Programming Puzzle Solutions: JS, Java, Python, Go
This is the index for the four programming puzzle problems on this site. Each one has language-specific solutions in JavaScript, Java, Python, or Go — …
Read Article →JavaScript
99 articles about javascript development, tools, and best practices
Longest Alphabetical Substring (JS)
The challenge
Find the longest substring of a string where characters appear in non-decreasing alphabetical order. If two substrings share the maximum …
Read Article →Longest Vowel Substring in JS
The challenge
Given a lowercase string of letters (no spaces, no digits), return the length of the longest substring made only of vowels (aeiou). …
Permutations Alphabetically in JS
The challenge
Given a lowercase word, return every permutation of its letters in alphabetical order. Do not use built-in permutation libraries. …
Read Article →Find Number With Most Digits in JS
The challenge
Given an array of positive integers, return the number with the most digits. If two numbers have the same number of digits, return the …
Read Article →Semantic Versioning with npm
Semantic Versioning, often referred to as SemVer, is a crucial convention within the Node.js ecosystem. It provides a clear and structured way of …
Read Article →Understanding Peer Dependencies in Node Modules
When working with Node.js and managing packages for your projects, you’re likely familiar with the dependencies and devDependencies sections in …
Python vs Rust vs Go vs Java: Compared
1. Introduction
Welcome to our Programming Languages Series! In this series, we’ll explore various programming languages, understand their …
Read Article →React State Balancing: A Guide to State Management
As React apps grow, managing shared and app-wide state can become challenging. Dedicated state management libraries help tackle these complexities. …
Read Article →React + Node: Beginner's Guide to Full Stack Dev
React excels at building fast, dynamic frontends. Node.js shines for server-side APIs and microservices. Together, they make a powerful stack for full …
Read Article →Optimal React Patterns: Beginner's Guide
As with any framework, React comes with its own set of best practices and optimal patterns. Let’s explore some tips for writing robust React …
Read Article →Debugging React Apps: Beginner's Guide
Bugs are inevitable in complex React applications. Thankfully, React provides great tools to squash bugs quickly.
Let’s look at some key …
Read Article →Advanced React Patterns: Compound Components & More
As React apps scale, you’ll want to structure components for greater reusability and composability. Here are some powerful React patterns: …
Read Article →React Animation Guide: Libraries and Techniques
Animation brings interfaces to life. Thankfully, React has great open source libraries for animation. Let’s compare some popular options:
Framer …
Read Article →Testing React Apps: Beginner's Guide to TDD
Testing is crucial for ensuring React apps are stable and bug-free. Popular tools like Jest and React Testing Library make testing React components …
Read Article →Data Fetched Fast - A Beginner's Guide to React Query
Fetching data in React often means using stale state and complex caching logic.
React Query simplifies data fetching with powerful features like …
Read Article →Forms Simplified, A Beginner's Guide to Managing React Forms
Forms are a common need for many React apps. However, managing form state and validation can be tricky.
Thankfully, React provides great libraries to …
Read Article →Optimizing React Performance: Beginner's Guide
As React apps grow, you may notice performance starting to lag - sluggish interactions, choppy animations, janky scrolling.
Luckily, there are many …
Read Article →State Management 101 - A Beginner's Guide to React State
State management is a crucial concept in React. State allows components to dynamically update UI based on data changes.
However, managing state …
Read Article →Accessible React Apps: Beginner's Guide to Accessibility
Accessibility is an important consideration when building modern web apps. React provides useful tools to make accessible, inclusive products. …
Read Article →Mystery Boxes - A Beginner's Guide to React Fragments
When returning multiple elements from a component’s render method, they must be wrapped in a single parent DOM node:
// Needs a <div> …Unidirectional Data Flow in React: Beginner's Guide
A key advantage of React is its unidirectional data flow. This makes the flow of data predictable, and helps avoid unexpected side effects from data …
Read Article →Event Handling in React: Beginner's Guide
Responding to user events is a crucial part of building interactive UIs. In React, you can pass event handlers as props to components to run code when …
Read Article →Hooked on React - A Beginner's Guide to React Hooks
When React was first released, class components were the standard way to build complex UIs. However, classes can be cumbersome for some use cases. …
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