Ccyan questions

• Tank game movement
• Profile having Address of different kinds and 2 profiles may share the same address
• ActionController::UnknownFormat on Bugsnag
• Rails how to use a select list for a boolean field?
• Why sizeof built in types except char is compiler dependent in C & C++?
• Rails convert secrets to credentials
• How to add more meaningful error message to has_many association?

Ccyan answers