Devanshu Biswas - DEV Community

Devanshu Biswas

Jun 24

OrderHub Day 5: Clean Error Handling With RFC-7807 ProblemDetail (Spring Boot)

#java #spring #webdev #beginners

1 min read

Devanshu Biswas

Jun 24

RAG Explained: Give an LLM Your Own Knowledge

#ai #rag #llm #beginners

1 min read

Devanshu Biswas

Jun 24

Diffusion Models Explained: Turning Noise Into Images

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 24

Gradient Boosting From Scratch: Weak Trees Fixing Each Other

#machinelearning #ai #datascience #beginners

1 min read

Devanshu Biswas

Jun 24

I Built a JSON Formatter & Validator in the Browser (No Library)

#javascript #webdev #json #beginners

1 min read

Devanshu Biswas

Jun 24

Chain-of-Verification: Make an LLM Fact-Check Itself

#ai #llm #rag #beginners

1 min read

Devanshu Biswas

Jun 24

I Built a Drag-and-Drop Kanban Board With Zero Libraries

#javascript #css #webdev #beginners

1 min read

Devanshu Biswas

Jun 24

I Built Doodle Jump in Vanilla JS (the Endless Bouncer)

#javascript #gamedev #webdev #beginners

1 min read

Devanshu Biswas

Jun 23

OrderHub Day 4: Bean Validation + Clean DTOs (Spring Boot)

#java #spring #webdev #beginners

1 min read

Devanshu Biswas

Jun 23

Vector Databases: Search by Meaning, at Scale

#ai #llm #database #beginners

1

1 min read

Devanshu Biswas

Jun 23

GANs Explained: Two Networks That Make Fakes Real

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 23

PCA From Scratch: Compress Data, Keep the Signal

#machinelearning #ai #datascience #beginners

1 min read

Devanshu Biswas

Jun 23

I Built a Live Regex Tester on the Browser's RegExp Engine

#javascript #regex #webdev #beginners

1 min read

Devanshu Biswas

Jun 23

Reranking: Retrieve Fast, Then Reorder Precisely (Better RAG)

#ai #rag #llm #beginners

1

1 min read

Devanshu Biswas

Jun 23

The Circular Progress Ring Is Just One SVG Circle + Two CSS Props

#css #svg #webdev #beginners

1

1 min read

Devanshu Biswas

Jun 23

I Built Simon (the Memory Game) in Vanilla JS + Web Audio

#javascript #gamedev #webdev #beginners

1 min read

Devanshu Biswas

Jun 22

OrderHub Day 3: Versioned Schema With Flyway Migrations (Spring Boot)

#java #spring #database #beginners

1

1 min read

Devanshu Biswas

Jun 22

Embeddings: Turning Meaning Into Numbers

#ai #llm #machinelearning #beginners

1 min read

Devanshu Biswas

Jun 22

Transformers From Scratch: Assembling the Block Behind GPT

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 22

K-Means From Scratch: Finding Groups With No Labels

#machinelearning #ai #javascript #beginners

1 min read

Devanshu Biswas

Jun 22

I Built a Diff Checker With the LCS Algorithm (Live in the Browser)

#javascript #algorithms #webdev #beginners

1

1 min read

Devanshu Biswas

Jun 22

HyDE: Search With a Hypothetical Answer, Not the Question

#ai #rag #llm #beginners

1 min read

Devanshu Biswas

Jun 22

I Rebuilt GitHub's Contribution Graph in CSS Grid

#css #javascript #webdev #beginners

1 min read

Devanshu Biswas

Jun 22

I Built Connect Four With a Minimax AI (Vanilla JS)

#javascript #gamedev #webdev #beginners

1 min read

Devanshu Biswas

Jun 21

OrderHub Day 2: Persisting Orders with JPA + PostgreSQL (Spring Boot)

