scoring criteria, I scored for Tan Xin's blog: 6 points. The score is as follows:
Question plus 3 points
Sentiment does not impracticality plus 1 points
Beautifully formatted plus 1 points-Correct use of markdown syntax plus 1 points-Complete elements in the template plus 1 points
Based on the scoring criteria, I scored for Wang Yuhan's blog: 6 points. The score is as follows:
Beautifully formatted plus 1 points
Question plus 2 points
Sent
exploit.c file to compile.6. Running the programAfter the address protection mechanism has been modified, the run is unsuccessful and the segment error is displayed.
Experimental HarvestFeel according to the steps of the experiment step by step, really can get the corresponding results, but the whole experiment is a walk a process, or do not understand the relevant memory overflow of the specific process, as well as the relevant attack ideas, their level or not standards, there is a long way
lower layer. Due to locality, writing back can significantly reduce bus traffic.The disadvantage is increased complexity.Another problem is how to deal with write Miss.Write allocation: load the corresponding lower-level block to the cache, and then update the cache block. The disadvantage is that each Miss will cause a block to be transferred from the lower layer to the cache.Non-write allocation: Avoid high-speed caching and write the word directly to the lower layer.Performance impact of hig
: Task_running, which is the ready state, but not running; When the scheduler selects this process, the state switches to the task_running state but is running; When a running process terminates, it enters task_ Zombie State, the system will dispose of this process, and when a process waits for a specific resource or event, it will enter the state of the blocking state task_interruptible or task_uninterruptible. At this point, if the event occurs or the resource is available, the process is woke
After careful comparison, the final selection of 2017-2018 Autumn textbooks:Android mobile app Design and Development (2nd edition)-based on the Android studio development environmentPublication date: 2017-03-01 ISBN: 978-7-115-44780-7 Price: 49.80 RMB page: 268
1th Android Introduction 11.1 Android Development Overview 11.2 Configuring the Development environment 31.2.1 Installing JDK 31.2.2 Installi
20172307 2018-2019-1 "program design and Data Structure" experiment 1 reportProgram: Program design and data structureClass: 1723Name: Steven UptownStudy No.: 07Lab Teacher: Wang ZhiqiangDate of experiment: September 30, 2018Compulsory/elective: compulsory 40Experimental content
Build the linked list, complete the delete, insert, output and other operations.
2018-2019-1 20165314 summary of the fifth week of Information Security System Design Basics
SRAM and DRAM are both easy to lose, but they have different structures, different speeds, and faster access speed.
The prom can only be programmed once.
Programs stored in ROM devices are usually called firmware.
The EEPROM can erase the information on the chip with a specific voltage without ultraviolet radiat
20172313 2018-2019-1 "program design and data structure" week 7 study summary teaching material Learning Content summary
Overview
Binary Search Tree: A binary tree contains additional attributes, that is, its left child is smaller than the parent node, and its parent node is smaller than or equal to the right child.The binary search tree is defined as an extension of the Binary Tree definition..
Tag: the bucket exceeds the get judgment setting and is not created for the add element htm.20172323 2018-2019-1 Summary of the sixth week of program design and data structure
I learned Chapter 1 this week.Tree
10.1 Overview
A tree is a non-linear structure that consists of a set of nodes and edges. The elements are stored in the node, and the edge connects the node.
Terms
The root node
2018-2019-1 20165329 "Information Security system Design Fundamentals" 4th Week Study SummarySummary of learning contents of textbook
Y86-64 directive: The y86-64 instruction is a subset of the x86-84 instruction set. It includes only 8-byte integer operations. There are 4 integer operations directives: ADDQ, SUBQ, ANDQ, and Xorq. There are 7 jump commands: jmp, Jle, JL, je, jne, Jge, and JG. There are
20165214 2018-2017-1 "Information Security system Design Fundamentals" The third week study summary of learning Contents1. In fact, the GCC command invokes a series of programs that convert the source code into executable code.2, the actual realization of the memory system is to combine multiple hardware memory and operating system software.3. ISA: Instruction set architecture, which defines the state of th
20172330 2018-2019-1 "program design and data Structure" the second week study summary textbook Learning content Summary queue
1. The list can be divided into sequential tables, unordered lists, and index lists.
2. Elements in a sequence list have intrinsic associations that define the order of elements.
3. The elements in the unordered list are sorted in any way that the user chooses.
20172303 2018-2019-1 "program design and data Structure" 4th Week study Summary of learning contents I. Queue Overview
Concept: A list is a linear collection of things that are organized in a linear way.
Features: The capacity of the list collection can grow as needed; The list collection can add or remove elements at the middle and end of the list.
Categories: Lists have three types of ord
2018-2019 20165227 "Information Security system Design Fundamentals" The third week to learn to summarize learning objectives
Understanding the concept of reverse
Master X86 compilation base, able to read (reverse) Assembly code
Understanding ISA (Instruction set architecture)
Understand the concept of function call stack frames and can debug with GDB
Learning tasks
What y
2018-2019-1 20165228 "Fundamentals of Information Security system design" the third week of learning summary of the Learning Content Summary program machine-level representation: Two important abstractions of computer systems
ISA (Instruction set architecture): Instruction set architecture, machine-level program format and behavior. Defines the format of the processor status directives and the effe
2018-2019-1 20165336 "Information Security system Design Fundamentals" Fourth week study summary 1. The knowledge points learned in the textbook
The states that are visible to programmers (assembler programmers, compilers, and so on) in y86-64 include program registers, condition codes, program states, program counters (PCS), memory
Y86-64 15 Program registers are%eax%ecx%edx%ebx%esp%ebp%esi%eadi ZF S
20172303 2018-2019-1 program design and data structure 7th weekly learning summary teaching material Learning Content summary
On the basis of learning binary trees last week, I learned a special form of Binary Tree, called binary tree and binary tree. This chapter describes the implementation of two binary search trees and their application.
I. Overview 1. Binary Search Tree
Concept: All nodes in the tr
-2018-2019-1 20165206 "basis of information security system design" weekly learning Summary-textbook learning content Summary-hexadecimal conversion and bitwise calculation:
Converts a hexadecimal parameter to a binary representation and performs binary operations.
And, or, not, or, in bitwise operations, corresponds to , |, ~ in C ,~ ^-Logical operation:
Only 0 and 1 are supported. Non-zero parameters are
2018-2019 20165203 Information Security System Design Basics Chapter 5 study summary teaching material content summary important concepts
Storage System: a hierarchy of storage devices with different capacity costs and access time.
Cache memory ------ buffer area for data and instructions in primary storage ------ disk ------ buffer area for connecting data on disks or tapes of other machines through the
20172333 2018-2019-1 "program design and data structure" Fifth week study summary textbook Study summary = = "Java software structure and data Structure" chapter Nineth-sort and find = =First, find
①. Find a concept: look for an element in a project or determine whether an element exists in the project.
②. Type of lookup: Find in the Nineth chapter, we mainly discuss two types, one is linear lo
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