18 introduced a powerful new feature that lets you enforce uniqueness across time periods: Temporal Constraints. With this addition, you can now define UNIQUE, PRIMARY KEY, or FOREIGN KEY...

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PostgreSQL 18 - VIRTUAL Generated Columns by Vinicius Negrisolo #hashrocket #postgresql hashrocket.com/blog/posts/po…

PostgreSQL 18 - VIRTUAL Generated Columns

PostgreSQL 18 introduces a very useful feature: VIRTUAL generated columns. These columns compute values on-the-fly at query time instead of storing them on disk, giving you the flexibility to choose...

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Hashrocket@hashrocket
30 Oct 2025
PostgreSQL 18 - Track What Changed By Your UPSERTs by Vinicius Negrisolo #hashrocket hashrocket.com/blog/posts/po…
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28 Oct 2025
PostgreSQL 18's UUIDv7: Faster and Secure Time-Ordered IDs by Vinicius Negrisolo #hashrocket hashrocket.com/blog/posts/po…
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23 Oct 2025
Spec-Driven Estimation: How Devs Can Estimate Features Quickly and More Accurately with AI by Craig Hafer #hashrocket hashrocket.com/blog/posts/sp…
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21 Oct 2025
OpenSpec vs Spec Kit: Choosing the Right AI-Driven Development Workflow for Your Team by Vinicius Negrisolo #hashrocket hashrocket.com/blog/posts/op…
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