cobol quiz

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C Language Quiz 1

There is a special set of sequence A1,a2,..., which is defined as follows: a1=1,a2=2,..., A (n) =2*a (n-1) +a (n-2). The value of the number of items in the K.Requirements: The first line is the number of groups of test data followed by n-line input, each group of test data accounted for 1 rows, including a positive integer k (1#include C Language Quiz 1

"Swoole" php5.6 Swoole (Demo) Quiz

Swoole:See the explanation on the Internet"Implementing the real-time asynchronous task queue;PHP's asynchronous, parallel, high-performance network communication engine, written in pure C, provides the PHP language for asynchronous multithreaded servers, asynchronous TCP/UDP network clients, asynchronous MySQL, asynchronous Redis, database connection pooling, Asynctask, Message Queuing, millisecond timers, Asynchronous file read-write, asynchronous DNS query. Swoole built-in Http/websocket serv

Another JavaScript quiz (code set) _javascript tips

You can measure how much you know about this knowledge. In the title after I refer to the original Bo main article and comment on the topic analysis, we compete to shoot bricks. The quiz: 1: 1 3 2: 1 "Foo" | | 0 3: 1 | | "Foo" 0 4: (1,2,3) 5: x = {Shift:[].shift}; X.shift (); 3:x.length; 6: {Foo:1} [0] 7: [True, False] [+true, +false] 8: + + '. Split (') [0] 9: A:B: c:d: e:f: G:1, 2, 3, 4, 5; 10: {a:1, b:2} [["B"]] 1 "B" + 45 12: {A:{b:2}} 13: (f

Why does Google have to do the quiz?

has entered China in the hope of focusing on its core business search, but in order to broaden its scope, Google has chosen to work with its heterogeneous partners, which are leaders in the industry; second, Google's communication with Tianya is based on a starting point, that is people-oriented, user-centered philosophy.He said that Google's cooperation with the Tianya is also closely related to Google's future search direction, Google in Chinese web search is very confident, but the network h

Analysis of Php,mysql Quiz exercises

(c) cA: $attr represents an array, then the length of the array can be obtained by $attr.length with CountThe B:unset () method cannot delete an element inside an arrayThe c:php array can store the characteristics of any type of data weakly typed language.d:php only indexed arrays39. The following statement is incorrect (B)A: The keyword used by fuzzy queries is likeB: Sort query asc is descending, desc is ascending ase is ascending; DESC is descendingC: The keyword used for paging queries is l

Linux Exercises-3 file and disk Quiz

fragmented log small files that are not cleaned up, it may occur7 , brief RAID0 , RAID1 , RAID5 working principle and characteristics of three kinds of working modes1, RAID0Split data sequentially in bits or bytes, parallel read/write on multiple disks, high data transfer rate, but no redundancy2, RAID1data redundancy is achieved through disk data mirroring, resulting in mutually backed-up data on paired independent disks. Provides high data security and availability, but disk space utilization

(to) Linux actual combat quiz: create users and passwords in bulk-see if you can?

; Echo stu{11..12}: ' Cat/dev/urandom|tr-dc 0-9|fold-w8|head-1 ' |xargs-n1|tee-a pass. txt|chpasswdMethod 3: Gorgeous from D-toneThere is a wrong argument, cut should take the second field should be-f2 the result should be: Echo stu{21..30} | Tr ' \ n ' | Sed-e ' S/^/useradd/'-E ' s/\ (stu[0-9]\{2\}\) $/\1 \\ echo "\ 1: ' Echo $[$RANDOM **3] | Cut-c1-8 ' "| Tee-a UserInfo.txt | Cut-d:-f2 | passwd--stdin \1/' | BashFunction: Create 10 users is stu21-stu30 its password is random number variables r

NetEase Cloud Community Award-winning quiz Phase II-technical leadership, in-depth distribution, PHP Bible, Linux operations, Unity ... March Hot Books Wait for you to take!

The second issue of the NetEase Cloud Community award-winning quiz began! (The first phase of the event has ended: Artificial intelligence book Lottery!) )Welcome to participate in NetEase Cloud community, discuss issues, exchange ideas. We have prepared a number of technical field of hot books in this issue, to participate in the community of friends, will be sent in the form of a lottery.How to participate in Sweepstakes: 1. From now until March 19

[Android Quiz] px, DP, and SP, what are the differences between these units?

are shorter than the phone screen, some are longer than the screen, on the tablet and mobile phone compared to the difference is more obvious.DipExactly the same as DP, except the name is different. The dip was used in earlier versions of Android, and the DP name was later recommended for unification with SP.Sp:Abstract pixels independent of scale (Scale-independent Pixel). The SP and DP are similar but the only difference is that the Android system allows users to customize text size (small, n

Joomla! 'Com _ quiz 'Component SQL injection and Cross-Site Scripting Vulnerability

