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School of Computer Science Dr. Ying Zhou COMP5349: Cloud Computing Sem. 1/2020 Assignment: Text Corpus Analysis Group Work: 20% 30.04.2020 1 Introduction This assignment tests your ability to design and implement a Spark application to handle a relatively large data set. It also tests your ability to analyse the execution performance of your own application

COMP20008 Elements of Data Processing Correlation Semester 1, 2020 Contact: uwe.aickelin@unimelb.edu.au Where are we now? 2 Plan • Discuss correlations between pairs of features in a dataset • Why useful and important • Pitfalls • Methods for computing correlation • Euclidean distance • Pearson correlation • Mutual information (another method to compute correlation) 3 Correlation

% Module: proj2 % Author: Adam Quigley % Last updated: 09.10.2018 % % Program for solving Fill-In style puzzles % COMP30020 Declarative Programming, 2018 Semester 2, Project 2 % The University of Melbourne, School of Computing and Information Systems % % This module solves Fill-In (fill-it-in) style puzzles by constructing a % representation of the

计算机系统基础 期末大作业指导 • 本作业任务包含以下四方面内容 • 攻击 • 拆弹 • 程序局部性特征分析 • 虚拟内存使用分析 • 压缩包中共提供了两个程序 • exam：实验目标，需要进行破解的程序 • hex2raw：将格式化的十六进制文本转换成ascii码（使用方法见攻击实验） exam程序结构 • 在main()中经过一系列初始化后（不需要关心），会进入doSomething(); • 在doSomething()中会调用一个可能会产生内存泄露的gilbc库函数gets(char *) • 当doSomething()正常返回后，会继续调用main()中的sad_ending() • sad_ending()被调用即意味着任务失败，控制台会有如下输出： You failed! (T_T) int main() { …… doSomething(); sad_ending(); return 0; } char doSomething() { char buf[0x20]; puts(“Input sth. please.”); gets(buf); return buf[0]; } 任务一——攻击 • void