alexander questions

alexander answers

• How to find the executable files in the current directory and find out their extensions?
• errno after accept in Linux socket programming
• Makefile variable substitution apparently not done even though := is used in declaration
• How to know where I am booting from
• Is there an option to GNU ld to omit -dynamic-linker (PT_INTERP) completely?
• Appending to crontab with a shell script on Ubuntu
• Optimizing an arithmetic coder
• Buildroot custom kernel under 1MB
• packing 10 bit values into a byte stream with SIMD [duplicate]
• How to escape a systemd Specifier to pass to the command in ExecStart