2+ hour, 20+ min ago  (234+ words) Given a sorted integer array nums, remove the duplicates in-place such that each unique element appears only once. Return the number of unique elements k. The first k elements of the array should contain the unique elements in their original order....

7+ hour, 31+ min ago  (373+ words) TL; DR " I built Shrinkray: a free, open-source image compressor & converter that runs **100% in your browser. No uploads, no servers, no tracking. Your images never leave your device. The problem Most "free" online image compressors upload your photos to a…...

2+ day, 8+ hour ago  (266+ words) A few days ago I finished benchmarking something I've been building - a cache-aware, stable, histogram-based sorting algorithm I'm calling Bus Sort. The results surprised even me. At 100 million elements, it runs ~2x faster than Java's Dual-Pivot Quicksort on random data - while…...

6+ day, 21+ hour ago  (335+ words) Getting an image "web-ready" is really three decisions made in order: resize first, then choose a format, then compress. Do them in that order and you usually cut file size by 80-95% with no visible quality loss. Here's how to actually…...

1+ week, 3+ day ago  (675+ words) Power it on, and it's supposed to be ready to go on its own, no operator steps. Then one day, after a couple of restarts, it just. .. wasn't. Here's the clever safety workaround that quietly caused it. The setup I…...

1+ week, 5+ day ago  (959+ words) I built a Metal viewer on i Phone that re-lights an already-captured 3 D scene with any lighting you. .. Tagged with ios, metal, graphics, 3d....

1+ week, 6+ day ago  (1233+ words) The dangerous moment isn't when the debt appears. It's when everyone agrees it's there " and decides to keep building on top of it anyway. I've seen that shift happen in almost every engineering team I've worked with. It doesn't announce…...

2+ week, 22+ min ago  (638+ words) This guide explores the five most critical challenges in high-resolution camera design engineering and their technical solutions, with a focus on embedded systems, product design, and real-world deployment scenarios. Chromatic aberration in camera design causes color fringing that degrades image…...

2+ week, 2+ day ago  (1308+ words) The guy selling it kept apologizing for the firmware. "Wi Fi crashes sometimes if Bluetooth is enabled." Then he smiled like that was part of the charm. That feeling keeps appearing lately. Not just in electronics circles either. Everywhere. People…...

2+ week, 5+ day ago  (1385+ words) If you've tried to build an Android camera app that records with the screen off, you've hit the wall I'm about to describe. The Camera2 session works fine while the app is foregrounded. You lock the screen. A few seconds later…...