摘要：
Core Data框架提供的是对象-关系映射功能，可以将Objective-C对象转化成数据，并将这些数据保存到SQLite数据库文件中。此外，Core Data也可以将保存后的数据还原成Objective-C对象。在Core Data中，表格(SQLite)和类(Objective-C)称为实... 阅读全文
摘要：
题目描述:(链接)Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a fu... 阅读全文
摘要：
题目描述:(链接)Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a targe... 阅读全文