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…
Design and implement a data structure for Least Frequently Used (LFU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1. s…
[re: Orchard CMS] This caused me scratching my head for days and now I can even feel it's bleeding. The answer however is the simplest. Because it's not obviously indicated anywhere, I was anticipating the layout only works for the detail view of A c…
转自:http://blog.evjang.com/2017/01/nips2016.html Eric Jang Technology, A.I., Careers Monday, January 2, 2017 Summary of NIPS 2016 The 30th annual Neural Information Processing Systems (NIPS) conference took place in Barcelona…
题目: 228. Summary Ranges 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"]. 答案: 就是找连续的序列. 直接判断相邻数据大小是否相差为1即可,主要是注意最后的数字要特殊考虑一下…
ECLIPSE ANDROID PROJECT IMPORT SUMMARY======================================Manifest Merging:-----------------Your project uses libraries that provide manifests, and your Eclipseproject did not explicitly turn on manifest merging. In Android Gradlepr…
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"]. 解题思路: JAVA实现如下: public List<String> summaryRanges(int[] nums) { List…
Principal Component Analysis(PCA) algorithm summary mean normalization(ensure every feature has sero mean) Sigma = 1/m∑(xi)(xi)T [U,S,V] = svd(Sigma) ureduce = u(:,1:K) Z = ureduce ' * X Pick smallest value of k for which ∑ki=1 Sii / ∑i=mi=1 Sii >…
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"]. class Solution { public: vector<string> summaryRanges(vector<int&…
Missing Ranges Given a sorted integer array where the range of elements are [lower, upper] inclusive, return its missing ranges. For example, given [0, 1, 3, 50, 75], lower = 0 and upper = 99, return ["2", "4->49", "51->74&q…
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"]. 思想很简单 逐个比较前后两个数的差值. class Solution { public: vector<string> summaryR…
Given a data stream input of non-negative integers a1, a2, ..., an, ..., summarize the numbers seen so far as a list of disjoint intervals. For example, suppose the integers from the data stream are 1, 3, 7, 2, 6, ..., then the summary will be: [1, 1…
Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2, col2). Range Sum Query 2D The above rectangle (with the red border) is defined by (row1, col1) = (…
refer to http://www.programmerinterview.com/index.php/operating-systems/thread-vs-process/ A process is an executing instance of an application. What does that mean? Well, for example, when you double-click the Microsoft Word icon, you start a proces…
A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand operation which turns the water at position (row, col) into a land. Given a list of positions to operate, count the number of islands after each addLand o…
Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these edges make up a valid tree. For example: Given n = 5 and edges = [[0, 1], [0, 2], [0, 3], [1, 4]], return tru…
The problem of test generation Random test generation Deterministic algorithm for test generation for stuck at faults, enhance the deterministic engines such as static and dynamic learning Simulation based test generation, Test generation for other f…
