Bits

The alloca() function allocates size bytes of space in the stack frame of the caller. This temporary space is automatically freed when the function that called alloca() returns to its caller.

A guide to understanding and using the -fsigned-char and -funsigned-char GCC options to control the signedness of plain char.

The nonnull attribute specifies that some function parameters should be non-null pointers. This allows the compiler to check at compile-time if a null pointer is passed to these arguments.

How to launch a package via ADB commands.

Exploring why NULL and 0 are not equivalent in GNU C through pre-processor results and memory analysis.

The cleanup attribute runs a function when a variable goes out of scope. This attribute can only be applied to auto function scope variables.

Explore the -Wformat option in GCC to detect format string errors and security vulnerabilities at compile time.

How to resolve 'read-only file system' errors by disabling dm-verity and remounting partitions via ADB.

How to use 'pm2 startup' to ensure PM2 processes start automatically after a system reboot.

A guide to flashing the compiled LineageOS 14.1 ROM and recovery image to the Samsung Galaxy Note 8.0 (n5110).

Explore the internal process and usage of gcc attributes: constructor (pre-main execution) and destructor (post-main execution).

A guide to configuring a Docker build environment, syncing repositories, and compiling a custom ROM for the n5110

How to check stock market trading holidays using the exchange_calendars library in Python.

How to install and run local LLMs using Ollama and integration with OpenClaw

A fan fiction becomes an official sequel

Understanding and using the $RANDOM internal variable in Bash, including its open-source implementation

How to customize your terminal prompt using the PROMPT_COMMAND environment variable in Bash

How to create and configure a swap file to expand virtual memory on Linux systems

A quick guide to resolving the 'permission denied' issue when connecting to the Docker daemon socket by managing user groups

A step-by-step guide to enabling the SPI interface and configuring Yocto recipes for E-Paper displays

A step-by-step guide to configuring Yocto recipes and hardware setup for the GT911 touch controller

A guide to creating custom image recipes and distribution configurations in your own Yocto layer, eliminating the need for manual local.conf edits

A step-by-step guide to creating and integrating a custom meta-layer to manage your own recipes and configurations in a Yocto build for the Raspberry Pi Zero 2W