Invariants is the key concept to writing good code. Going for a walk and thinking things through yields better code faster than iterating over it hands-on. Fr

Invariants is the key concept to writing good code. Going for a walk and thinking things through yields better code faster than iterating over it hands-on. Frameworks are overrated and often a source of ephemeral knowledge and code bloat. Think twice before committing to a framework or a 3rd party library. Also, picking a good name for a variable may take up to a day.