Reproducible
engineering
experiments

Android system properties are key-value pairs maintained by Android’s property service, used by the operating system and … Read more

Keep shell scripts running after SSH disconnects using GNU Screen: master screen -S, detach (Ctrl+A d), reattach (-r), logging (-L), and nohup vs screen.

TFTP is commonly used to load bootloader, kernel, and rootfs images to embedded targets (ARM boards, routers, IoT devices) during development or recovery. It's simple (no auth/encryption), fast on local networks, and supported by most bootloaders like U-Boot.

Interrupts are vital for real-time responsiveness in Linux kernel modules. Whether you’re writing drivers for GPIOs, network … Read more

GDB (GNU Debugger) is the go-to tool for debugging C and C++ programs on Linux. One of … Read more

Learn how to debug multi-file C applications using GDB: master gcc -g debug symbols, breakpoints by filename (break file.c:line), and stack frames.

Set up Material 3 (Material Design) themes in Android: configure styles.xml, Theme.Material3.DayNight, color attributes, and dynamic colors.

Build interactive AlertDialog popups in Android with MaterialAlertDialogBuilder: single-choice radio lists, multi-choice checkboxes, and event listeners.

Use grep , sed , and find to search and replace strings across a codebase instead of doing it manually. Step 1: Find a String with grep -r — recursive -n — shows line numbers -w — matches whole word -e — the pattern Step 2: Replace a String in One File with sed -i — edits in place s — subs