Devanshu Biswas - DEV Community

Devanshu Biswas

Jun 16

How a Neural Network Actually Learns — Training, in Plain Words

#ai #machinelearning #beginners #datascience

2 min read

Devanshu Biswas

Jun 16

The XOR Problem: Why Neural Nets Needed Hidden Layers

#machinelearning #ai #deeplearning #beginners

2 min read

Devanshu Biswas

Jun 16

Decision Trees From Scratch: Yes/No Questions That Carve Up Data

#machinelearning #javascript #ai #beginners

2 min read

Devanshu Biswas

Jun 16

I Built Live Captions in the Browser — No API Key, No Server

#javascript #webdev #ai #beginners

2 min read

Devanshu Biswas

Jun 16

HyDE: The RAG Trick Where You Answer the Question BEFORE You Search

#ai #rag #llm #beginners

1

2 min read

Devanshu Biswas

Jun 16

I Rebuilt Notion's Slash Menu (/) in ~70 Lines of JavaScript

#javascript #webdev #css #beginners

1

2 min read

Devanshu Biswas

Jun 16

I Built Space Invaders in ~120 Lines of Vanilla JavaScript

#javascript #gamedev #beginners #webdev

1

2 min read

Devanshu Biswas

Jun 16

I Built a Real Weather App With React Native — Same React, Now on Your Phone

#reactnative #react #mobile #beginners

1

2 min read

Devanshu Biswas

Jun 15

I Built a Webcam Sign-Language Reader in the Browser (No Cloud)

#javascript #ai #webdev #beginners

3 min read

Devanshu Biswas

Jun 15

RAG Rerank: the Highest-Leverage Upgrade to Your Retrieval Pipeline

#ai #promptengineering #llm #beginners

2

3 min read

Devanshu Biswas

Jun 15

I Rebuilt Slack's Message Box With Plain HTML, CSS and JS

#css #webdev #frontend #beginners

2

2 min read

Devanshu Biswas

Jun 15

I Built Frogger in 120 Lines of Vanilla JavaScript

#javascript #gamedev #beginners #webdev

2 min read

Devanshu Biswas

Jun 15

What a Neural Net Actually Does — the Intuition, No Math

#ai #machinelearning #beginners #webdev

3 min read

Devanshu Biswas

Jun 15

Backpropagation From Scratch: How a Neural Network Actually Learns

#deeplearning #machinelearning #javascript #beginners

3 min read

Devanshu Biswas

Jun 15

K-Means From Scratch: Finding Groups in Data With No Labels

#machinelearning #javascript #beginners #datascience

1

3 min read

Devanshu Biswas

Jun 15

I Built a Real Phone App With Flutter — One Codebase for iOS + Android

#flutter #mobile #dart #beginners

3 min read

Devanshu Biswas

Jun 15

I Built Speech-to-Text That Runs 100% On My Machine — No Cloud, No API Key (Whisper)

#ai #machinelearning #tutorial #beginners

4 min read

Devanshu Biswas

Jun 15

I Built a Study-Notes Summarizer in the Browser — No AI API, Just Word-Frequency Scoring

#javascript #webdev #beginners #tutorial

1

4 min read

Devanshu Biswas

Jun 15

I Built Flappy Bird in 120 Lines of Vanilla JavaScript (No Engine)

#javascript #gamedev #beginners #webdev

2

5 min read

Devanshu Biswas

Jun 15

Embeddings Explained Simply: How AI Turns Words Into a Map of Meaning

#ai #machinelearning #beginners #webdev

3 min read

Devanshu Biswas

Jun 15

ReAct + Tools: How an LLM Actually Uses a Calculator and a Search Engine

#ai #promptengineering #llm #beginners

1

5 min read

Devanshu Biswas

Jun 15

I Cloned the Discord Chat UI With Pure CSS — Here's How the Layout Works

#css #webdev #frontend #beginners

3 min read

Devanshu Biswas

Jun 15

The Forward Pass, Demystified: How a Neural Network Turns Inputs Into an Answer

#deeplearning #machinelearning #javascript #beginners

3 min read

Devanshu Biswas

Jun 15

k-Nearest Neighbors From Scratch: the ML Algorithm With No Training Step

#machinelearning #javascript #beginners #datascience

4 min read

Devanshu Biswas

Jun 14

Tokens: Why ChatGPT Can't Count the R's in 'Strawberry'

#ai #llm #beginners #machinelearning

1

1 min read

Devanshu Biswas

Jun 14

Activation Functions: Why a 100-Layer Network Without Them Is Still One Line

#deeplearning #machinelearning #beginners #javascript

1 min read

Devanshu Biswas

Jun 14

Logistic Regression From Scratch: the Same Gradient Descent, Squashed Through a Sigmoid

#machinelearning #javascript #beginners #datascience

2 min read

Devanshu Biswas

Jun 14

A Resume Bullet Improver in 40 Lines of Regex (No AI Needed)

#javascript #career #beginners #webdev

1 min read

Devanshu Biswas

Jun 14

Tree of Thoughts: How to Make an LLM Explore Instead of Guess

#ai #llm #beginners #tutorial

2 min read

Devanshu Biswas

Jun 14

Spotify's Now-Playing Bar Is Just One CSS Grid + a Ticking Width

#css #javascript #webdev #beginners

1 min read

Devanshu Biswas

Jun 14

I Built Minesweeper in ~50 Lines — the Only Hard Part Is Flood-Fill

#javascript #gamedev #beginners #tutorial

1 min read

Devanshu Biswas

Jun 14

I Built 'Chat With Your Docs' From Scratch — Supabase + pgvector + a Free Local Embedder

