Gradient questions

• How to explore a Common Lisp image
• Check if character is in string
• Understand this .bashrc script (curly braces, eval, ...)
• System calls : difference between sys_exit(), SYS_exit and exit()
• WebKitGTK+, GTK2, GTK3
• What is fastcgi_index in nginx used for?
• What is the difference between ‘mapleader’ and ‘g:mapleader’ in Vim?
• Installing Qt on linux, cannot find -lGL
• pthread_create and passing an integer as the last argument

Gradient answers