List (and briefly explain) any memory management issues you notice with the following code. 1: int main() { int i; int * arr2; int * arr; int arr3[10]; arr = (int *) calloc(3, sizeof(int)); if (arr == NULL) return EXIT_FAILURE; for (i = 0; i < 3; i++) arr[i] = i + 1; 12: 13: arr2 = (int *) realloc(arr, 6 * sizeof(int)); 16: 18: free(arr); arr = NULL; free(arr2); arr2 = NULL; free(arr3); arr3 = NULL; 19: 20: 21: 22: 23:} return EXIT_SUCCESS;

The statement select vendorid, sum(invoicetotal - paymenttotal - credittotal) as column2 from invoices where invoicetotal - paymenttotal - credittotal > 0 group by vendorid; will return a result set that includes the vendorid and the sum of the difference between the invoicetotal, paymenttotal, and credittotal for each vendor where the difference is greater than 0.

The result set will be grouped by vendorid, meaning that there will be one row for each vendor with the sum of the differences for that vendor.

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Answer: A. Digital literacy

Answer: A. Digital literacy

The given query asks for a recursive function that finds the largest substring in a given string that starts and ends with a specified non-empty substring. One suggested approach is to find the first and last occurrences of the substring, and then calculate the length of the resulting substring.

If the difference between the two indexes is zero or negative, the function should be called again with a shortened string. This can be repeated until a valid result is found . Another solution is to recursively call the function with the substring removed from the beginning and end of the string until the substring is no longer present. The length of the resulting string is then returned .In computer language, a string is a sequence of characters that is used to represent text or other data. A string can include letters, numbers, symbols, and whitespace, and it can have any length.

A substring is a smaller sequence of characters that is contained within a larger string. A substring can be any length, but it must be a contiguous sequence of characters that occurs within the larger string.

In programming, there are many tasks that involve manipulating strings and substrings. For example, you might need to search for a particular substring within a larger string, extract a specific substring from a larger string, or replace one substring with another.

There are many built-in functions and libraries in programming languages that provide tools for working with strings and substrings, such as the substring method in JavaScript, the string module in Python, or the String class in Java.

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The output of the given program will be:

"CPE"

This is because the program defines a subroutine named RESULT which takes a string parameter A$. The RESULT subroutine first calculates the length of the string A$ using the LEN() function and stores it in variable B. It then initializes a counter C to 1 and enters a loop that runs as long as C is less than or equal to B.

In each iteration of the loop, the program takes the character at the position specified by C in the string A$ using the MID$() function and appends it to a new string B$. The program then increments the counter C by 2 and continues with the next iteration of the loop.

Once the loop has been completed, the program prints the final value of B$, which will contain every other character of the input string A$. In this case, since the input string is "COMPUTER", the output will be "CPE".

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The code appears to contain a syntax mistake since the for loop's closing curly brace is missing. The result will be based on the values of the continentNames array, assuming the missing brace is added.

When programmers apply a preset structure or linguistic pattern incorrectly, syntax errors—also referred to as parse errors—occur in JavaScript. Code that contains typos or other errors is invalid. Common mistakes include missing parenthesis or punctuation.

var continent Names = ["Africa", "Europe", "Asia", "Antartica", "Australia", "America"];

["Africa", "Europe", "Asia"]

["Africa", "Europe", "Asia", "Antartica"]

["Africa", "Europe", "Asia", "Antartica", "America"]

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The true statement is "A relational database is a collection of tables." Thus, Option C is correct.

In a relational database, data is organized into tables, with each table consisting of rows and columns. Each row represents a unique record or instance, while each column represents a specific attribute or characteristic of that record.

The relationships between tables are established through the use of keys, which allow data to be linked and retrieved across multiple tables. Overall, a relational database provides a structured and organized way to store and manage large amounts of data, allowing for efficient querying, retrieval, and analysis of information.

Option C holds true.

