🎯 WHY does a memory address need 8 bytes (64 bits), while an int is only 4 bytes (32 bits)? ① Because: It Depends on Address Space Size A memory address needs to be big enough to point to any pos...

🧮 Q: How many bits to count to 15? Let’s rephrase it: What’s the smallest number of bits (binary digits) you need to represent the decimal number 15? 🔥 Here’s the magic: In binary: 1 ...

⏰ Time Complexity 🔥 Big O (O) - Upper Bound “No matter what, the algorithm won’t be worse than this.” Example: O(n²) Means: In the worst case, the running time grows no faster than n². Th...

free up a finger by Using xdotool in Linux.

Successfully fixed the missing Windows boot option in systemd-boot with Pop!_OS 22.04. Step-by-step guide covering ESP partition issues, windows.conf mistakes, and the final working solution.

Master how to refresh your IPv4 address on Windows and hide your device identity with MAC spoofing. Learn DHCP basics, lease time tricks, and how to fully ghost your network presence.

Learn how to manually and automatically spoof your MAC address on Windows - from finding your NIC to writing a one-click spoofing script. Hide your device identity like a true hacker.

A Full Reverse Engineering Walkthrough of Dynamic Login Token and SHA-256 Authentication

rm-Related Commands 💻 In Bash / Linux / macOS Terminal: Command What it does rm filename Deletes a file (may ask for confirmation if aliased to rm...

Murder that terminal beep once and for all - with one tiny config spell.