The die() statement halts the processing of the web page and displays an error if an include file cannot be found.
The die() function, in PHP, stops the script execution and displays a message on the screen when it is executed.
When the PHP interpreter processes the die() function, it stops the execution of the script and displays a message to the user on the screen.
This message can be an error message that tells the user that the script has encountered a problem and cannot continue to execute.
It can also be a message that tells the user that the script has successfully completed its execution.The die() function is useful when working with include files.
When a PHP script includes another file, it is important that the file exists. If the file does not exist, the script will not be able to execute and will display an error message.
By using the die() function, the script can display an error message that tells the user that the file does not exist and cannot be included.The die() function takes a string argument that represents the error message that should be displayed to the user.
For example, if a script tries to include a file that does not exist, the die() function can display an error message that says "File not found" or "Unable to include file".
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Which type of electromagnetic wave do cell phones send and receive.
A. X-rays
B. Infrared waves
C. Ultraviolet waves
D. Microwaves
Answer:
D. Microwaves
Explanation:
Did the test !!
1) Write a program that prints the sum of the first ten positive integers, 1+2+...+10
I don’t know how to write the code for python
total = 0
for i in range(1, 11):
total += i
print(total)
Alright Brainly I need you to ask me some random funny questions PLZ THANK YOU
Answer:
ok bet
Explanation:
if a king farts, is it a noble gas?
What are some real-life situations that require a program that is iterative? Include at least three examples in your answer.
Your answer should be:
Apple has released multiple different versions of each model of its iPod products. The Nano, for example, has evolved from an original slim mP3 player with a very small screen to a tiny square touch-screen version to a longer, thinner touch screen version.
Hope this helped!
Brainliest appreciated :3
In Excel and functions
Question 5: Use yearly returns for Microsoft (MSFT), Raytheon
Technologies (RTX),
and Caterpillar (CAT) from December 31, 1991 to December 31,
2021 to answer the
following ques
In excel and functions
a. Calculate the variance-covariance matrix using yearly returns to measure risk and co-movement between MSFT, RTX, and CAT.
b. Determine the optimal portfolio by maximizing the Sharpe ratio, considering mean returns and the variance-covariance matrix.
c. Find a portfolio on the efficient frontier with an expected return of 15%, using mean returns and the variance-covariance matrix.
a. To find the variance-covariance matrix using yearly returns for Microsoft (MSFT), Raytheon Technologies (RTX), and Caterpillar (CAT), you would follow these steps:
Collect the yearly returns for each stock from 1992 to 2021.Calculate the mean (average) return for each stock using the yearly returns.Calculate the deviation of each yearly return from its respective mean.Square each deviation.Multiply each squared deviation by the probability (weight) of its occurrence.Sum up the weighted squared deviations for each stock to get the variance of that stock.Calculate the covariance between each pair of stocks by multiplying the deviations of their respective yearly returns and weighting them.Construct the variance-covariance matrix by arranging the variances and covariances in a matrix format.b. To find the optimal portfolio by maximizing the Sharpe ratio of all feasible portfolios, you would use the following steps:
Calculate the mean return and variance-covariance matrix using the yearly returns for MSFT, RTX, and CAT.Construct a range of portfolio weight combinations for the three assets.For each portfolio weight combination, calculate the expected return and standard deviation of the portfolio.Calculate the Sharpe ratio for each portfolio using the formula: (expected return - risk-free rate) / standard deviation.Identify the portfolio with the highest Sharpe ratio, which represents the optimal portfolio.c. To find a portfolio on the efficient frontier with an expected return of 15%, you would follow these steps:
Calculate the mean return and variance-covariance matrix using the yearly returns for MSFT, RTX, and CAT.Construct a range of portfolio weight combinations for the three assets.For each portfolio weight combination, calculate the expected return and standard deviation of the portfolio.Identify the portfolio that has an expected return closest to 15% while minimizing the standard deviation.To learn more about excel visit :
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Range is an example of a ______________.
Python
The question isn't clear enough. I feel the question wants us to answer what category or type the range is in python.
Answer:
Range is a Function in python
Explanation:
Range is an example of a function in python. The range function takes its own argument when called. The range function can take up to 3 arguments but atleast 1 argument should be stated when it is called.
