Tag: Modules

5 posts

Jun 29, 2026 18 min read Beginner

Python Modules and Packages: import, sys.path, pip and venv

Organize Python code into modules and packages: import styles, relative imports, __init__.py, pip, requirements.txt, venv and fixing ModuleNotFoundError.
Jun 28, 2026 26 min read Beginner

Node.js Module System: CommonJS and ES Modules Explained

CommonJS vs ES modules in Node.js: require vs import, exports vs module.exports, resolution, caching, circular dependencies and "Cannot find module" fixes.
Jun 26, 2026 18 min read Intermediate

JavaScript Modules | ES Modules and CommonJS Explained

JavaScript modules: ES import/export vs CommonJS require, browser type=module, dynamic import(), bundlers (Webpack vs Vite), barrels, and Node type.
Jun 13, 2026 22 min read Advanced

C++20 Modules: export/import, Partitions and Building with GCC, Clang, MSVC and CMake

C++20 modules: export/import, partitions, global fragments, GCC/Clang/MSVC, CMake 3.28+—parse once, reuse BMIs, faster builds than plain headers.
Jun 5, 2026 12 min read Beginner

C++ Header Guards: #ifndef vs #pragma once and Portability

How #ifndef guards and #pragma once stop double inclusion, why they cannot prevent multiple definition link errors, macro collisions and circular includes.