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When Mason navigates to an e-commerce site in his browser, if he refuses, the feature of the website that may not work correctly is login/registration or access to the cart.

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13. The comparison operator (<) can be overloaded for a class as a friend function or a global function, but not as a member function. The correct answer is d. b) and c) only.

14. The output stream operator (<<) can be overloaded for a class as a friend function or a global function, but not as a member function. The correct answer is d. b) and c) only.

15. The number and/or type of parameters variables are different. A function name can be overloaded if the number and/or type of parameters variables are different, but the return value and the name of the function must be the same. The correct answer is c.

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The network topology in use when every network has a direct VPN connection to every other network is called a full mesh topology. This topology provides any-to-any communication and provides the most optimal direct path for network traffic.

A mesh topology is a type of network topology in which all devices are connected to each other via multiple, redundant paths to provide a continuous data path. Because mesh topology uses multiple redundant interconnections between network nodes, it is also known as a "fully connected network."It can provide fault tolerance due to the presence of multiple paths to access the destination.It provides a high level of reliability by enabling multiple connections between devices in the network.It provides high-speed communication channels to devices that need to exchange information.

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Answer:

C++ is platform-dependent.

]Java is platform-independent.

C++ is mainly used for system programming.

Java is mainly used for application programming. It is widely used in Windows-based, web-based, enterprise, and mobile applications.

C++ uses compiler only. C++ is compiled and run using the compiler which converts source code into machine code so, C++ is platform dependent.

Java uses both compiler and interpreter. Java source code is converted into bytecode at compilation time. The interpreter executes this bytecode at runtime and produces output. Java is interpreted that is why it is platform-independent.

C++ is an object-oriented language. However, in the C language, a single root hierarchy is not possible.

Java is also an object-oriented language. However, everything (except fundamental types) is an object in Java. It is a single root hierarchy as everything gets derived from java.lang.Object.

Explanation:

No copying and pasting from the internet javatpointcomcppvsjava

For the computing system designed to predict earthquakes based on processing data from seismographs, what is an important feature is the system must be scalable. The correct option b.

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Answer:

C. monitor, keyboard, CPU and mouse.

Explanation:

Computer hardware refers to the physical components of a computer system that can be touched and seen. Some of the major hardware components of a computer include:

Monitor: A display screen that shows the output of the computer.

Keyboard: An input device used for typing and entering data into the computer.

CPU (Central Processing Unit): The "brain" of the computer that processes instructions and performs calculations.

Mouse: An input device used for navigating and interacting with the computer.

Option A is incorrect because a monitor and a mouse are hardware components, but applications and games are software components that run on the hardware. Option B is incorrect because an operating system is software, not hardware. Option D is incorrect because applications and an operating system are software components, not hardware.

The area A of four walls of a room of length l, breadth b and height h is given by the formula A=2(l+b)h.

Your client is referring to a Bulletin-Board Service.

This type of service allows a user to access content and applications using their telephone lines and a modem. The modem acts as an intermediary between the user's phone lines and the Bulletin-Board Service. It is the modem that enables the user to access the Bulletin-Board Service.

In this context, the modem is an electronic device that is used to establish communication between devices over the internet. By using a modem, one can convert digital signals into analog signals to connect with other devices over the phone lines. Modems are used to connect computers to the internet or other computer networks.

A bulletin-board service is a type of online service where users can post messages and interact with each other. A cloud computing refers to the delivery of computing services over the internet. And server-area storage is a type of storage that is typically used in data centers.

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Nordstrom has been struggling with declining profits, and while its e-commerce business is growing, it is not as profitable as its physical stores .

The company's shares have fallen 30% in the past year, and after its fourth-quarter earnings missed analyst estimates, Nordstrom admitted that it needed to improve its e-commerce operations . Despite growing digital sales, rising costs are crimping Nordstrom's profits, and the company is transitioning to a digital-first business to try to address the issue.

