Zoltan King questions

• Should I use log.Panic() or log.Fatal() with os.Open?
• Is "throws ArithmeticException" only cosmetic in the method definiton?
• What does the <primitive: xyz> statement do in a method declaration?
• how to install python packages for brew installed pythons
• How to display an animated GIF in a github README file?
• What does stylistically offset mean in HTML5?
• What is an expression in Haskell?
• zsh prompt and hostname
• Setting read/write permissions on Mongodb folder

Zoltan King answers