Devanshu Biswas - DEV Community

Devanshu Biswas

Jul 14

Day 23: Change config without a restart, keep secrets out of git

#springboot #java #microservices #backend

4 min read

Devanshu Biswas

Jul 14

Beam Search vs Sampling: how a model turns probabilities into words

#ai #llm #machinelearning #beginners

3 min read

Devanshu Biswas

Jul 14

Knowledge Distillation: teaching a tiny model with a big one's soft answers

#machinelearning #deeplearning #ai #neuralnetworks

4 min read

Devanshu Biswas

Jul 14

Stacking: let a model learn how to combine your models

#machinelearning #datascience #ai #python

4 min read

Devanshu Biswas

Jul 14

I built a CSS gradient generator to finally understand gradients

#javascript #webdev #programming #beginners

4 min read

Devanshu Biswas

Jul 14

APE: let a model write, score, and pick your prompt for you

#ai #llm #promptengineering #beginners

4 min read

Devanshu Biswas

Jul 14

I built a multi-step wizard from scratch and it's just a tiny state machine

#javascript #webdev #css #frontend

4 min read

Devanshu Biswas

Jul 14

Building a Bubble Shooter from scratch: hex grids and flood-fill pops

#javascript #gamedev #algorithms #beginners

3 min read

Devanshu Biswas

Jul 13

Day 22: Client-side load balancing with Spring Cloud LoadBalancer

#springboot #java #microservices #backend

3 min read

Devanshu Biswas

Jul 13

Perplexity: how surprised your language model is (and why lower is better)

#ai #llm #machinelearning #beginners

3 min read

Devanshu Biswas

Jul 13

Learning-rate schedules: shaping the number that trains your network

#machinelearning #deeplearning #ai #neuralnetworks

2 min read

Devanshu Biswas

Jul 13

SMOTE from scratch: fixing imbalanced data without just copy-pasting rows

#machinelearning #datascience #ai #python

2 min read

Devanshu Biswas

Jul 13

Your word counter is lying to you about emoji

#javascript #webdev #programming #beginners

3 min read

Devanshu Biswas

Jul 13

Multi-Agent Debate: make models argue until they agree on the right answer

#ai #llm #promptengineering #beginners

4 min read

Devanshu Biswas

Jul 13

Building a popover from scratch: flip, shift, and an arrow that tracks

#javascript #webdev #css #frontend

4 min read

Devanshu Biswas

Jul 13

Building Battleship from scratch: hidden fleets and a hunt-and-target AI

#javascript #gamedev #algorithms #beginners

2 min read

Devanshu Biswas

Jul 12

Day 21: Centralized config with a Spring Cloud Config Server

#springboot #java #microservices #backend

1

3 min read

Devanshu Biswas

Jul 12

Prompt Caching: compute a long prompt once, reuse it for ~10%

#ai #llm #beginners #productivity

4 min read

Devanshu Biswas

Jul 12

RMSNorm: LayerNorm without the mean

#machinelearning #deeplearning #ai #transformers

1

3 min read

Devanshu Biswas

Jul 12

Why a 0.98 ROC-AUC can still ship a broken classifier

#machinelearning #datascience #ai #python

3 min read

Devanshu Biswas

Jul 12

I built a SQL formatter from scratch — no library, just a tokenizer

#sql #webdev #programming #beginners

3 min read

Devanshu Biswas

Jul 12

Emotion-Prompting: one feeling-loaded sentence makes an LLM try harder

#ai #llm #promptengineering #beginners

3 min read

Devanshu Biswas

Jul 12

I built a slide-in drawer from scratch: focus trap, scroll-lock, swipe-to-close

#javascript #webdev #css #frontend

4 min read

Devanshu Biswas

Jul 12

Building Checkers from scratch: forced jumps, kings, and a minimax AI

#javascript #gamedev #algorithms #beginners

4 min read

Devanshu Biswas

Jul 10

Day 20: API Gateway — one front door for the whole system

#springboot #java #microservices #backend

1

4 min read

Devanshu Biswas

Jul 10

Agentic Memory: how an AI agent remembers across sessions

#ai #llm #agents #beginners

3 min read

Devanshu Biswas

Jul 10

Multi-head attention, explained by building it from scratch

#machinelearning #deeplearning #ai #transformers

4 min read

Devanshu Biswas

Jul 10

Learning curves: will more data help, or do you need a better model?

