itarticle clean code 笔记（3）function structure Fusion Arguments Three arguments Max. No boolean arguments 0
itarticle clean code 笔记 (2) function what makes sun shine the first rule of funtions Are you out of mind where do classes go to hide one thing extract untill your drop conculsion 0
itarticle memory management in obj-c Use ARC to make Reference Counting Easier Release References and Clean Up Observation State Only in dealloc Beware of Memory Management with Exception-Safe Code Use Weak References to Avoid Retain Cycles Use Autorelease Pool Blocks to Reduce High-Memory Waterline 0
