cetpa 2018

Java-2018-1-9 first, Today is the first day of the final exam, and the first day of getting started with Java. If you don't want to review it, learn something new !! Three major Java platforms 1. Java SE There are four parts: JVM (Virtual Machine), JRE (runtime environment), JDK (Development Kit), Java 2. Java EE 3. Java ME --- (used less) Java Development Environment Configuration Notepad/ediplus/ultreadit Eclipse/MyEclipse JCreator Betbea

PyCharm latest 2018 activation code, latest method, pycharm2018 activation code Content: Modify the hosts file so that pycharm cannot online verify the activation code. 1. Modify the hosts file File Location: C: \ Windows \ System32 \ drivers \ etc Add 0.0.0.0 account.jetbrains.com at the end of the file. 2. Open PyCharm and select Activate code (activated with an activation code) EB101IWSWD-eyJsaWNlbnNlSWQiOiJFQjEwMUlXU1dEIiwibGljZW5zZWVOYW1lIjoibG

of Windows is a terrible thing, and once an attacker has administrator privileges, it can do anything. Windows may modify the registry, steal secret files and so on, while attacking can also hide themselves, modify the directory files to erase their own traces of intrusion. Therefore, in order to avoid the right to be raised, regular patching, upgrading the system, to avoid being the object of attack.Resources Metasploit under Windows Multiple right-of-way Msf_bypassuac the right t

edge.Then the test instructions can be converted to a minimum spanning tree of 22 shortest-circuiting as a weighted value for a given $m$ point.Set $p_x$ and $d_x$ respectively to indicate the closest to each point of the given string and corresponding distance, can be found in BFS, then for a side $ (u,v) $, in the spanning tree to add a connection $p_u$ and $p_v$, the weight is $d_u+d_v+1$ edge.Time Complexity $o (N2^n\alpha (m)) $.#include 　　H. MasterpieceIf each point is not considered to h

Title: Give a positive integer n, ask if there is x, satisfy the condition 2^x mod n=1, if present, find the minimum value of x.Analysis: 1, if the given n is 1, then there is certainly no such x;2, if the given is even, 2 of the power to take more than an even number is definitely to the even, so also can not find;3, if the given is an odd number, its digit number is 3, 5, 7, 9, and 2 of the power of the units of 2, 4, 6, 8, respectively-1 is 1, 3, 5, 7, that is, odd multiples can find relative

good after all, so I began to play violence for the third time after brainstorming about an hour later.Unfortunately, I accidentally dropped a 5-minute part of the back.I thought to myself, "is the time after all rubbish time?" I'd like to get a little more points.The first question looks quite good to do, try it.Finally, 30 minutes before the end of the exam, I get to the T1.I excited to open the T2,T3, with the fastest speed of the file read and write, and then decisively threw away the two q

$\color{red}{\mathsf{update}}$: See Li Aling in the column all about Texnique released installation tutorialAbout TeX live:http://tug.org/texliveUninstall old version of TeX LiveSee Https://tex.stackexchange.com/questions/185520/how-uninstall-texlive-2013-under-windows-8Installation method Installing TeX Live over the Internet Downloading one huge ISO file Online installations often fail. Please consider using an ISO installation.How to install TeX Live

Describe:There is a cow, which has a small cow at the beginning of each year. Each heifer starts its fourth year with a heifer. Please program implementation how many cows are there in the first n years? Input: The input data consists of multiple test instances, one for each test instance, including an integer n (0N=0 indicates the end of the input data and does not handle it. Output: For each test instance, output the number of cows in the nth year.Each output occupies one row. input:2450output

, etc.Software preparationMist Webstorm, etc.Course BasicsHave a basic understanding of HTML CSS JS and so onLanguage involvedGo solidity JavaScript, etc.Course Catalogue: 1th Lesson Blockchain Introduction 2nd Session Client Installation and operation 3rd Workshop Ethereum Network 4th Lesson Introduction to Smart Contract programming 5th lesson solitidy Complex variable types 6th Lesson Solitidy Method 7th Lesson Solitidy Inheritance and Events 8th Lesson So

Installing the ODOO 10 update system on CentOS 7.2yum updateInstalling EPEL Source 1yum install -y epel-releaseInstalling dependent componentsyum install fontconfig libpng libX11 libXext libXrender xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi wkhtmltopdf yum-utilsInstalling PostgreSQL Server# 安装yum install postgresql-server# 初始化数据库postgresql-setup initdb# 设置为开机启动systemctl enable postgresql# 启动systemctl start postgresqlInstalling Odoo 10Todo What is an enterprise Linux add-on pac