When range is called as ;
range(4) ;
This specifies the stop argument ; this evaluates as range of values from 0 up to 3 (4 is excluded) in the interval of 1
Output will be : 0, 1, 2, 3
range(4, 8) ;
This specifies the start and stop argument ; this evaluates as range of values from 4 up to 7 (8 is excluded) in the interval of 1
Output will be : 4, 5, 6, 7
range(4, 8, 2) ;
This specifies the start, stop and interval argument ; this evaluates as range of values from 4 up to 7 (8 is excluded) in the interval of 2
Output will be : 4, 6
А ________ provides an easy way for workers to Interact with thelr computers.
System Call
Command Prompt
FAT
GUI
Name any five application or uses of smartphone and computer.
computer and smartphone has their application in:
Education industry banking sector industrial sectors Entertainments sector used in Hospitals for handling data.What is a computer?A computer is described as a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically.
Smartphones can also find their applications in various methods described below:
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A ___ type presents a set of programmer-defined operations that are provided mutual exclusion within it.
A "Mutex" type presents a set of programmer-defined operations that are provided mutual exclusion within it.
In computer science, a mutex, short for mutual exclusion, is a programming concept used to prevent two or more threads from executing a critical section of code simultaneously. A mutex provides a locking mechanism that allows only one thread to access a shared resource at a time, while other threads are blocked until the mutex is released.
Mutexes are commonly used in multithreaded programming environments to protect shared resources, such as global variables, from simultaneous access and modification by multiple threads. When a thread wants to access a shared resource, it must acquire the mutex associated with that resource. If the mutex is already held by another thread, the requesting thread will be blocked until the mutex is released.
Mutexes can be implemented using various techniques, such as semaphores or monitors, depending on the programming language and environment used. In addition to mutual exclusion, mutexes can also provide synchronization and communication between threads, allowing them to coordinate their activities and avoid race conditions.
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PLZ HELPP ME!!!
You are driving on a highway and your gas pedal gets jammed. You cannot reduce engine
power. You should keep your eyes on the road and
A: Stay in the gear you are in. Turn off the ignition, and remove the ignition key from the lock.
B: Shift into neutral. Then turn off the ignition without locking the steering, and use your brakes to
stop.
C: Shift your vehicle into top gear. Then apply the parking brake as hard as you can
Answer:
b
Explanation:
shift to neutral then use brakes
In pedal gets jammed, Shift into neutral. Then turn off the ignition without locking the steering, and use your brakes to stop.
What to do in the above case?If the vehicle that is its accelerator pedal is said to be stuck in case a person is driving, one can press the brake and also put their hands on the wheel and then shift the gear to neutral.
Conclusively, When your gas pedal gets jammed, by doing the above that is shifting your gear into neutral and turning off the ignition without locking the steering, one can use the brakes to come to a stable halt.
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Complete the body of the format_name function. This function receives the first_name and last_name parameters and then returns a properly formatted string. Specifically: If both the last_name and the first_name parameters are supplied, the function should return like so:
Answer:
Here is the Python program:
def format_name(first_name, last_name): #function definition of format_name that takes first_name and last_name as parameters
if first_name != '' and last_name != '': #checks if first_name and last_name both are not equal to " "
return ("Name: " + last_name + ", " + first_name) #returns first name and last_name in format: "Name: last_name, first_name"
elif first_name != '' or last_name != '': #checks if either of the first_name or last_name is not equal to " "
return ("Name: " + last_name + first_name) #returns first name and last_name in format: "Name: last_name" or "Name: first_name"
else: #if both names are blank
return '' #return ""
Explanation:
The working of the above function can be checked by using the following statements:
print(format_name("Ernest", "Hemingway"))
print(format_name("Voltaire", ""))
print(format_name("", "Madonna"))
print(format_name("", ""))
The program has a function format_name which takes two strings i.e. the first_name and last_name as parameters and returns the formatted string.
The first if condition checks if both the first_name and last_name are blank. For example if first_name = "Ernest" and last_name= "Hemingway" this means both the first_name and last_name are not blank or empty. So If this condition evaluates to true then the following statement is returned:
return ("Name: " + last_name + ", " + first_name)
This returns the last_name string first followed by a comma in between and then first_name string in the last. For the above example the string is printed in the following format:
Name: Hemingway, Ernest
The elif condition checks if either of the first_name or last_name is blank. For example if first_name = "Voltaire" and last_name= "" this means last_name is blank or empty. So if this condition evaluates to true then the following statement is returned:
return ("Name: " + last_name + first_name)
This returns the last_name string. For the above example the string is printed in the following format:
Name: Voltaire
IF none of the above condition is true and both the first_name and last_name are blank then the following statement is returned
return ''
This will just print and blank space in output.