#machinelearning #datascience #ai #python

4 min read

Devanshu Biswas

Jul 10

JSON to YAML from zero: indentation, quoting, and the Norway problem

#javascript #webdev #programming #yaml

4 min read

Devanshu Biswas

Jul 10

Self-Refine: let the model critique its own draft, then rewrite

#ai #llm #promptengineering #beginners

3 min read

Devanshu Biswas

Jul 10

I built a sortable, resizable data table from scratch (no library)

#javascript #webdev #css #frontend

4 min read

Devanshu Biswas

Jul 10

Reversi from scratch: one bracket scan, then a greedy vs minimax AI

#javascript #gamedev #algorithms #beginners

4 min read

Devanshu Biswas

Jul 9

Day 19: Service discovery with Eureka — finding services by name

#springboot #java #microservices #backend

4 min read

Devanshu Biswas

Jul 9

Guardrails: the filters that keep a tool-using LLM from doing harm

#ai #llm #security #beginners

3 min read

Devanshu Biswas

Jul 9

How Transformers Know Word Order When Attention Doesn't Care

#machinelearning #deeplearning #ai #transformers

3 min read

Devanshu Biswas

Jul 9

SHAP from scratch: explaining one prediction, feature by feature

#machinelearning #datascience #ai #python

4 min read

Devanshu Biswas

Jul 9

URL encoding from zero: %20, encodeURIComponent vs encodeURI, and query strings

#javascript #webdev #programming #beginners

3 min read

Devanshu Biswas

Jul 9

Analogical Prompting: let the model write its own examples

#ai #llm #promptengineering #beginners

4 min read

Devanshu Biswas

Jul 9

I built a right-click menu from scratch (and here's every edge case)

#javascript #webdev #css #frontend

3 min read

Devanshu Biswas

Jul 9

Maze from scratch: carve a perfect maze with DFS, solve it with BFS

#javascript #gamedev #algorithms #beginners

4 min read

Devanshu Biswas

Jul 9

I Built a useOptimistic Lab: Instant UI With Automatic Rollback (React 19)

#react #javascript #webdev #beginners

2 min read

Devanshu Biswas

Jul 9

I Built an Animated Marble Diagram for Spring WebFlux / Project Reactor

#spring #java #reactive #backend

2 min read

Devanshu Biswas

Jul 8

useTransition vs useDeferredValue: I Built a Lab Where You Can Feel Concurrent React

#react #javascript #webdev #performance

2 min read

Devanshu Biswas

Jul 8

I Built an N+1 Query Visualizer (JPA/Hibernate's Quietest Performance Killer)

#java #spring #database #backend

2 min read

Devanshu Biswas

Jul 8

I Built a React Error Boundary Lab (and Showed What They Can't Catch)

#react #javascript #webdev #beginners

2 min read

Devanshu Biswas

Jul 8

I Built a Resilience4j Lab: Watch a Circuit Breaker Trip (+ Retry With Backoff)

#spring #java #microservices #backend

2 min read

Devanshu Biswas

Jul 8

Day 18: Calling another service over HTTP with OpenFeign

#springboot #java #microservices #backend

3 min read

Devanshu Biswas

Jul 8

Function calling: how a model that can't do math answers "what's 23*47?"

#ai #llm #agents #beginners

3 min read

Devanshu Biswas

Jul 8

Why your deep net won't train: weight initialization

#machinelearning #deeplearning #ai #neuralnetworks

4 min read

Devanshu Biswas

Jul 8

How stores figured out diapers go with beer: Apriori from scratch

#machinelearning #datascience #ai #python

4 min read

Devanshu Biswas

Jul 8

How one word-splitter converts between every programming case

#javascript #webdev #programming #beginners

3 min read

Devanshu Biswas

Jul 8

Rephrase-and-Respond: make the model restate your question before it answers

#ai #llm #promptengineering #beginners

4 min read

Devanshu Biswas

Jul 8

Build a color picker from scratch (no native input type=color)

#javascript #webdev #css #frontend

4 min read

Devanshu Biswas

Jul 8

Flood-It from scratch: flood-fill, and why greedy isn't quite optimal

#javascript #gamedev #beginners #algorithms

4 min read

Devanshu Biswas

Jul 7

Day 17: Extracting the Inventory service from my Spring Boot monolith

#springboot #java #microservices #backend

3 min read

Devanshu Biswas

Jul 7

Why letting an AI think longer can flip a wrong answer to a right one

#ai #llm #machinelearning #beginners

4 min read

Devanshu Biswas

Jul 7

LayerNorm vs BatchNorm: why Transformers normalize per token, not per batch

#machinelearning #deeplearning #ai #nlp

3 min read

Devanshu Biswas

Jul 7

How collaborative filtering recommends from ratings alone

#machinelearning #ai #datascience #python

3 min read

Devanshu Biswas

Jul 7

How a Lorem Ipsum generator actually builds fake Latin from a real word pool

#javascript #webdev #programming #beginners

4 min read

Devanshu Biswas

Jul 7

Program-Aided Language Models: stop making the model do the math

#ai #llm #promptengineering #beginners

4 min read

Writing Debut