(DIS[U][TEMPK]+W//Shortest path on the same floor{DIS[V][TEMPK]=dis[u][tempk]+W; Que.push (Qnode (V,TEMPK,DIS[V][TEMPK)); } if(tempkk) {if(dis[u][tempk]1])//If this edge value is changed to 0, it will enter the TEMPK+1 layer.{DIS[V][TEMPK+1]=DIS[U][TEMPK]; Que.push (Qnode (V,TEMPK+1, dis[v][tempk+1])); } } } }}intMain () {intT; scanf ("%d",T); while(t--) {scanf ("%d%d%d",n,m,k); Init (); for(intI=0; i) { intu,v,w; scanf ("%d%d

,k)!=eof;++time){lon n,c; CIN>>n>>C; for(Lon I=1; iArr[i]; for(Lon I=1; ii) {cin>>Nex[i]; Arr[i]-=Nex[i]; } for(inti=n+1; i2*n;++i) arr[i]=arr[i-N]; intsum=0, cnt=0, bg=1; BOOLok=0; for(intI=1; i2*n;++i) {if(sum+arr[i]+c0) { for(;bg0;++BG) { if(bgARR[BG]; } if(bgArr[i]; } Else { //if (bg==0) bg=i;sum+=Arr[i]; if(i-bg+1>=N) {OK=1; Break; } } }//cout if(OK) coutEnd

enable the compiled executable document to be debugged with GDB New exploit.c, code below, \x?? \x?? \x?? \x?? Need to add shellcode to the address stored in memory because the location can overwrite the return address just after an overflow occurs. We want to get shellcode in-memory address, enter commands gdb stack anddisass main According to strcpy(buffer + 100,shellcode) the statement, we calculate shellcode the address as0xffffd350(十六进制) + 0x64(100的十六进制) = 0xffffd3b4(十六进制) Mo

1. Machine-Level Code(1) Two kinds of abstract Defines the format and behavior of machine-level programs by ISA The memory address used by the machine-level program is the virtual address 2. Data format3. Operand designator4. Press in and eject stack data Follow the principle of first in and out Push Press in, pop delete Pushq press four words into the stack popq four words pop-up stack 5. Arithmetic and logical operations LEAQ Load Valid address INC plus a D

2018-2019-1 20165334 "Fundamentals of Information Security system Design" Third week study summary and Buffer Overflow Vulnerability experiment One, instruction learning gcc -Og -o xxx.c learns to -Og tell the compiler to use an optimization level that generates machine code that conforms to the overall structure of the original C language code. gcc -Og -S xxx.cLearning ( -S option to view compiled code generated by the C language compiler) gcc -Og -c

T1 (binary search)Test instructionsGiven a sequence, the number of non-empty sets, which can be divided into equal two copies, is obtained.namely [Usaco2012 open]balanced Cow subsets;Data range NTransform the model to know that there are only 3 cases for each number,1, not be selected;2, is selected into the left set;3, is selected to the right set.If the violence enumerates all the possible 3^n will obviously time out,So we can use meet in the middle idea, namely binary search.Enumerate to the

TopicA. Elevator or stairs?DescriptionMasha to go from the X-storey to the Y-floor to find Egor, you can choose to climb stairs or take a helicopter elevator. It is known that climbing stairs each layer needs time T1; The helicopter elevator each floor needs time T2, the helicopter elevator opens or closes once needs the time T3, the current helicopter elevator in the z floor, the helicopter elevator door is in the closed state. If the total time to climb stairs is strictly less than the helicop

non-gate or non-gate HCL integer Expression Case Expression Format: [ select 1: expr 1 select 2: expr 2 . select k: expr k ] Set Relationship:iexp in{ iexp1,iexp2,...iexpk } Arithmetic/logic unit (ALU) Sequential implementation of Y86-64 Organize the processing into stages Value fetch--> decoding decode--> performing execute--> memory--> writeback write back write back--> update PC update SEQ

week's exam error summary 1.The following jump commands are related to ZF ()A. jmpB. JeC. jsD. JaE. JBF. JbeAnalytical:2.Assuming that the function of the C-expression T=a+b is completed with the add instruction, the correct statement about the condition Code Register is ()A. If t==0, then zf=1B. If tC. If tD. if (aE. if (aF. LEAQ directive does not affect the condition code registerG. CMP directives do not affect the condition code registerAnalysis: Textbook p135ZF: 0 logo. The result of the r

I. Learning Objectives Understanding the role of ISA abstraction Master Isa, and be able to learn other architecture extrapolate Understanding the pipeline and how it is implemented Second, the Learning content y86-64 directive MOVQ directive IRMOVQ rrmovq mrmovq RMMOVQ Four integer manipulation instructions Addq,subq,andq,xorq only the Register data 7 Jump Instructions Cmovle cmovl cmove cmovne cmovge CMOVG The call command returns the address to the stack, and then j