Therefore, it appears that the primary reason for Nordstrom's declining profits is not solely related to e-commerce, but rather a combination of factors such as rising costs, declining physical store sales, and a need to improve its e-commerce operations.

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The IPv4 address class of 221.1.2.3 is Class C. The IPv4 protocol uses address classes to define the size of the network portion of the address and the number of hosts that can be assigned to it.

The first octet of the IP address determines the address class. Class C addresses have their first three bits set to 110 and the fourth bit set to 0, which allows for 24 bits to be used to define the network portion of the address. This means that Class C networks can support up to 256 (2^8) hosts per network and are commonly used in small to medium-sized businesses.In computer networking, an IPv4 address is a unique identifier assigned to devices on a network using the Internet Protocol version 4. IPv4 addresses are 32-bit binary numbers that are typically represented in human-readable format as a series of four decimal numbers separated by periods. Each of these decimal numbers represents a byte of the binary number, with values ranging from 0 to 255. IPv4 addresses are divided into classes based on the range of values in the first byte, with Class A addresses having a range from 1 to 126, Class B addresses from 128 to 191, and Class C addresses from 192 to 223. The remaining address ranges are reserved for special purposes, such as multicast or private networks.

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To define a function cycle that takes in three functions f1, f2, f3, as arguments and returns another function that takes in an integer argument n and return another function, we can use the following code:

```python
def cycle(f1, f2, f3):
   def inner_func(n):
       def final_func(x):
           # Initialize result to x
           result = x
           # Use a for loop to iterate through n times
           for i in range(n):
               # Apply f1, f2, and f3 in a cycle depending on the value of i
               if i % 3 == 0:
                   result = f1(result)
               elif i % 3 == 1:
                   result = f2(result)
               else:
                   result = f3(result)
           return result
       return final_func
   return inner_func
```

This code defines a function cycle that takes in three functions f1, f2, and f3 as arguments. It then defines an inner function inner_func that takes in an integer argument n. Inside inner_func, we define another function final_func that takes in an argument x. Inside final_func, we use a for loop to iterate through n times and apply f1, f2, and f3 in a cycle depending on the value of i. Finally, we return the result.

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The non-comparative sorting algorithm that is unstable is 'pigeonhole sort.'Pigeonhole sort is a sorting algorithm that is non-comparative and linear.

Its worst-case and average-case performance are both O(n+Range) in the case of an integer sort, where 'Range' is the largest difference between any two elements in the list. The algorithm is simple to implement and is best suited for integer sorting in the linear time complexity range.Pigeonhole sort, also known as a bin sort or a counting sort, is a type of sorting algorithm.

The algorithm is simple and is often used for sorting small data sets. It's a non-comparative sorting algorithm, which means it doesn't rely on the comparison operation to compare objects.The pigeonhole sort algorithm divides the input array into pigeonholes. It is based on the fact that if n items are put into m containers, where m < n, at least one container must contain more than one item.

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The written software that will determine the average reward sum for a specified number of gold medals and the total prize money is provided below: gold medals, total prize money; def calculate award money.

The entire award money is determined by dividing the total reward money by the number of gold medals using the first function, calculate award money. Therefore, The average prize money is determined by dividing the total prize money.

total award money = total sponsorship + total prize money return total award money / num medals; def average award money(num medals, total sponsorship, total prize money)

def Calculate the Average:

Enter the number of gold medals you've won in the entry box.

total sponsorship = float(input("How much money were you sponsored overall? "), ")

The formula is: total prize money = float(input("Your prize money is: "))

Average Award Funding is equal to Average Award Funding (num medals, Total Sponsorship, Total Prize Funding)

calculate average()

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Explanation:

The mechanical advantage of a lever of a grain crusher is the ratio of the output force to the input force. It is a measure of how much easier it is to do a job using the lever compared to doing it without. For example, if the output force is twice as great as the input force, then the mechanical advantage of the lever would be 2. This means that the job can be done with half the effort. The mechanical advantage of a lever of a grain crusher can be increased by increasing the length of the lever arm, which reduces the input force required to move the grain. This makes it easier to crush the grain, as less force is needed to do the job.

