Mar 31, 2026 · Fundamentals

Why Using = in Python Can Delete Your Data: Common Copy Pitfalls Explained

The article reveals how the Python assignment operator creates references instead of copies, leading to accidental data loss, and walks through safe copying techniques (.copy(), list(), [:]) with concrete examples, performance benchmarks, and guidance for nested structures.

Performance BenchmarkPythonassignment

0 likes · 8 min read

Why Using = in Python Can Delete Your Data: Common Copy Pitfalls Explained

AI Cyberspace

Feb 28, 2023 · Fundamentals

Mastering C Pointers: From Value Semantics to Advanced Pointer Types

This article explains C's value semantics versus reference semantics, introduces pointers as the bridge between them, details pointer definitions, types, operators, and common pitfalls such as null, dangling, and wild pointers, and demonstrates pointer arithmetic with clear code examples.

Cmemory managementprogramming fundamentals

0 likes · 12 min read

Mastering C Pointers: From Value Semantics to Advanced Pointer Types