Olivia A. Gallucci: The Mach Object (Mach-O) is the binary format used on Apple’s operating systems for executables, libraries, and object code. It was created for the Mach kernel (hence the name) and introduced in NeXTSTEP, the predecessor to macOS, as a replacement for the a.out format. […]In this post, we’ll explore Mach-O’s layout and […]

Howard Oakley: Spotlight is so substantial, almost silent in the log, and impenetrable that the best approach to diagnosing its problems is to test it out in a controlled way. Mints has been doing that by creating a folder of files containing an unusual word, then searching for that. Although that’s still useful for a […]

Alexander Gromnitsky (via Hacker News): At the time of writing, the most recent Adobe Reader 25.x.y.z 64-bit installer for Windows 11 weights 687,230,424 bytes. After installation, the program includes ‘AI’ (of course), an auto-updater, sprinkled ads for Acrobat online services everywhere, and 2 GUIs: ’new’ and ‘old’. It looks like a steady, pretty linear increase […]

Miguel Arroz (Mastodon): PaperVault stores information as sequences of QR Codes you can print and scan easily, protected by a password only you know. Data is secured using industry-standard robust encryption algorithms.[…]Vendor lock-in is a bad thing. Your data is yours and I don’t want to hold it hostage. Therefore, I’m publishing the data format […]

VintageApple: Nick R. was generous enough to send me his entire vintage Mac programming library to be destructively scanned and shared with the community. We’ve added a few of our own for a pretty huge collection (over 150) of vintage Mac programming related books. Via Rui Carmo: [This] is a great resource for people interested […]