#java #spring #database #beginners

1 min read

Devanshu Biswas

Jun 21

Tokenization: How LLMs Actually Read Your Text

#ai #llm #machinelearning #beginners

1 min read

Devanshu Biswas

Jun 21

Attention From Scratch: How Transformers Read Everything at Once

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 21

Support Vector Machines From Scratch: the Widest-Margin Classifier

#machinelearning #ai #javascript #beginners

1 min read

Devanshu Biswas

Jun 21

I Built a Colour-Palette Extractor That Runs 100% in the Browser

#javascript #webdev #beginners #html

1 min read

Devanshu Biswas

Jun 21

Corrective RAG (CRAG): Grade the Retrieval, Then Fix It

#ai #rag #llm #beginners

1 min read

Devanshu Biswas

Jun 21

I Rebuilt the macOS Dock Magnify Effect in CSS + JS

#css #javascript #webdev #beginners

1 min read

Devanshu Biswas

Jun 21

I Built the Chrome Dino Game (Endless Runner) in Vanilla JS

#javascript #gamedev #webdev #beginners

1 min read

Devanshu Biswas

Jun 20

AI Agents Explained: the Thought-Action-Observation Loop

#ai #llm #beginners #machinelearning

1

1 min read

Devanshu Biswas

Jun 20

Fine-tuning vs RAG: Two Ways to Teach an LLM

#ai #rag #llm #beginners

1 min read

Devanshu Biswas

Jun 20

Temperature and Sampling: the LLM Creativity Dial

#ai #llm #beginners #machinelearning

1 min read

Devanshu Biswas

Jun 20

The Context Window: an LLM's Short-Term Memory, Explained

#ai #llm #beginners #machinelearning

1

1 min read

Devanshu Biswas

Jun 20

Why LLMs Hallucinate, and How to Reduce It

#ai #llm #machinelearning #beginners

1

2 min read

Devanshu Biswas

Jun 20

LSTM and GRU: the Gates That Let a Network Remember

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 20

RNNs From Scratch: a Network With a Memory of the Past

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 20

Pooling in CNNs: Shrink the Map, Keep What Matters

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 20

CNNs From Scratch: the Convolution That Sees Images

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 20

Optimizers Explained: SGD vs Momentum vs Adam, Visualized

#machinelearning #deeplearning #ai #beginners

1 min read

Devanshu Biswas

Jun 20

Random Forest From Scratch: Many Weak Trees Beat One Strong Tree

#machinelearning #ai #javascript #beginners

1 min read

Devanshu Biswas

Jun 20

Feature Scaling: Why One Big Number Drowns Your Model

#machinelearning #ai #beginners #datascience

1 min read

Devanshu Biswas

Jun 20

Why Accuracy Lies: Precision, Recall and F1 From Scratch

#machinelearning #ai #beginners #datascience

1

1 min read

Devanshu Biswas

Jun 20

Overfitting Made Visible: Train/Test and the U-Shaped Error Curve

#machinelearning #ai #beginners #datascience

1 min read

Devanshu Biswas

Jun 20

Gradient Descent From Scratch: the Engine Under All of ML

#machinelearning #ai #javascript #beginners

1 min read

Devanshu Biswas

Jun 20

I Built a Live Markdown Editor With No Library (~40 Lines)

#javascript #webdev #beginners #html

1 min read

Devanshu Biswas

Jun 20

I Built a QR Code Generator That Runs 100% in the Browser

#javascript #webdev #beginners #html

1 min read

Devanshu Biswas

Jun 20

Self-RAG: Let the Model Decide When to Retrieve, Then Grade Itself

#ai #rag #llm #beginners

1 min read

Devanshu Biswas

Jun 20

I Built a Toast Notification System in ~40 Lines (Stack, Auto-Dismiss, Variants)

#javascript #webdev #css #beginners

1

1 min read

Devanshu Biswas

Jun 20

I Built Pac-Man in ~150 Lines of Vanilla JavaScript

#javascript #gamedev #beginners #webdev

1

1 min read

Devanshu Biswas

Jun 20

I'm Building a Production-Grade Spring Boot + React App, One Feature a Day (Day 1)

#springboot #java #react #webdev

2

2 min read

Devanshu Biswas

Jun 17

What an LLM Actually Does: Predicting the Next Word, Explained

#ai #machinelearning #beginners #llm

2 min read

Devanshu Biswas

Jun 17

Loss Functions: MSE vs MAE vs Cross-Entropy, Visualized

#machinelearning #ai #deeplearning #beginners

1

2 min read

Devanshu Biswas

Jun 17

Naive Bayes From Scratch: A Spam Filter Built From Word Counts

#machinelearning #javascript #ai #beginners

1

2 min read

Devanshu Biswas

Jun 17

I Built an Image Compressor That Runs 100% in the Browser

#javascript #webdev #beginners #html

1

2 min read

Devanshu Biswas

Jun 17

RAG-Fusion: Ask the Question Many Ways, Then Fuse the Ranks (RRF)

#ai #rag #llm #beginners

2 min read

Devanshu Biswas

Jun 17

I Rebuilt the Cmd-K Command Palette in ~60 Lines of JavaScript

#javascript #webdev #css #beginners

2 min read

Devanshu Biswas

Jun 17

I Built Asteroids in ~120 Lines of Vanilla JavaScript

#javascript #gamedev #beginners #webdev

2

1

2 min read

Writing Debut