NaN in Practice: What It Is, When to Use It, and How to Parse It Safely
Practical guide to NaN: IEEE 754 behavior, parsing in different languages, when it helps, and how to protect code from silent bugs.
Cpp
The Sneaky URL Trick: Why Your C++ Compiler Won't Yell at You 馃か
A fun C++ compiler trick: you can literally write a URL in your code and it compiles perfectly. Here's why, and how goto labels and comments are secretly collaborating.
Command Injection in C/C++: Why system() with User Input is Dangerous (with Practical Examples)
A practical, beginner-friendly guide to understanding and preventing command injection vulnerabilities in C/C++ applications, with real-world examples and secure coding advice.