Release date:Updated on: Affected Systems:Joomla! Com_quizDescription:--------------------------------------------------------------------------------Bugtraq id: 56338 Joomla! Is an Open Source Content Management System (CMS ). The Quiz component has the SQL injection vulnerability and cross-site scripting vulnerability. This vulnerability allows attackers to control applications, access or modify data, and exploit other vulnerabilities in lower-le

Getting Started with Java Web development-git Unit Quiz

1.RadioWhich of the following is not a version control system: A.git B.svn C.rsync D.cvs 2.Multi-SelectWhich of the following commands can be used to get a git repository: A.git Checkout B.git Fetch C. git clone D. git init 3.JudgingLike SVN, you can share your submitted code with other developers just by using git commit A.√ B. x Git pull does not just get the version of the remote repository but also merges with the local

Java Basics Quiz

Why can 1,java run across platforms? Please outline the principle.Since the code compiled by the Java program is not code that can be run directly by the hardware system, it is an "intermediate code"-bytecode. A different Java Virtual machine (JVM) is then installed on different hardware platforms, which are then "translated" by the JVM into code that the corresponding hardware platform can execute. So for Java programmers, there is no need to consider what the hardware platform is. So Java can

Python (day1)-Variable Quiz

Here is a topic: A = 3 b = A A = 5 Print (A, B) What is the value of the last output of the program, A/b? Think about it first, and then we'll take a look at the correct answer: The value of correct answer a is 5, the value of B is 3, why doesn't the value of B change with the value of a? Let's analyze Why: Here we first introduce a function ID (), which can look at the memory address of the variable; OK, here's the analysis: Split the program, assign 3 to

C + + interview Quiz guide

Transferred from: http://blog.csdn.net/charles_r_chiu/article/details/478588851. What is a virtual function? What is a pure virtual function?For:The virtual function declaration is as follows: Virtual returntype functionname (Parameter); Virtual functions are introduced for dynamic bindingThe pure virtual function declaration is as follows: Virtual returntype functionname () = 0; Pure virtual functions are introduced to derive interfaces.2, why do the base classes need virtual destructors?A: The

Another javascript quiz (code set) _ javascript skills

There are 25 questions in total. The test content includes operators, expressions, statements, javascript language features, JSON syntax, arrays, and regular expressions. You can test your knowledge in this area. After the question is answered, I will refer to the original blog post and comment on the question analysis, and everyone is competing. The quiz: 1: 1 3 2: 1 "foo" | 0 3: 1 | "foo" 0 4: (1, 2, 3) 5: X = {shift: []. shift }; X. shift (); 3:

Java servlet Working principle Quiz

response) throws ServletException, IOException {Object thisIsThreadSafe;thisIsNOTThreadSafe = request.getParameter("foo"); // BAD!! Shared among all requests!thisIsThreadSafe = request.getParameter("foo"); // OK, this is thread safe.} } The first two days in a group saw someone recommend an app called Ask Ah, you can send a question to answer that kind of, feel like Uber drops a taxi like, generally this kind of software comes up to throw money to red envelopes what, elder brother befor

Java+servlet Working principle Quiz

while the Web app is running. They are shared by all requests in the session. All of the properties you set in HttpServletRequest, HttpServletResponse, and HttpSession will remain alive when the object in question survives. Thread SafetyEven so, you may be most concerned about thread safety. You should now learn that the Servlet and filter are shared by all requests. That is one of the advantages of Java, which allows multiple different threads (reading HTTP requests) to use the same i

Introduction to MOOC Programming in Chinese Universities--c language: Third week quiz

1 Bits value 32 16 8 4 2 1 Your program reads a nonnegative integer, the range of integers is [0,1000000], and then calculates the binary number that represents the parity by the above algorithm, outputting its corresponding decimal value.tip: To decompose integers from right to left, the digits are added each time 1 , and the binary value is multiplied each time 2 . Input Format :A nonnegative integer in which the range of integers is [

Celadon Engine Quiz Highlights (i)

have the code automatically prompt.Other third-party editors that support automatic prompting can also join this package.Six.Q: How does the release game enable the application Cache feature? For:Inproject->settingwillApplication Cacheoption Tick, pointApplyeffective. Then the release game will bestartgame.htmlgenerated under sibling directoryQici.appcache, andstartgame.htmlwill increasemanifest= "Qici.appcache". Attention:1, if the server does not. AppCacheof the fileMIMEtype, you need to inc

Introduction to Software engineering the first classroom quiz-------to produce a small program of random integer arithmetic of 30 100 or less

1#include 2#include 3 using namespacestd;4 5 voidMain ()6 {7 inta,b,c;8Srand (Unsigned (Time (NULL)));//change of the guaranteed number of random seed with system time9 for(intI=0;i -; i++)Ten { OneA=rand ()% About+1; AB=rand ()% About+1; -C=rand ()%4+1; - Switch(c) the { - Case 1:cout"+""=" Break; - Case 2:{ - if(AGT;B)//use the IF statement to ensure that Minuend is greater than +cout"-""="Endl; - Else +cout"-""="Endl; A

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