Coding & Skills
391 articles in this topic
Loops in C: for, while and do-while with worked examples
Learn how C loops initialise, test, execute and update. Trace complete programs, diagnose common bugs and practise choosing the right loop.
Updated 23 Jul 20266 min read60 viewsC++
Artificial Intelligence for GATE: Syllabus Areas, Weightage Pattern and Prep Order
AI is tested through the GATE DA paper, not as a section of GATE CS. See what to study, how recent papers have distributed marks, and which order avoids rework.
Updated 22 Jul 20265 min readML & Data Science
Structures and Unions in C: Padding, Alignment and Worked sizeof Problems for GATE
Calculate structure and union sizes byte by byte, see where padding enters, and learn how member order changes the result.
Updated 22 Jul 20267 min read63 viewsC
React Interview Questions for Freshers: Hooks, Reconciliation and the State Choices That Get Tested
Fresh React interviews are won by tracing renders, not reciting definitions. Learn the stale-closure trap, stable keys and a practical state-management decision rule.
Updated 29 Jul 20265 min readWeb Development
Java 8 to Java 21 Features Interviewers Actually Ask: Streams, Records, Sealed Classes and Virtual Threads
Learn the modern Java features that lead to real interview follow-ups, with small code examples, version boundaries and the limits a strong answer should mention.
Updated 25 Jul 20265 min read417 viewsJava
Python Interview Questions for Freshers 2026: Core Language, Data Structures and Coding
Prepare concise, accurate answers to Python fresher interview questions, then test your object model on mutable defaults, complexity, coding patterns and output traps.
Updated 26 Jul 20266 min read62 viewsPython
Minimum Spanning Tree for GATE: Kruskal and Prim Numericals with Unique-MST Questions
Run Kruskal and Prim on the same weighted graph, verify their common cost, and use cut, cycle, and equal-weight reasoning to answer uniqueness questions.
Updated 21 Jul 20266 min readDSA & Algorithms
Arrays in C: Declaration, Initialization and Worked Examples
Learn how C arrays behave through exact contents, safe loop bounds, function calls and two-dimensional traversal. A complete program traces sum, average and maximum.
Updated 21 Jul 20266 min readProgramming Languages
Object Oriented Technology Explained: Four Pillars, Worked Java Examples, GATE and Interview Patterns
Build object oriented technology on one running Java example. Learn the four pillars, trace exact outputs, and separate overloading from overriding.
Updated 21 Jul 20266 min readProgramming Languages Survey
C++ Tutorial: The Complete Learning Path from First Program to STL
Learn C++ in the order that makes difficult ideas manageable. This roadmap gives you six stages, practical checkpoints and a clear route into exam and placement practice.
Updated 21 Jul 20266 min read179 viewsC++
Approaches to AI: The Four Approaches, a Worked Rational-Agent Example, and How Exams Test Them
Separate the four classic approaches to AI, score a rational vacuum agent step by step, and learn the distinctions that matter in exams and interviews.
Updated 26 Jul 20265 min read108 viewsML & Data Science
Functions in C: Call by Value vs Simulated Call by Reference and the Swap Question Family
See why a normal C swap changes only local copies, then trace the pointer version and the aliasing, increment, array, struct, and lifetime traps around it.
Updated 20 Jul 20266 min readC