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Articles 182,748Blog Posts 166,504Tech Tutorials 48,980Research Papers 35,860News 22,650
⚡ AI Lessons

Dev.to · Cathy Lai
⚡ Algorithms & Data Structures
4d ago
How I Finally Learnt to Solve Coding Interview Questions
So you have an algorithmic coding interview coming up... You know the standard advice: think out...

Dev.to · Abimanyu P
⚡ Algorithms & Data Structures
2w ago
Arrays in JavaScript
Arrays and its methods in JavaScript An array in JavaScript is a data structure used to...

Dev.to · jidonglab
⚡ Algorithms & Data Structures
2w ago
Invert a Binary Tree: What the Interview Question Really Tests
The invert a binary tree interview question is 5 lines of code. Here's what interviewers actually score and why good devs fail it.

Dev.to · SaxonFletcher2361
⚡ Algorithms & Data Structures
3w ago
Reliable SMS OTP Delivery for Beginner 2FA Login in US/EU SaaS
A beginner 2FA login stack for a US/EU SaaS can use SMS OTP, but reliability depends on the queue...

Dev.to · Mona Moxie
⚡ Algorithms & Data Structures
3w ago
The Hidden Cost Of A Line of Code
"Given an integer array nums, return true if any value appears at least twice in the array, and...

Dev.to · Amish Singh
⚡ Algorithms & Data Structures
3w ago
I Didn't "Learn" Sliding Window — I Got Cornered Into It
The Problem Given nums list and k operations, where one operation increments one element...

Dev.to · arham ahmed
⚡ Algorithms & Data Structures
3w ago
XGBoost Explained: From Gradient Boosting to Weighted Quantile Sketch
XGBoost Introduction: XGBoost XGBoost is a tree-based algorithm. It is a...

Dev.to · Athreya aka Maneshwar
⚡ Algorithms & Data Structures
3w ago
How BitTorrent Turned Every Downloader Into a Server
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...

Dev.to · Nav
⚡ Algorithms & Data Structures
⚡ AI Lesson
3w ago
What I learned writing 1,096 tests for algorithm animations
I spent the last few months building visual walkthroughs for data structures and algorithms. Not...

Dev.to · Athreya aka Maneshwar
⚡ Algorithms & Data Structures
3w ago
Kademlia: Algo That Turned XOR Distance Into a Network
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...

Dev.to · nyaomaru
⚡ Algorithms & Data Structures
3w ago
Learn Valid Parentheses, Reverse Linked List, and Tree Max Depth with Step-by-Step Visualization in DSA View View 👀👀
Hoi hoi! I’m @nyaomaru, a frontend engineer who struggles to make game sounds. 😿 Have you used DSA...

Dev.to · Lavitra
⚡ Algorithms & Data Structures
3w ago
The Algorithm Behind "Are You Also Experiencing X?"
A symptom checker that only reads one message and immediately names a diagnosis is not doing anything...

Dev.to · akamabe
⚡ Algorithms & Data Structures
3w ago
Building a TypeScript Code Radar: What an AST Reveals That Text Search Misses
Today I started experimenting with Tree-sitter. I had heard the name before, but I had never...

Dev.to · uttesh
⚡ Algorithms & Data Structures
4w ago
Bloom Filters Explained: How a Tiny Bit Array Can Handle Millions of Lookups
Imagine you are running a website with 100 million registered users. Every time someone enters a...

Dev.to · Franchesco Romero
⚡ Algorithms & Data Structures
4w ago
Construyendo un recomendador de emparejamiento de expertos
La forma del problema Un directorio es una superficie: el miembro lo abre y adivina. Un...

Dev.to · Timevolt
⚡ Algorithms & Data Structures
⚡ AI Lesson
4w ago
Dynamic Programming: The Matrix of Patterns
The Quest Begins (The "Why") I still remember the first time I saw a dynamic programming...

Dev.to · Divyakush Punjabi
⚡ Algorithms & Data Structures
4w ago
Recursion clicks the moment you can see the call stack
Recursion is where people decide they're 'not a math person' — because it's an invisible, moving process taught with static code. Animate the stack growing and

Dev.to · Divyakush Punjabi
⚡ Algorithms & Data Structures
4w ago
People can't visualize data structures — so I built one you can watch
Data structures are taught as static diagrams for things that move. AlgoVerse turns algorithms into animated 3D scenes you can watch think.

Dev.to · Aviral Srivastava
⚡ Algorithms & Data Structures
4w ago
Vector Search Algorithms (HNSW)
Navigating the Infinite: How HNSW Helps Us Find Needles in a Haystack (of...

Dev.to · Word Scrambler
⚡ Algorithms & Data Structures
1mo ago
Building a Fast Word Unscrambler: The Algorithm Behind Anagram Solving
I recently built WordScrambler, a free tool for unscrambling letters and solving anagrams, mostly out...

Dev.to · Dhruv Jani
⚡ Algorithms & Data Structures
1mo ago
How I Got a Job Offer as a Fresher in an AI-Fearing Market — Without LeetCode or Club Leaderships on My Resume
I didn't have an impressive LeetCode profile. I wasn't a club president. I didn't have a stack of...

Dev.to · Timevolt
⚡ Algorithms & Data Structures
1mo ago
The LeetCode Journey: Mastering Two Pointers Like a Jedi
The Quest Begins (The "Why") Honestly, I still remember the first time I opened LeetCode...

Dev.to · Fer Rios
⚡ Algorithms & Data Structures
1mo ago
LeetCode 151: Reverse Words in a String in Go
The problem that looks simple until the whitespace shows up You open LeetCode 151 —...

Dev.to · Lee X
⚡ Algorithms & Data Structures
1mo ago
Building a Location-Aware Discovery Engine: Why “Nearby” Isn't Just Distance
"Nearby" sounds like a simple feature. Calculate the distance between the user and every...
DeepCamp AI