Vayn questions

• How would you add chars to an array dynamically? Without the array being predefined?
• Flatten a list of nested lists in Erlang
• How to set one to many and one to one relationship at same time in Flask-SQLAlchemy?
• fgets doesn't work after scanf [duplicate]
• Default value of function parameter in Vim script
• What's the difference between `usize` and `u32`?

Vayn answers