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[LC] 55. Jump Game
Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim ...
分类:其他好文   时间:2019-12-16 13:29:17    阅读次数:92
leetcode_1293. Shortest Path in a Grid with Obstacles Elimination_[dp动态规划]
题目链接 Given a m * n grid, where each cell is either 0 (empty) or 1 (obstacle). In one step, you can move up, down, left or right from and to an empty c ...
分类:其他好文   时间:2019-12-16 00:07:26    阅读次数:126
1053 Path of Equal Weight (30分)(并查集)
Given a non-empty tree with root R, and with weight W?i?? assigned to each tree node T?i??. The weight of a path from R to L is defined to be the sum ...
分类:其他好文   时间:2019-12-15 22:10:17    阅读次数:125
Ethical Hacking - NETWORK PENETRATION TESTING(23)
Detecting ARP Posionning Attacks ARP main security issues: 1. Each ARP requests/response is trusted. 2. Clients can accept responses even if they did ...
分类:Web程序   时间:2019-12-15 16:26:41    阅读次数:90
Ethical Hacking - NETWORK PENETRATION TESTING(22)
MITM - Wireshark WIreshark is a network protocol analyser that is designed to help network administartors to keep track of what is happening in their ...
分类:Web程序   时间:2019-12-15 16:15:57    阅读次数:96
简单搜索 红与黑:
简单搜索 红与黑: There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black tile. From a ...
分类:其他好文   时间:2019-12-15 12:18:22    阅读次数:88
【leetcode】1289. Minimum Falling Path Sum II
题目如下: Given a square grid of integers arr, a falling path with non-zero shifts is a choice of exactly one element from each row of arr, such that no t ...
分类:其他好文   时间:2019-12-15 10:26:34    阅读次数:108
【leetcode】1269. Number of Ways to Stay in the Same Place After Some Steps
题目如下: You have a pointer at index 0 in an array of size arrLen. At each step, you can move 1 position to the left, 1 position to the right in the arra ...
分类:其他好文   时间:2019-12-15 10:23:42    阅读次数:83
【免费下载】全套最新 008-2通用Mapper 视频教程+教学资料+学习课件+源代码+软件开发工具
008 2通用Mapper视频教程 网盘地址: 链接:https://pan.baidu.com/s/11TVyVHgyinOntT44eM9 eg 提取码:i05y 加公众号 获取更多新教程 教程目录大纲 ./008 2通用Mapper ├── 视频 1 │ ├── 01.通用Mapper介绍.a ...
分类:移动开发   时间:2019-12-14 14:04:14    阅读次数:115
在Asp.Net Core中集成Kafka(中)
在上一篇中我们主要介绍如何在Asp.Net Core中同步Kafka消息,通过上一篇的操作我们发现上面一篇中介绍的只能够进行简单的首发kafka消息并不能够消息重发、重复消费、乐观锁冲突等问题,这些问题在实际的生产环境中是非常要命的,如果在消息的消费方没有做好必须的幂等性操作,那么消费者重复消费的问 ...
分类:Web程序   时间:2019-12-14 13:49:48    阅读次数:433
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