Coding & Skills
360 articles in this topic
Intelligent and Rational Agents in AI: PEAS, Worked Decisions and Exam Traps
Learn what makes an AI agent rational, specify its task with PEAS, update a belief using Bayes' rule, and see why coordination matters in multi-agent systems.
Updated 7 Oct 20266 min readML & Data Science
JavaScript Event Delegation: Bubbling, target and currentTarget with Runnable Examples
Learn how browser events travel through the DOM, then build one delegated listener that handles nested controls and rows added later.
Updated 6 Oct 20265 min readWeb Development
Abstraction and Interfaces in Java: Abstract Classes, Contracts and Runnable Examples
Learn when Java needs an abstract class, when it needs an interface, and how both work together in one runnable charge-calculation program with exact outputs.
Updated 6 Oct 20266 min readJava
Python Control Flow and Loops: if, for, while and Worked Traces
Learn to trace Python branches and loops without skipping a state change. Worked examples cover GCD, break and continue, loop else, nested loops, and common mistakes.
Updated 6 Oct 20265 min readPython
ctype.h Functions in C: Classify Characters and Convert Case Safely
Learn which character test to choose, trace a complete C classifier, and avoid signed-char and EOF mistakes. Worked examples separate classification from case conversion.
Updated 5 Oct 20266 min readC
Queue Data Structure: Operations, Circular Queues and Worked Examples for GATE
Learn queue operations through a five-slot circular queue trace, then connect the same FIFO rule to linked lists, BFS and the two-stack implementation.
Updated 4 Oct 20266 min read57 viewsDSA & Algorithms
TypeScript vs C# Typing: Structural Compatibility, Nominal Identity, Generics and Runtime Checks
Follow one User/Admin example through TypeScript and C# to predict assignments, generic conversions, branded IDs, and JSON behaviour at runtime.
Updated 3 Oct 20266 min readProgramming Languages Survey
C++ unordered_map and unordered_set: Hashing, Equality and a Custom-Key Frequency Counter
Build a correct mental model for C++ unordered containers, then trace a custom-key counter through a real collision without merging distinct keys.
Updated 2 Oct 20266 min readC++
A* Search Algorithm: Step-by-Step Worked Example, Heuristics and Exam Traps
Learn A* from first principles, follow every relaxation on a weighted graph, and test optimality, tie-breaking, parent updates and heuristic quality.
Updated 2 Oct 20266 min readML & Data Science
JavaScript Operators: Types, Precedence and Runnable Examples
Learn how JavaScript arithmetic, assignment, comparison, logical and modern operators behave by tracing one score program from inputs to final output.
Updated 2 Oct 20266 min readWeb Development
Wrapper Classes and Autoboxing in Java: Worked Examples and Null Traps
Learn why Java wrapper classes exist, how boxing and unboxing work, and where nulls, reference identity, and overload selection create surprises.
Updated 1 Oct 20265 min readJava
Python for GATE: CS vs DA Syllabus, Past-Paper Evidence and a 10-Week Plan
Choose the right Python preparation path for GATE CS or DA, then use two worked traces and three diagnostic gates to test your progress.
Updated 1 Oct 20264 min readPython