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gregori [183]
2 years ago
12

1. Discuss why it is so important for all application builders to always check data received from unknown sources, such as Web a

pplications, before using that data. 2. Why should Web site operators that allow users to add content, for example forums or blogs, carefully and consistently patch and configure their systems
Computers and Technology
1 answer:
Ivan2 years ago
8 0

Answer:

1. It is so important for all application builders to always check data received from unknown sources before using that data. This is because of the Security related reasons and vulnerabilities .For example the data received might contain harmful hidden viruses.  Web applications are accessed by internet and these are the most vulnerable to attacks by hacker or intruders using harmful data containing malware. This can cause security breaches due to the security flaws or bugs in Web applications. So to overcome such security risks which can cause damage in the Web applications, data from unknown sources should be checked.

Explanation:

2. When the Website is being used and running, there is a room for possible glitches or other bugs and issues. To understand, handle and address  issues successfully, the website operators carefully and consistently patch and configure their systems. The administrators collect the user data which enables them to have enough data in order to make the requisite alterations or improvements in the website. This also helps to improve the website performance. The patching and configuring of systems fix problems in the website which reduces the risk of website damage and the website works smoothly this way. Moreover it identifies vulnerabilities, solve configuration issues and upgrades in website features provide additional capabilities to the website.

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Write a method called justFirstAndLast that takes a single String name and returns a new String that is only the first and last
NemiM [27]

Answer:

Answer is in the attached screenshot.

Explanation:

Using regex to split a given input string via whitespace, then returns the first and last element of the array.

6 0
2 years ago
Assume a program requires the execution of 50 x 106 FP instructions, 110 x 106 INT instructions, 80 x 106 L/S instructions, and
Molodets [167]

Explanation:

FP - 50 \times 10^6

CPI - 1

INT -110 \times 10^6,

CPI - 1

I/S - 80 \times 10^6 ,

CPI - 4

Branch - 16 \times 10^6

CPI - 2

Clock Speed - 2 \times 10^9

Time(old) =\frac{50 x 10^6 + 110 x 10^6 + 4 x ( 80 x 10^6) + 2 x (16 x 10^ 6)}{2 x 10^9}

Time(old) = 256 \times 10^ {-3}

Time(new) =  \frac{256 \times 10^{-3}}{2}

                = 128 \times 10^{-3}

                =\frac{CPI(new) x [50 x 10^6 + 110 x 10^6 + 4 x ( 80 x 10^6) + 2 x (16 x 10^ 6)]}{2 x 10^9}

                =  128 \times 10^{-3}

CPI(new) = \frac{-206}{50}

               = -4.12

3 0
2 years ago
Write a destructor for the CarCounter class that outputs the following. End with newline.
ycow [4]

Answer:

Following are the code to this question:

CarCounter::~CarCounter()//Defining destructor CarCounter

{

cout << "Destroying CarCounter\n";//print message Destroying CarCounter

}

Explanation:

Following are the full program to this question:

#include <iostream>//Defining header file

using namespace std;

class CarCounter //Defining class CarCounter

{

public:

CarCounter();//Defining constructor CarCounter

~CarCounter();//Defining destructor CarCounter

private:

int carCount;//Defining integer variable carCount

};

CarCounter::CarCounter()//declaring constructor  

{

carCount = 0;//assign value in carCount variable

return;//using return keyword

}

CarCounter::~CarCounter()//Defining destructor CarCounter

{

cout << "Destroying CarCounter\n";//print message Destroying CarCounter

}

int main() //Defining main method

{

CarCounter* parkingLot = new CarCounter();//Defining class object parkingLot

delete parkingLot;//

return 0;

}

  • In the given C++ language code, a class "CarCounter" is defined, and inside the class, a "constructor, Destructors, and an integer variable" is defined.  
  • Outside the class, the scope resolution operator is used to define the constructor and assign value "0" in the integer variable.  
  • In the above-given code, the scope resolution operator, to define destructor and inside this cout function is used, which prints a message.  
  • In the main method, the class object is created, which automatically calls its class constructor and destructors.  
7 0
2 years ago
In the game Singularity, broken objects can be restored to their original condition by reversing time. This is an example of whi
Zolol [24]

Solution:

In the game Singularity, broken objects can be restored to their original condition by reversing time. This is an example of which time element of player adjustment.

Thus the required answer is player adjusted.

6 0
2 years ago
Read 2 more answers
ArgumentException is an existing class that derives from Exception; you use it when one or more of a method’s arguments do not f
dybincka [34]

Answer:

The C# code is given below

Explanation:

using System;

public class SwimmingWaterTemperatur

{

public static void Main()

{

while(true){

Console.Write("\nPlease enter the water temperature : ");

int x = Int32.Parse (Console.ReadLine());

try{

if(CheckComfort(x)){

Console.Write(x+" degrees is comfortable for swimming.");

}else{

Console.Write(x+" degrees is not comfortable for swimming.");

}

}catch(Exception ex){

Console.WriteLine(ex);

}

}

}

public static Boolean CheckComfort(int temp){

if(temp>=70 && temp<=85){

return true;

}else if(temp>=32 && temp<=212){

return false;

}else{

throw new ArgumentException("Value does not fall within the exptected range.");

}

}

}

7 0
2 years ago
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