Consider the problem of storing n books on shelves in a library. The order of the books is fixed by the cataloging system and so cannot be rearraged. Therefore, we can speak of a book bi, where 1 i n, that has a thickness ti and height hi. The length…
Summary of Critical and Exploitable iOS Vulnerabilities in 2016 Author:Min (Spark) Zheng, Cererdlong, Eakerqiu @ Team OverSky 0x00 Introduction iOS security is far more fragile than you believe. And there are lots of critical and exploitable iOS vuln…
Given a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,2,4,5,7], return ["0->2","4->5","7"]. Credits:Special thanks to @jianchao.li.fighter for adding this problem and…
Network Basic Commands Summary set or modify hostname a) temporary ways hostname NEW_HOSTNAME, but if you reboot your system, it will disabled. b) permanent ways: edit "/etc/sysconfig/network" HOSTNAME, then restart system, it will effect…
30.13 Summary Network management protocols allow a manager to monitor and control routers and hosts. A network management client program executing on the manager's workstation contacts one or more servers, called agents, running on the devices to be…
