Coding & Skills

152 articles in this topic

Functions in C: 12 Solved MCQs on Declarations, Definitions and Function Types

Separate a C function's prototype, body and call, then practise the details through 12 explained questions covering parameters, return values and linking.

Updated 14 Aug 20268 min readProgramming Languages Survey

Templates in C++: Function and Class Templates with Runnable Examples

Learn how C++ templates turn one type-safe blueprint into reusable functions and classes. Trace deduction, fix compiler errors, and test each idea with runnable examples.

Updated 14 Aug 20266 min readC++

AI Agent Architecture and Program Types MCQs: 11 Solved Questions

Eleven solved AI agent MCQs with the trap in each one named: current-percept rules, sensor versus actuator, goal versus utility scoring, and what counts as learning.

Updated 14 Aug 20268 min readML & Data Science

Strings in C Tutorial: Declaration, Input, Functions and Worked Examples

Learn how C strings use character arrays and the null terminator, then practise safe input, traversal, reversal, library calls and capacity checks.

Updated 13 Aug 20266 min readC

React Forms: Controlled vs Uncontrolled Components, Validation and the Interview Questions

Follow the value through a state-driven form and a ref-driven form, then choose the right model for live validation, simple inputs and file uploads.

Updated 13 Aug 20265 min readWeb Development

Interface vs Abstract Class in Java: Differences, Default Methods and Exam Questions

Replace the old textbook rule with a current comparison, then solve the two-default-method conflict that appears in Java output and compilation questions.

Updated 13 Aug 20267 min readJava

Python Lists Tutorial: Create, Update, Slice and Use Lists with Examples

Learn Python lists through one clear path, from creation and indexing to mutation, comprehensions, copying, and exam-style output questions.

Updated 13 Aug 20266 min readPython

Stack and Queue Implementation in Java: Arrays, Linked Lists, and the Interview Problems That Use Them

Implement stacks and circular queues in Java, trace every pointer through wrap-around, and choose the right standard collection for real code.

Updated 12 Aug 20267 min readDSA & Algorithms

Visual Basic Programming Language: Core Concepts with a Worked VB.NET Example

Connect VB.NET syntax to a real Windows Forms event. Build and trace an invoice calculator that validates text input, applies a discount, and displays the exact result.

Updated 12 Aug 20267 min readProgramming Languages Survey

Map and Set in C++: Runnable STL Examples, Traps and Exercises

Learn when to choose std::map or std::set through complete programs, an event-by-event trace, complexity guidance, common mistakes and practice tasks.

Updated 12 Aug 20266 min readC++

Knowledge Representation in Artificial Intelligence: Logic, Semantic Networks, Frames and Rules with Worked Examples

Learn how AI stores facts and derives new ones through logic, semantic networks, frames and rules. Two worked traces make the inference steps exam-ready.

Updated 11 Aug 20266 min readML & Data Science

Multidimensional Arrays in C: 2D Arrays, Row-Major Memory and Runnable Examples

Learn how C lays out and traverses fixed-size multidimensional arrays. A complete 3-by-4 sales program connects indexing, totals, addresses and function parameters.

Updated 11 Aug 20267 min readC