comptia a test questions

; data {Head = head1;Head-> next = mergerecursive (head1-> next, head2 );}Else{Head = head2;Head-> next = mergerecursive (head1, head2-> next );}Return head;} 15. Analyze the output of this program (Autodesk)Class B{Public:B (){Cout }~ B (){Cout }B (int I): Data (I){Cout }PRIVATE:Int data;};B play (B){Return B;}Int main (INT argc, char * argv []){B temp = play (5 );Return 0;}Run the command on your own. 16. Write a function to find the second larges

PHP entry-level coder self-test questions Description: This test is 100 points, involving the Web (PHP direction) of the comprehensive knowledge, 90 pass. By:pig 2009.07.14 This question has been sent once, now tidy up, re-sent up. ------------------------------------- One, basic PHP1. Try to explain the difference between Echo and Print,require and include. (3

Server and so on.2. Under the premise of not destroying the 1 deployment, also use Oldboy user to complete multiple keys to a lock (B,c key, a lock)-Free landing deployment as follows:B---------->aC---------->aNote: This topic is used in the production environment, data backup, etc., but the production environment this way is recommended to be implemented by the daemon process.The goal of the final realiza

Analysis of ZCTF's PWN problem,PWN100This problem and SCTF pwn100 play is the same, the difference lies in the previous several restrictions. Exit (0) cannot be triggered. Otherwise, the overflow will not be realized.The canary is still triggered to leak out the in-memory flag.Note1This ZCTF problem is a series out, the following three questions are the same program.First look at the procedure of the approx

, we enter: WWW.XXX.COM/COMMONS/F1, return the results of F1.#dynamically import the module and execute its functionurl = input ("URL:") Target_module, Target_func= Url.split ('/') M=__import__('lib.'+target_module, fromlist=True) InP= Url.split ("/") [-1]#split the URL and remove the last string from the URLifHasattr (M,target_func):#determine if there is a string of INP in the Commons moduleTarget_func = GetAttr (M,target_func)#get references to INP

I have been recruiting Android Developers for the project team recently. In the interview process, it is also a process of self-improvement to understand the subject's project and ask questions. As people have already been recruited, I have sorted out some of my favorite questions and made them into this test or inter

instability or even crashes, The GC mechanism provided by Java can automatically monitor whether an object exceeds the scope to achieve the purpose of automatically reclaiming memory, and the Java language does not provide an explicit way to dispose of the allocated memory.20. Write a singleton mode (Singleton)//第一种 ：饿汉模式public class SingleTon{ private SingleTon(){} //实例化放在静态代码块里可提高程序的执行效率，但也可能占用更大的空间 private final static SingleTon instance

pointers and strong reference pointers for AndroidA basic concept has been tested6. Android Touch ProcessThe main research dispatchtouchevent, Ontouchevent, onintercepttouchevent7. Intentservice and AidlThe difference between intentservice and ordinary service, interprocess communication8. Layout SurveyLinearLayout layout_weight Meaning, the difference between AlignTop and alignparenttop in Framelayout9. The view's drawing processStudy the methods of Onmeasure (especially setmeasureddimension),

. Sample Input About380Sample OutputNo370 371AuthorLCYSourceC language Programming exercises (II.)recommendjgshiningTopic Description: In a given interval, to meet the problem conditions (Narcissus number) output! 1#include 2#include 3#include 4 using namespacestd;5 BOOLSXH (intN)6 {7 intK,r =0, M =N;8 9 while(N >0 )Ten { OneK = n%Ten; AR + = k*k*K; -N/=Ten; - } the returnr = =m; - } - intMain () - { + BOOLFlag; - intx, y,

variables, constants, Functions * PHP built-in functions are also different, Use less time complexity. Example Isset () and array_key_exists () differences * Avoid using the PHP Magic function * Disable the @ ERROR suppressor, which can incur additional overhead * Reasonable use of memory, using unset () to release unused memory in a timely manner * use as little as possible Regular Expressions * Avoid doing operations within loops for ($i =0;strlen

storedMOV R1, #78H; IN0 Channel locationMOV R2, #08H; analog channel numberMOVX @R1, A; start A/D conversionSETB IT0; external interrupt 0 is the Edge trigger modeSETB EX0; Allow external interrupt 0 interruptSETB EA; open CPU InterruptHere : SJMP hereEXINF0: PUSH PSW Protection siteCLR RS0CLSR RS1MOVX A, @R1; Read conversion resultsMOV @R0,

2, the student's completion test performance evaluation, the request in the console prompts the user to enter the student examination result, writes a method, according to the user input result, returns a rank;90 points above A grade, 80~90 B grade, 70~80 grade C, 60~70 B grade, 60 points below C class.：using system;us

variables, constants, Functions * PHP built-in functions are also different, Use less time complexity. Example Isset () and array_key_exists () differences * Avoid using the PHP Magic function * Disable the @ ERROR suppressor, resulting in additional overhead * Reasonable use of memory, using unset () to release unused memory in a timely manner * Use regular Expressions sparingly * avoid doing operations within loops for ($i =0;strlen ($STR), $i + +)

Four major questions:The first problem, is Ctrip station has a 725*286 (specifically do not remember) advertising area, can think of test types and methods.Write test Cases-from January 1, 2016 to March 1, 2016 the same order round trip ticket was reduced by 50 of all function points.The second problem, the SQL statement. (The school sql--)Third question, program

In the written test, I think many people will encounter factorial programming questions. Today, I suddenly remembered my first written test. I encountered such a question, but I haven't typed it on my computer. I just want to write it. I don't know if everyone has done the right thing during the written

of the class, easy to handle exceptions;Development experience:The exception is the main processing of reading files, but also can be used with the method of reading files; can also be used for network connections where exceptions can include a large number of error messages for error handling.Code:Class Shortinputexception (Exception): def __init__ (self, length, atleast): exception.__init__ (self) self.length = length self.a

system, and provide queries.Design a can store and maintain 100 billion records, real-time monitoring, and support two kinds of queries:1. Specify any time period (accurate to minutes) and a URL to investigate the total number of accesses for all URLs within this time period.2. Specify any time period (accurate to minutes) and an IP to query the total number of IP accesses during this time period. intervie

Yahoo 2015 school recruitment test 1. the array a [] is known to implement array B [], so that B [I] = A [0] * A [1]... * A [I-1] * A [I + 1]... * A [n-1]Requirements:1) division is not

conversions, removing the leading and trailing spaces in the string. Stitching: cancat (Value,value ... ), the return is a copy, and the cancat usage in the array is similar. cropping: slice (index1,[index2]), substring (index1,[index2]), substr (Index1,[index2]).Replace with: replace (value1,value2), value1 can be a value to match, can be a string or

similarities and differences between JSP and servlet?JSP is the extension of servlet technology, is essentially a simple way of servlet, JSP more emphasis on the application of the appearance of expression, compiled is "class servlet." The main difference between Servlets and JSPs is that the application logic of the servlet is in the Java file and is completely detached from the HTML in the presentation layer, whereas the JSP case is that Java and H