format specifiers

How can I build a Bash logger with timestamps, colors, and printf-style arguments?

I want to write Bash logging helpers that add a timestamp and a colored severity label while sending diagnostic output to stderr. Standard output should remain available for…

How can I build a Bash logger with timestamps, colors, and printf formatting?

I'm writing Bash helper functions such as log_info, log_warn, and log_error. They should add a timestamp and colored severity label, while sending diagnostic output to stderr so stdout…

What’s the difference between `%p` and `%x` when printing pointers in C?

I'm learning the basics of C and I'm confused about the difference between the `%p` and `%x` format specifiers. I understand that `%p` is used to print a…

What’s the difference between %p and %x when printing pointers in C?

I'm learning the fundamentals of C and I'm confused about the printf format specifiers %p and %x. They can both appear to print an address in hexadecimal, so…