NewInterview PreparationSoftware Engineering
Senior .NET Software Engineer Interview Preparation: Complete Topic Checklist
Preparing for a Senior .NET Software Engineer interview? Explore the essential topics in C#,
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5 min
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Anish Joshi / Blog
Insights, tutorials, and projects from my journey in software engineering and full-stack development.
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Machine LearningPython
Simple Linear Regression: From Theory to a Working Python Model
A beginner-friendly guide to simple linear regression using Python. Learn how to prepare data, train a regression model, make predictions, evaluate performance, and understand residuals and regression assumptions.
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8 min
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Machine LearningCalculus
Derivatives, Slopes, and Gradient Descent
Understand how derivatives measure change, how slopes become gradients, and how gradient descent uses them to minimize a loss function in machine learning.
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12 min
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Machine LearningRegression
What Really Happens Behind the Scenes in Multiple Linear Regression?
Understand what happens mathematically inside multiple linear regression. Learn how Ordinary Least Squares turns several inputs into one set of coefficients using partial derivatives and the normal equations.
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12 min
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Machine LearningRegression
What Really Happens Behind the Scenes in Linear Regression?
Understand what happens mathematically inside linear regression. Learn how Ordinary Least Squares minimizes squared errors and derives the slope and intercept using partial derivatives.
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10 min
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System DesignPatterns
System Design Patterns You Should Know
In a microservices system, the auth service has one job: verify identity and issue proof of it. Every other service trusts a signed JWT — no password checks, no shared databases. Here's exactly how the login flow works, what gets stored, and why JWT expiry is your safety net when things go wrong.
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4 min
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