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69 min read––– viewsOctober 12, 2026
A step-by-step walk from negative numbers, HCF and LCM and fractions to trigonometry, calculus, matrices and probability, with worked examples, practice questions, pictures and reference tables.

Engineering Fundamentals Refresh: OOP, SOLID, ACID, CAP and More
21 min read––– viewsOctober 06, 2026
A plain explanation of OOP vs FP, SOLID, ACID, CAP, DRY and KISS, List, Set and Map, design patterns, system design and the STAR method, with examples, differences and trade-offs.
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Essential JavaScript Interview Questions and Answers (Basics)
35 min read––– viewsApril 20, 2025
A comprehensive guide to the most common JavaScript interview questions with clear, practical explanations and code examples.
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Mastering Java Interviews: Essential Questions and Answers (Basics)
38 min read––– viewsApril 20, 2025
A comprehensive guide to common Java interview questions with in-depth answers and code examples to help you ace your next technical interview.