Kifsif questions

• Hello, world without main method (by Horstmann)
• For each loop: can we populate an array?
• C++: subtract vectors
• Instance of an abstract class [duplicate]
• PostgresQL: how to start up the database server and create a database
• MySQL: What does % stand for in host column and how to change user's password
• Python 3: Asterisk in print function
• Python 3: send method of generators
• Python 3: EOF when reading a line (Sublime Text 2 is angry)
• Python 3: starred expression to unpack a list

Kifsif answers