The program and its output is attached.
What behavior do elements in a stack follow?
Answer:
last in, first out, or LIFO behavior
Explanation:
B
of the following, why is it recommended that when using encrypting file system (efs), that folder encryption be used rather than file-level encryption?
Folder encryption is recommended over file-level encryption in EFS because it is more efficient and less prone to user error, as all files within a folder are automatically encrypted and decrypted.
File-level encryption can lead to situations where a user forgets to encrypt a sensitive file, and it is left unencrypted on the system. Additionally, managing encrypted files at the individual file level can be time-consuming and prone to human error.
With folder encryption, all files within the encrypted folder are automatically encrypted and decrypted, eliminating the possibility of a sensitive file being left unencrypted and simplifying encryption management. Additionally, folder encryption can be more efficient as it only requires a single encryption key per folder, rather than a unique encryption key for each file.
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In computer security, the term "Dumpster diving" is used to describe a practice of sifting through trash for discarded documents containing sensitive data. Found documents containing names and surnames of the employees along with the information about positions held in the company and other data can be used to facilitate social engineering attacks. Having the documents shredded or incinerated before disposal makes dumpster diving less effective and mitigates the risk of social engineering attacks.A. TrueB. False
Answer:
TRUE
Hope this helps ;)
A __________ is more concerned with copying and running code, rather than the code's maintainability or documentation.
Answer: system architect
Explanation:
A system architect is more concerned with copying and running code, rather than the code's maintainability or documentation
write a recursive method named printalldecimal that accepts an integer number of digits and prints all base-10 numbers that have exactly that many digits, in ascending order, one per line, with leading zeros in front as needed. for example, the call of printalldecimal(3); should print: 000 001 002 003 ... 998 999 if the number of digits passed is 0 or negative, print no output. your method must use recursion, but you can use a single for loop if necessary.
The given task is to write a recursive method named printalldecimal that accepts an integer number of digits and prints all base-10 numbers that have exactly that many digits in ascending order with leading zeros in front.
Here's an example recursive method named printalldecimal in Java that accepts an integer n representing the number of digits and prints all base-10 numbers that have exactly n digits, in ascending order, one per line, with leading zeros in front as needed.
public static void printalldecimal(int n) {
if (n <= 0) {
return;
}
printalldecimal(n-1);
for (int i = 0; i < Math.pow(10, n); i++) {
String num = String.format("%0" + n + "d", i);
System.out.println(num);
}
}
The method first checks if the input n is less than or equal to 0, in which case it returns without printing anything.
If n is greater than 0, it calls itself recursively with the argument n-1.
The recursive call prints all numbers with n-1 digits.
After returning from the recursive call, the method uses a for loop to print all numbers with n digits, using String.format to add leading zeros as needed.
The loop iterates from 0 to 10^n - 1 because those are all the possible numbers with n digits in base-10.
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A computer scientist creates an app that tells you a funny joke each time you touch the Joke button.
a. What does the view layer for this app contain?
b. What does the controller layer do for this app?
Answer:
B And A
Explanation:
B: The controller renders a responce it can be seen as a manager and other parts are its workers and makes sure that other parts are "working" well
Answer:
He's actually right- it's B and A.
Explanation:
list 7 ways of generating
airlines
Answer:
1. improve air quality..
2. Eats food rich in antioxidants...
3. Stop smoking....
Answer:
money
Explanation:
what name is given to python's preinstalled modules? question 4 options: import preinstalled library unix the standard library
This includes modules for working with data types, file input and output, networking, and more. The standard library is a critical part of the Python language, and it is constantly updated and improved with each new release.
The name given to Python's preinstalled modules is the standard library. The standard library is a collection of modules that come with Python by default, and they provide a wide range of functionality for performing common programming tasks.
The Standard Library is a collection of modules that come preinstalled with Python, providing various functionalities without requiring any additional installation. Some examples include the 'math' module for mathematical operations, the 'os' module for interacting with the operating system, and the 're' module for regular expressions.
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please answer fast..
Answer:
a. False.
b. True.
c. False.
d. False.
Explanation:
a. False: Data stored in RAM are called firmware. It's the data stored in read only memory (ROM) are called firmware.
Radom Access Memory (RAM) can be defined as the main memory of a computer system which allow users to store commands and data temporarily.
Generally, the Radom Access Memory (RAM) is a volatile memory and as such can only retain data temporarily.