According to O*NET, common work activities performed by Elementary School Teachers include:

Elementary school teachers are responsible for providing instruction to students in a variety of subjects, developing lesson plans and materials, assessing student progress, and communicating with parents and administrators.

To be effective in these tasks, teachers need to be able to think creatively and organize and prioritize their work. They also need to coach and develop their students, as well as collaborate with other teachers and staff members to ensure that students receive a well-rounded education.

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Algorithm to design and developing the program is:

C Program:

#include

int main()

{

   //Variable declarations

   float grade1, grade2, grade3;

   float avg;


   //User prompt to input grades

   printf("Enter score 1: ");

   scanf("%f", &grade1);


   printf("Enter score 2: ");

   scanf("%f", &grade2);


   printf("Enter score 3: ");

   scanf("%f", &grade3);


   //Swap grades if needed

   if (grade1 > grade2) {

       float temp = grade1;

       grade1 = grade2;

       grade2 = temp;

   }


   if (grade2 > grade3) {

       float temp = grade2;

       grade2 = grade3;

       grade3 = temp;

   }


   //Calculate average

   avg = (grade1 + grade2 + grade3)/3;


   //Display output

   printf("The average of %.1f, %.1f and %.1f is: %.1f", grade1, grade2, grade3, avg);


   return 0;

}

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The output of executing the code segment will be (D) 5. Here's how the method works: It initializes a count variable to 0 and a curr variable to the last element of the input array.

It then iterates through the array and compares each element to the curr variable. If the element is greater than curr, count is incremented by 1. Otherwise, count is decremented by 1. After each comparison, curr is set to the current element. Finally, the method returns the count value. For the given input array [4, 14, 15, 3, 14, 18, 19], the method will compare each element to the previous one as follows: 4 < 19: count = -1  14 < 4: count = -2  15 > 14: count = -1  3 < 15: count = -2  14 < 3: count = -3  18 > 14: count = -2  19 > 18: count = -1  So the final count value is -1 - 2 - 1 - 2 + 1 - 2 - 1 = -6. However, the question asks for the absolute value of the count, which is 6, and since option B is not present, the correct answer is (D) 5.

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Choose the More>> option after opening the Find window. Font can be selected by clicking the Format button. Choose Italic, then click OK. Selecting find will now search for terms with that formatting.

Ctrl + F is pressed. Enter the desired text in the Search document box by clicking on it in the Navigation pane. Automatic search execution occurs. The document's results are highlighted, and the Navigation pane contains a list of all occurrences of the word.

Try these things: Click "Find" in the Word document you wish to copy the text from. Advanced search > Type your search term, then click "More." Highlight All Text in Reading.

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Answer:

I think it's true

Explanation:

the meaning of the src"" is source and if you write img src you need to write f4om where you got the image by copying image address

To make sure that a NIC failure on the server does not prevent the website from being accessible on the internet. The solution that you should implement is clustering.

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Provide a completion certificate; give certification after passing a test: training initiatives, Certificates, as well as associate's, bachelor's, and master's degrees, may be offered: e-learning courses.

The length of the course is the main distinction between a certificate, diploma, and degree programme. Although some certificate programmes run 1.5 to 2 years, a certification course typically lasts six months to a year. A diploma course may follow a semester or an annual schedule.

Professional certification cannot be obtained through a certificate programme. Although completing a certificate programme could help you get ready for a professional certification in a certain industry.

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The best classic algorithm for organizing a client database in order of the account's worth would be an Insertion Sort. Therefore the correct option is option B.

A straightforward sorting technique called "Insertion Sort" arranges an array in the right order by repeatedly inserting a particular element into a subarray that has already been sorted. Here is how the algorithm operates:

This is the most efficient algorithm for sorting a list of items in order of value. Therefore the correct option is option B.

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