Coding & Skills

369 articles in this topic

Executor Framework in Java: Thread Pools, Futures and Runnable Examples

Separate tasks from threads, trace a two-worker pool, and learn how futures, shutdown, cancellation and bounded queues behave in Java.

Updated 22 Sep 20266 min readJava

CSV Files Explained: Parsing Rules, Worked Records and Exam Traps

Learn why commas and newlines are not always boundaries, trace a quote-aware parser, validate text fields with a schema, and calculate processing costs.

Updated 22 Sep 20265 min readPython

Shortest Path Algorithms: Dijkstra, Bellman-Ford and Floyd-Warshall with Worked Examples for GATE CS

Learn the relaxation idea behind shortest paths, trace three core algorithms by hand, and choose the right method from edge weights and source count.

Updated 21 Sep 20265 min readDSA & Algorithms

C# Tutorial for Beginners: Types, Classes, LINQ and a First Console App

Build a complete C# console app around five candidate records. Learn how types, nullable references, classes, generic lists and LINQ work together, with every output and average checked by hand.

Updated 21 Sep 20266 min readProgramming Languages Survey

C++ stack, queue and priority_queue: Adapter Behaviour with Traced Examples

Trace the same values through std::stack, std::queue and std::priority_queue, then learn comparator tie-breaking, operation costs and safe pop patterns.

Updated 21 Sep 20266 min readC++

Inference Mechanisms in First Order Logic: Unification, Chaining, Resolution and Worked Proofs

See how substitutions turn First Order Logic rules into proofs. One Horn-clause example connects generalized modus ponens, forward and backward chaining, and resolution.

Updated 21 Sep 20265 min readML & Data Science

React State Updates: Trace Queues, Batching and Functional Setters

Follow one React counter from its captured state through replacement updates, functional updaters and a batched next render, with every queue entry traced.

Updated 21 Sep 20265 min readWeb Development

Generics in Java: Type Parameters, Bounds, Wildcards and Runnable Examples

Build type-safe Java containers, then trace generic methods, upper bounds, wildcard reads and writes, invariance, erasure, and common failure cases.

Updated 21 Sep 20266 min readJava

Polymorphism and Dunder Methods in Python: Runnable Examples and Exercises

See how one Python operation supports different types, then build a Vector2D class with readable output, addition, magnitude and equality. Includes runnable code, protocol failures and exercises.

Updated 21 Sep 20265 min readPython

Time Complexity Analysis of Algorithms: Big-O, Recurrences, and Worked Examples for GATE and Interviews

Learn to count operations, compare asymptotic bounds, analyse loops, solve divide-and-conquer recurrences, and explain best and worst cases with confidence.

Updated 20 Sep 20267 min readDSA & Algorithms

C# Learning Roadmap: 24 Weeks from Basics to ASP.NET Core

Follow an ordered 24-week C# plan that turns one console StudyTracker into a tested ASP.NET Core API, with clear phase gates and worked results.

Updated 20 Sep 20265 min readProgramming Languages Survey

C++ set and map: Ordered Containers, Custom Keys and Bounds

See how one comparator controls traversal, uniqueness and bounds in C++ ordered containers. Two student examples make rejected inserts and map updates concrete.

Updated 20 Sep 20266 min readC++