Programming Languages
219 articles in this topic
Python Collections and Strings: Complete Guide with a Worked Word Counter
Choose the right built-in Python container, trace aliases and slices correctly, and combine all five types in a worked word-counting pipeline.
Updated 6 Sep 20266 min read97 viewsPython
Abstract Class in OOP: How Incomplete Classes Define Interfaces, with a Worked Example
See why an abstract class is intentionally incomplete, then trace a Java-like Shape example through subclass completion, reusable methods and runtime dispatch.
Updated 6 Sep 20266 min readProgramming Languages Survey
C++ const, constexpr and consteval: Runtime Immutability vs Compile-Time Guarantees
See exactly what each C++ keyword guarantees. One C++20 program separates immutability, optional constant evaluation and mandatory constant evaluation.
Updated 5 Sep 20266 min readC++
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 read54 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