storage

Android MediaStore returns inconsistent casing like 'WhatsApp' vs 'whatsapp' for files in the same folder due to case-insensitive filesystems and scan snapshots. Normalize with canonical paths, LIKE queries, and RELATIVE_PATH for reliable WhatsApp media access.

Discover the storage size of MySQL INT(11) column: always 4 bytes. Max signed value is 2,147,483,647; unsigned reaches 4,294,967,295. Learn why (11) doesn't affect storage or range, with official docs and best practices.

Learn how to resolve Android installation errors using the android:installLocation manifest attribute to install apps on external storage.

Learn to run fio with libaio on Android for raw UFS performance benchmarking, bypassing filesystem effects. Includes NDK build steps, root requirements, kernel checks, and sync/psync alternatives for accurate sequential/random bandwidth and latency.

Learn reliable cold backup methods for two local disks avoiding RAID pitfalls. Use AOMEI Backupper, Handy Backup, FreeFileSync, or Robocopy for disk mirroring, cloning, and offline rotation with verification tips.

Step-by-step guide to reformat HGST HUS723020ALS640 SAS drive from 520-byte to 512-byte sector size. Use IT-mode HBA, sg_format from sg3_utils, vendor tools. Hardware needs, RAID vs HBA, firmware risks explained.

Learn how to reduce Docker overlay2 filesystem space usage when /var/lib/docker appears to have sufficient space. Fix Nextcloud crashes with targeted overlay2 cleanup strategies.