Programming Languages

216 articles in this topic

Pointers and Functions in C: Runnable Examples from Swap to Callbacks

Follow one object-and-address model through pointer parameters, arrays, returned pointers, callbacks, and a compact exam trace. Each result is worked out before it is run.

Updated 5 Sep 20266 min read52 viewsC

JavaScript Basics: Variables, Functions, Arrays and DOM

Learn the language rules behind JavaScript output questions, then follow one complete example from an array of scores to visible DOM nodes.

Updated 5 Sep 20265 min readJava

Loops in Python: for, while, range(), break and continue

Learn to predict Python loop output one pass at a time, choose the right loop, and avoid boundary, update, and list-modification errors.

Updated 5 Sep 20266 min readPython

PHP Learning Roadmap: Core Syntax to a Tested Laravel App

Follow a practical 12-week path from typed PHP and Composer to safe database access, feature tests and a Laravel rebuild, using one application throughout.

Updated 4 Sep 20265 min readProgramming Languages Survey

C++ Compiler Warnings and Sanitizers: Catch Bugs Early

Build a practical C++ safety net with strict warnings and sanitizer runs. Three small programs show how to find, explain and fix defects before they spread.

Updated 4 Sep 20266 min readC++

Memory Management in C: Stack, Heap, malloc, calloc, realloc and free with a Worked Example

Learn how C object lifetimes, allocation functions, ownership, bounds, and cleanup fit together through a complete resizable-array example.

Updated 4 Sep 20266 min readC

Inner Classes in Java: Types, Scope Rules and Four Runnable Examples

Learn when Java nested types need an outer object, what they can capture, and how scope resolution works through four runnable programs and one short trace.

Updated 3 Sep 20266 min readJava

Python Loop Patterns and Idioms: A Practical Tutorial

Move beyond manual counters and fragile flags. Learn the Python loop idioms that make iteration, filtering, aggregation, pairing, and search easier to read.

Updated 3 Sep 20265 min readPython

Best Programming Language for Placements: Test Python, Java or C++ in 4 Weeks

Choose a placement coding language with evidence. This four-week trial checks employer support, timed results, explanation skill and debugging comfort before you commit.

Updated 2 Sep 20266 min readProgramming Languages Survey

C++ Arrays vs std::array vs std::span: Choose the Right Interface

Run the same five integers through raw-array, std::array and std::span interfaces, then choose from their ownership, size and lifetime contracts.

Updated 2 Sep 20266 min readC++

Dynamic Memory Allocation in C: malloc, calloc, realloc and free with a Worked Example

A runnable marks example shows how C requests, initializes, grows and releases runtime storage, with checked byte counts, ownership and safe realloc handling.

Updated 2 Sep 20265 min readC

JavaScript Strings Tutorial: Methods, Template Literals, and Runnable Examples

Learn strings from their delimiters and zero-based indexes through searching, cleaning, and coercion. Each example is runnable, including a complete input-to-key transformation.

Updated 2 Sep 20265 min readJava