§ The diary · page 7
Latest ideas for the technical mind.
63 articles on web development, tooling, React, JavaScript, and practical frontend work.
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Web Development
Unit Testing React Components: A Comprehensive Guide
Learn how to effectively Unit Testing React components with this comprehensive guide, ensuring code quality and bug-free development.
Nov 12, 2024· 9 min read
JavaScript
Lodash _.groupBy() — Group Arrays & Objects by Key (With Examples)
How to group arrays and objects in JavaScript using Lodash _.groupBy(). Copy-paste examples for grouping by property, multiple keys, array of objects, nested values, custom functions, and native alternatives.
Nov 12, 2024· 16 min read
Web Development
What Is React Query? How To Use useMutation, useQuery, prefetch, devtools
Boost React app performance with React Query useMutation, useQuery, and devtools. Learn how to optimize data fetching with refetch.
Nov 12, 2024· 14 min read