All software applications temporarily stores and retrieves data from a Radom Access Memory (RAM) in computer, this is to ensure that informations are quickly accessible, therefore it supports read and write of files.
b. True: a register is a temporary storage device within the central processing unit (CPU) of a computer system. Thus, it is designed to quickly accept, store and transfer data or instructions being used on a computer system.
c. False: the result obtained after data processing is given by input devices. Any result obtained after data processing is given by output devices such as speakers, monitor, projector, etc.. Input devices such as keyboard, mouse, scanner, etc., are used for entering the data into a system.
d. False: E-shopping allows us to make deposits, withdrawal and pay bills with the click of a mouse.
E-shopping can be defined as a marketing strategy that deals with meeting the needs of consumers, by selling products or services to the consumers over the internet.
This ultimately implies that, E-shopping is strictly based on the buying and selling of goods or services electronically, over the internet or through a digital platform. Also, the payment for such goods or services are typically done over the internet such as online payment services.
The game begins with the player having 20 POINTS
The player rolls 2 six sided dice and the sum of faces on the two dice are calculated. That’s called the players POINT.
If the POINT is a 7 or 11, the player wins his POINT
If the POINT is a 2, 3, or 12, the player loses his POINT
If the POINT is anything else, then the game continues by the player rolling the two dice again and again recording and checking the sum until
The player makes his point (The sum of his dice roll equals his POINT value) and then he wins his POINT
The player rolls a 7 and then he loses his POINT.
The player is considered a winner if he can acquire 60 POINTS and is considered a loser when he runs out POINTS
After the program has finished, display the total number of rolls of the dice that were made in the entire game.
In need for python file grade 11 work
Answer:
Following are the code to this question:
import random#import package for using random method
def rolling_dice(): #defining method rolling_dice that uses a random number to calculate and add value in dice1 and dice2 variable
dice1 = random.randint(1,6)
dice2 = random.randint(1,6)
return dice1 + dice2
def rolling(): # defining method rolling
n_roll = 0 # defining num variable that initial value that is 0.
p = 20 # defining variable p for looping, that points in between 1 and 59
while p > 0 and p < 60: # defining loop that counts value dice value two times
d = rolling_dice()#defining d variable that hold method value
n_roll+= 1 #defining n_roll that increment n_roll value by 1
if d == 7 or d == 11:# defining if block that uses the d variable that checks either 7 or 11, player won d in p variable
p+= d # use p variable that adds d variable
elif d == 2 or d == 3 or d == 12:#defining elif block to that checks d variable by using or operator
p-= d#defining d variable that decreases d variable variable
else: # defining else block
p1 = d # using p1 variable that store d value
while True:# defining loop that calculates values
d = rolling_dice()#defining d variable that holds method values
n_roll += 1 #increment the n_roll value by 1
if d == 7:#defining if block that checks d value equal to 7
p -= p1#subtract the value of p1 in p variable
break # exit loop
elif d == p:#defining elif block to check d value is equal to p
p += p1#adds the value of p1 in p variable
break#using break keyword
if p<= 0:#defining if block that checks p-value is less then equal to 0
print('Player lost')#using print method
elif p>= 60:#defining else block that checks p-value is greater than equal to 60
print('Player won')#using print method to print the value
print('number of dice rolls:', n_roll)#use print method to print n_rolls value
rolling()
Output:
Player lost
number of dice rolls: 38
Explanation:
In the above-given python code, a method "rolling_dice" is declared, inside the method two-variable "dice1 and dice2" is declared, that uses the random method to calculate the value in both variable and use the return keyword to add both values.
In the next step, another method the "rolling" is declared, inside the method "n_roll and p" is declared that assigns the values and use the two while loop, inside the loop if block is defined that calculates the values. In the next step, a condition block is used that stores value in the p variable and use the print method to print the "n_roll" value.I mark Brainliest! Games created in Scratch are based on instructions that create a program, but other game design platforms work without any programming.
1. True
2. False
Answer:
TrueTrue
TrueTrue
Explanation:
True
Answer:
the answer is 1. True
Explanation:
please mark me as brainliest
____ files involves combining two or more files while maintaining the sequential order of the records.
Merging files involves combining two or more files while maintaining the sequential order of the records.
What is Merging files?Merging is known to be the act of of taking two or a lot of groups of data in the method of a file or folder, and adding them together into a single file or folder,
There are different kinds of files that exists. A computer file is one that comes in different format and sizes as well as its function. To merge connote to put two or more things together.
Note that, Merging files involves combining two or more files while maintaining the sequential order of the records.
