React 18 allows components to render 'undefined'
Before React 18, if we did not want to render anything, we had to return 'null' or an empty fragment. React now allows undefined to be rendered.Rails does not require role when to be passed to connected_to
The connected_to block no longer throws an ArgumentError when called without a role parameter so as to pave the way for a more simplified and buildable syntax.How does Ruby manage memory?
Each programming language has its version of memory management so, let us look into how Ruby does this under the hood.Step-by-step guide to GSAP Library
With GSAP library, we can create beautiful animations using Tweens, ScrollTrigger, and TimelinesRails 7 adds support for deferrable foreign key constraints in PostgreSQL
By default, foreign key constraints in PostgreSQL are checked after each statement. This works for most use cases but becomes a major limitation when creating related records before the parent record is inserted into the database.Rails adds the ability to prevent unwarranted shard swapping
Rails provides the config option ActiveRecord::Base.prohibit_shard_swapping that prevents swapping of database shards.Optimize large React app performance by code-splitting
Code-splitting helps divide large code bundles into smaller ones, which can then be loaded on demand. It helps in reducing the initial load time of the application.Rails 7 adds optional transaction arguments to with_lock
With Rails 7 we can pass transaction arguments like isolation, joinable, etc directly to with_lockRails loads ActionCable via Zeitwerk
Zeitwerk is a new thread-safe code loader introduced in Rails 6. Now, ActionCable and other related modules are loaded via Zeitwerk.ECMAScript 2022: Ergonomic brand check for private fields
ECMAScript 2022 provides a simpler way to check if an object has a given private field using the 'in' operator.