#ai #rag #supabase #beginners

2 min read

Devanshu Biswas

Jun 14

AI Radar #1 — the Week the US Pulled Anthropic's Most Powerful Models

#news #ai #machinelearning #technology

2 min read

Devanshu Biswas

Jun 13

AI vs ML vs DL — the Nested Circles That Finally Make It Click

#ai #machinelearning #beginners #deeplearning

2 min read

Devanshu Biswas

Jun 13

I Built a Neural Network's First Neuron From Scratch — the 1958 Perceptron

#deeplearning #machinelearning #javascript #beginners

2 min read

Devanshu Biswas

Jun 13

I Trained a Machine-Learning Model From Scratch in 40 Lines (No scikit-learn)

#machinelearning #javascript #beginners #tutorial

2 min read

Devanshu Biswas

Jun 13

I Built a GitHub Repo Health Scorer with the Free Public API

#javascript #github #api #beginners

2

2 min read

Devanshu Biswas

Jun 13

RAG Explained: Retrieve, Then Answer (the Prompt That Kills Hallucinations)

#ai #llm #beginners #tutorial

2 min read

Devanshu Biswas

Jun 13

A Notion-Style Calendar Is Just One CSS Grid

#css #javascript #webdev #beginners

2 min read

Devanshu Biswas

Jun 13

I Built 2048 in One Function and a 4 4 Array

#javascript #gamedev #beginners #tutorial

1

2 min read

Devanshu Biswas

Jun 13

I Built a Search Engine That Understands Meaning — in ~150 Lines, Zero API Keys

#ai #postgres #beginners #tutorial

1

3 min read

Devanshu Biswas

Jun 10

I Built an Offline AI Crop Disease Identifier for Smart India Hackathon

#ai #python #beginners #hackathon

2

3 min read

Devanshu Biswas

Jun 10

Show Your LLM 2 Examples and It Will Copy the Format Forever — Few-Shot Prompting

#ai #llm #prompting #beginners

1

3 min read

Devanshu Biswas

Jun 10

I Built Breakout by Adding 10 Lines to My Pong Code

#javascript #gamedev #canvas #beginners

2

1

2 min read

Devanshu Biswas

Jun 10

I Cloned Arc Browser's Sidebar in 50 Lines of HTML — Pastel Gradient + Glass Sidebar

#design #tailwindcss #html #beginners

1

2 min read

Devanshu Biswas

Jun 10

I Shipped a Realtime Collab App in 3 Lines of React — No WebSocket Plumbing

#convex #react #realtime #beginners

1

3 min read

Devanshu Biswas

Jun 9

I Built a Dashcam Pothole Detector for Smart India Hackathon — YOLOv8 + GPS + Civic API

#ai #python #beginners #hackathon

1

4 min read

Devanshu Biswas

Jun 9

Sample Your LLM 5 Times and Take a Majority Vote — Accuracy Jumps 35 Points

#ai #llm #prompting #beginners

1

3 min read

Devanshu Biswas

Jun 9

I Built Tetris in 150 Lines of JavaScript — 7 Pieces, Rotation, Line Clear

#javascript #gamedev #canvas #beginners

1

3 min read

Devanshu Biswas

Jun 9

I Cloned Vercel's Deploy Log in 30 Lines of Vanilla JavaScript

#javascript #design #html #beginners

1

3 min read

Devanshu Biswas

Jun 9

I Shipped a 600 KB Native Desktop App with the Same HTML I'd Put on Vercel

#tauri #rust #desktop #beginners

1

3 min read

Devanshu Biswas

Jun 7

I Built the Resume-vs-JD Scorer Every ATS Uses — In 30 Lines of JavaScript

#javascript #nlp #beginners #hackathon

1

3 min read

Devanshu Biswas

Jun 7

7 Magic Words That Make Your LLM 10 Smarter at Math

#ai #llm #prompting #beginners

1

4 min read

Devanshu Biswas

Jun 7

I Built Pong in 60 Lines of JavaScript — Five State Variables and a setInterval

#javascript #gamedev #canvas #beginners

1

4 min read

Devanshu Biswas

Jun 7

I Cloned Linear's Sidebar in 50 Lines of HTML — One File, Zero npm

#design #tailwindcss #html #beginners

1

4 min read

Devanshu Biswas

Jun 7

I Built a Browser-to-Browser Video Chat in 250 Lines — Zero Backend, Zero SDKs, Zero Cost

#webrtc #nextjs #javascript #beginners

4

2

6 min read

Devanshu Biswas

Jun 6

I Built a ChatGPT-Clone in 100 Lines of Next.js (Streaming + Tools + One-Line Provider Swap)

#ai #nextjs #typescript #beginners

1

4 min read

Devanshu Biswas

Jun 1

I Built a Custom Tool Server for Claude in 250 Lines of TypeScript

#ai #anthropic #typescript #beginners

1

5 min read

Devanshu Biswas

May 25

I Compiled Rust to WebAssembly and Made My JavaScript 6 Faster

#rust #webassembly #javascript #beginners

3

5 min read

Devanshu Biswas

May 23

I Built a Text-to-Image Search Engine That Runs Entirely in the Browser

#ai #machinelearning #webdev #beginners

5 min read

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