NQNguyen Quoc Baoinqbcodecraft.hashnode.dev·May 25, 2025 · 6 min readImage Processing: Photo Editor From Scratch (Part 1)In this project, I created a fully functional image editor using Python, NumPy, and Tkinter — with no dependency on heavy libraries like OpenCV or PIL for the core image processing. The editor includes features like: Brightness, Contrast, and Satura...00
NQNguyen Quoc Baoinqbcodecraft.hashnode.dev·Apr 7, 2025 · 7 min readDynamic Programming DemystifiedDynamic Programming (DP) is a powerful technique used to solve problems that involve making a sequence of decisions, often with overlapping sub problems. It’s widely regarded as a challenging concept, but with the right approach, it becomes a highly ...00
NQNguyen Quoc Baoinqbcodecraft.hashnode.dev·Mar 20, 2025 · 8 min readPriority Queue (Heap) Explained: Applications and Coding Challenges“We use operating systems every day—on our laptops, phones, and even embedded devices. But with limited CPU and memory, how does a computer efficiently manage multiple tasks at once? The OS must decide which process runs first.” Imagine you’re gaming...00
