Yuta Kusuno articles - 10 total
![[Rails] How We Reduced API Response Rendering Time by 30%](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjmugebiqjmc2go7q834i.png)
[Rails] How We Reduced API Response Rendering Time by 30%
I work on the backend team supporting an SNS with 170K users, built using Ruby on Rails. We use...
![[Rails] count vs length vs size with Samples and a Diagram](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ff4ml4fcrxl1d0sripv4p.png)
[Rails] count vs length vs size with Samples and a Diagram
When working with Active Record in Ruby on Rails, we often need to count the number of records. There...
![[Hono] Simple Messaging App Using Bun and WebSocket](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmsmt1hxpfs9c3zhnynyi.png)
[Hono] Simple Messaging App Using Bun and WebSocket
We often see implementations of WebSocket using the Express framework and Socket.io. However, there...
![[TS] Consider Type-Safe localStorage](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fu61x8e10rw408ku5shag.png)
[TS] Consider Type-Safe localStorage
This post was featured in Codeminer42 Dev Weekly #10 on Codeminer42 's engineering blog. In a...
![[Next.js] Firebase Authentication with Google Sign-in Using Cookies, Middleware, and Server Actions](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fkbcnvsr995fmdzlczxzb.png)
[Next.js] Firebase Authentication with Google Sign-in Using Cookies, Middleware, and Server Actions
This post provides a explanation of implementing user authentication in a Next.js 14 application...
![[React] Passing Environment Variables to Service Workers](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fi80yqcsgcpxqptmxipdr.png)
[React] Passing Environment Variables to Service Workers
When working with Firebase Cloud Messaging in a React application, creating a service worker (the...
![[JS] CommonJS vs. ES Modules: Synchronous and Asynchronous Module Loading](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fsar88jbm29kpiv7u2aum.png)
[JS] CommonJS vs. ES Modules: Synchronous and Asynchronous Module Loading
JavaScript employs two main module systems: CommonJS using require() and module.exports for imports...
![[JS] What Happens When “use strict” Is Defined](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Frcoyw8105i9huhmtjopj.png)
[JS] What Happens When “use strict” Is Defined
JavaScript's "use strict" directive allows you to opt into a restricted variant of the language,...
![[JS] The Top-Level Scope Is NOT Always the Global Scope](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbt46g2ieuyqs289h2npb.png)
[JS] The Top-Level Scope Is NOT Always the Global Scope
Understanding the scope in JavaScript is crucial for writing robust and maintainable code. While in...
![[JS] Look Back on Hoisting](https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fr35x98ik75vgn4s7s805.png)
[JS] Look Back on Hoisting
In JavaScript, understanding hoisting is crucial for any developer. Hoisting can be a tricky concept...