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刷新整个tableView[self.tableView reloadData];刷新局部cellNSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];[self.tableView reloadRowsAtInde... 阅读全文
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stat, fstat, fstatat 和 lstat函数：stat函数返回与pathname命名文件相关的信息结构；fstat函数返回已在文件描述符fd打开文件的相关信息；lstat函数与stat函数类似，但当命名文件是一个符号链接时，返回该符号链接的相关信息；fstatat函数为相对于当前打开... 阅读全文
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题目描述：Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.For... 阅读全文
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题目描述：Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order re... 阅读全文
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文件描述符：进程通过文件描述符来操作文件，文件描述符可以通过open, openat, creat系统调用返回;shell和其他应用默认打开标准输入(STDIN_FILENO),标准输出(STDOUT_FILENO),标准错误(STDERR_FILENO)三个文件描述符。open和openat函数：... 阅读全文
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0 导读 缩写：构造函数ctor 析构函数 dtor 1 让自己习惯C++ C++次语言：C, Object_Oriented C++, Template C++, STL 以const, enum, inline替换#define const 成员函数承诺绝对不改变其对象的... 阅读全文
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题目描述：Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4... 阅读全文
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题目描述：Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".解题方案： 1 class Solution { 2 public: 3 s... 阅读全文
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题目描述：You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a si... 阅读全文
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题目描述：Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transactio... 阅读全文