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Backpropagation, Explained (Without the Scary Math)
Technology

Backpropagation, Explained (Without the Scary Math)

A neural network is, at heart, a very confident guesser that is wrong a lot at first. You show it a photo of a cat, it …

Abhay Abhay · Mar 30, 2026 · 4 min read
Convolutional Neural Networks (CNNs), Explained
Technology

Convolutional Neural Networks (CNNs), Explained

Show a toddler a cat once and they’ll spot cats forever — fluffy ones, grumpy ones, cats half-hidden behind a …

Abhay Abhay · Mar 27, 2026 · 4 min read
k-Nearest Neighbors (kNN), Explained
Technology

k-Nearest Neighbors (kNN), Explained

There’s an old saying that you’re the average of the five people you spend the most time with. k-Nearest …

Abhay Abhay · Mar 24, 2026 · 4 min read
Logistic Regression: The Workhorse of Classification
Technology

Logistic Regression: The Workhorse of Classification

Let’s clear up the worst-named algorithm in machine learning right away: logistic regression does classification, …

Abhay Abhay · Mar 15, 2026 · 4 min read
Gradient Boosting and XGBoost: Why It Keeps Winning
Technology

Gradient Boosting and XGBoost: Why It Keeps Winning

Every few years, someone declares that deep learning has finally conquered tabular data and the boring old …

Abhay Abhay · Mar 6, 2026 · 4 min read
Overfitting, Underfitting, and the Bias-Variance Tradeoff
Technology

Overfitting, Underfitting, and the Bias-Variance Tradeoff

There’s a student we all remember from school: the one who memorised every answer in the textbook, aced the …

Abhay Abhay · Feb 22, 2026 · 4 min read
Regression Metrics: MAE, MSE, RMSE, and R-Squared
Technology

Regression Metrics: MAE, MSE, RMSE, and R-Squared

Your regression model spits out a number. The true answer is a different number. The gap between them is the error — and …

Abhay Abhay · Feb 15, 2026 · 4 min read
Idempotency Keys: Making API Retries Safe
Technology

Idempotency Keys: Making API Retries Safe

You tap “Pay”, the spinner spins, the network coughs, and you get… nothing. No confirmation, no …

Abhay Abhay · Feb 13, 2026 · 4 min read
Ensemble Methods: Bagging, Boosting, and Stacking
Technology

Ensemble Methods: Bagging, Boosting, and Stacking

Ask a thousand strangers to guess the number of jelly beans in a jar and something faintly magical happens: the average …

Abhay Abhay · Feb 13, 2026 · 4 min read
Classification vs Regression: Which ML Problem Do You Have?
Technology

Classification vs Regression: Which ML Problem Do You Have?

Before you reach for a fancy model, ask yourself one boringly important question: am I predicting a label or a number? …

Abhay Abhay · Jan 28, 2026 · 4 min read
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