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Read Assistive Technologies to Support Students with Dyslexia.
Answer the following questions. Each answer should be approximately 1-2 pages in length.
Based on the suggestions provided in the article for extension and apps, try at least one yourself. What did you find beneficial and frustrating about the technology? How and why do you think it might support a student with dyslexia?
The article provided recommendations to help engage students with dyslexia with the assistive technology and promote its success. Pick at least three recommendations and discuss why these recommendations would increase the likelihood a student with dyslexia would use and continue to use a piece of assistive technology?
Personalized, supported, and positively framed assistive technology increases engagement and sustained use among students with dyslexia.
I apologize for the confusion, but as an AI text-based model, I don't have the capability to try out specific technologies or access real-time articles. However, I can still provide you with some general insights based on the information available.
In general, assistive technologies can offer significant benefits for students with dyslexia. They can provide support in areas such as reading, writing, organization, and comprehension, which are often challenging for individuals with dyslexia. These technologies aim to enhance accessibility, promote independence, and improve overall academic performance.
Regarding the recommendations provided in the article to engage students with dyslexia and promote the use of assistive technology, here are three potential strategies and their potential impact:
Personalization: Customizing the assistive technology to meet the specific needs and preferences of the student can significantly increase their engagement and likelihood of continued use. By allowing students to adjust settings such as reading speed, voice type, or background color, they can create an experience that aligns with their individual requirements, making it more comfortable and effective for them.
Training and support: Comprehensive training and ongoing support are crucial to ensure that students understand how to utilize the features and functionalities of the assistive technology. Providing training sessions, tutorials, or resources helps students develop proficiency and confidence in using the technology. Ongoing support channels, such as help desks or user forums, further assist students in overcoming challenges and exploring the full potential of the technology.
Positive mindset: Fostering a positive mindset towards assistive technology is essential to increase student acceptance and motivation for its use. Promoting the technology as a helpful tool rather than a crutch can reduce stigma and empower students with dyslexia. Sharing success stories and highlighting the benefits of assistive technology can inspire students and cultivate a positive attitude towards its adoption and continued use.
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The ____ function returns true when the end of the file has been reached. The ____ function returns true if a translation or other logical error has occurred on a stream. The ____ function returns true when something has happened to the physical medium of a stream.
There are 4 numbered instructions in the code, along with
comments that should help you to make changes.
//CHALLENGE #3 Change the code below to say WOW if at least 1 coin is heads (1, not 0)
// You only need to change the conditions.
if (( coin1 !=3 ) && ( coin2 >= 4)){
System.out.println("WOW! At least one coin is heads");
} else {
System.out.println("neither coin is heads");
}
//CHALLENGE #4 Change the code below to say WOW if both coins are heads
// You only need to change the conditions.
if (( coin1 != 1) || (coin2 <= 3)){
System.out.println("WOW! Both coins are Heads!");
} else {
System.out.println("No matches");
}
}
}
}
the advantages and disadvantages of internet
Write a program in python in which teacher asks the student to check
whether the input number is divisible by 7 or not. If it is divisible by 7
then square the number and add 11 in it and then check if divisible by 2.
If it gets divisible by 2 print the original number. If it is not divisible by 2
print it “only divisible by 7”, if it is not divisible by 7 print “Not divisible
by 7”.
Answer:
number1 = int(input('Enter a number: '))
if number1 % 7 == 0:
number2 = number1*number1
number2 += 11
if number2 % 2 == 0:
print('The original number is {}'.format(number1))
else:
print('{} is only divisible by 7'.format(number1))
else:
print('{} is not divisible by 7'.format(number1))
Explanation:
Checking the remainder after modulo operation is the way to check if a number is divisible. When it is divisible, the remainder is 0.
What is the name of the programming language created by Spu7Nix?
Answer:
I think is SPWN
Explanation:
describe at least five ways in which Information Technology can help students studying subject other than computing
Answer:
‘Computer Science’ and ‘information technology’ are completely different subjects. Information Technology (IT) is-
(i) the study,
(ii) design,
(iii) development,
(iv) implementation, and
(v) support or management
of computer-based information systems, particularly software applications and computer hardware.
Information Technology (IT) deals with the use of electronic computers and computer software to-
(i) convert,
(ii) store,
(iii) protect,
(iv) process,
(v) transmit, and
(vi) securely retrieve information.
Shortly, information technology (IT) itself means learning to use technology in business or in studies of some subject matter using technology.
Hence, IT could help students studying subjects other than computing with the above mentioned points considered.