which database(s) uses only page-level locking according to the textbook? (multiple answers are possible.)
Answers
The databases that use only page-level locking are Oracle, Sybase, and Informix.
A database is an arranged collection of data, most often presented in a digital form. Data management systems (DBMS) are used to maintain and manage databases.
They provide a variety of ways for users to retrieve, add, and modify data stored in the database. They allow several users to use the database simultaneously. Examples of databases include MySQL, Oracle, Microsoft SQL Server, and PostgreSQL. They come with a variety of security features, including username and password requirements, access restrictions, and auditing. Furthermore, they have backup and disaster recovery capabilities to ensure that data is not lost or inaccessible if there is a problem with the system.Learn more about databases visit:
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Related Questions
Write a method that takes a RegularPolygon as a parameter, sets its number of sides to a random integer between 10 and 20 inclusive, and sets its side length to a random decimal number greater than or equal to 5 and less than 12. Use Math.random() to generate random numbers.
This method must be called randomize() and it must take an RegularPolygon parameter.
Could someone help me out here thanks! C:
Answers
Answer:
public static void randomize(RegularPolygon r){
int side = (int)((20-10) * Math.random()) + 10;
int length = (int)((12-5) * Math.random()) + 5;
// assuming the regularpolygon class has setSide and setLength methods.
r.set.Side(side);
r.setLength(length);
}
Explanation:
The randomize method is used to access and change the state of the RegularPolygon class attributes sides and length. The method accepts the class as an argument and assigns a random number of sides and length to the polygon object.
The image shows a bar graph.
A bar graph shows a series of 4 vertical bars along an x and y axis.
In which scenarios would using this graph be best for a presentation? Check all that apply.
showing change in a community’s average median age over a century
comparing the percentages of the types of pets owned in a community
showing how the world’s shark population has changed over 50 years
comparing the number of men and women who earned engineering degrees in a decade
showing the percentages of the various religions practiced in Indonesia
Answers
Answer:
showing change in a community’s average median age over a century
showing how the world’s shark population has changed over 50 years.
comparing the number of men and women who earned engineering degrees in a decade
Explanation:
According to Moore's Law, the processing power of computer will _____ every ____ years.
Answers
According to Moore's Law, the processing power of computer will double every two years.
Which is a connectionless protocol in the transport layer? What are the small chunks of data called?
Answers
Answer:
User Datagram Protocol (UDP) , transport-layer segment.
Explanation:
The User Datagram Protocol is popularly known as UDP. It is defined as the communication protocol which is used across the internet for any time sensitive transmission like the DNS lookup or the video playback.
The UDP provides a unreliable and connectionless service to a invoking application.
The transport layers on sending side converts the application \($\text{layer }$\) messages which it \($\text{receives}$\) from the \($\text{sending application process}$\) into a transport layer segment called as the transport layer segments. This is achieved by breaking down the application messages into a smaller chunks and then adding the transport layer header into each chunk so as to create a transport layer segment.
UDP and the small chunks of data are called packets
when you add a statusstrip control to a form, which additional control must be added to the statusstrip if you want to display messages at runtime?
Answers
To display messages at runtime using a Status Strip control in a form, you need to add a Tool Strip Status Label control to the Status Strip.
When adding a Status Strip control to a form, it serves as a container for various status-related controls. To display messages dynamically during runtime, you need to add a Tool Strip Status Label control to the Status Strip. The Tool Strip Status Label is specifically designed to show text messages in the Status Strip and can be updated programmatically to reflect real-time information or messages to the user.
This control allows you to customize the appearance and behavior of the message displayed, such as changing the text, font, color, and alignment. By combining the Status Strip and Tool Strip Status Label controls, you can create a dynamic and informative status bar in your application.
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Write a C++ Programm in which inheritance is used
Answers
Answer:
// C++ program to demonstrate inheritance
#include <iostream>
using namespace std;
// base class
class Animal {
public:
void eat() {
cout << "I can eat!" << endl;
}
void sleep() {
cout << "I can sleep!" << endl;
}
};
// derived class
class Dog : public Animal {
public:
void bark() {
cout << "I can bark! Woof woof!!" << endl;
}
};
int main() {
// Create object of the Dog class
Dog dog1;
// Calling members of the base class
dog1.eat();
dog1.sleep();
// Calling member of the derived class
dog1.bark();
return 0;
}
create html code showing heading tags
Answers
Answer:
Assuming you mean the HTML5 head tag, then this may work for you:
<!DOCTYPE HTML>
<html lang="en">
<head>
<title>My Very Awesome Website</title>
<link href="./css/main.css" rel="stylesheet" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
</head>
<body>
<h1>Hey look</h1>
<p>This is my awesome website!</p>
<h3>Note</h3>
<p>This website is supposed to be 100% awesome!</p>
</body>
</html>
A program, or collection of programs, through which users interact with a database is known as a(n)_________________________ management system.
Answers
A program, or collection of programs, through which users interact with a database is known as a database management system.
What is a database management system?
The system software used to create and administer databases is referred to as a database management system (DBMS). End users can create, protect, read, update, and remove data in a database with the help of a DBMS. The DBMS, which is the most common type of data management platform, primarily acts as an interface between databases and users or application programs, ensuring that data is consistently organized and is always accessible.
Data is managed by the DBMS, is accessible, locked, and modifiable by the database engine, and has a logical structure defined by the database schema. These three fundamental components provide concurrency, security, data integrity, and standard data management practices. Numerous common database administration functions, such as change management, performance monitoring and tuning, security, backup and recovery, are supported by the DBMS. The majority of database management systems are also in charge of logging and auditing activities in databases and the applications that access them, as well as automating rollbacks and restarts.
The DBMS offers a centralized view of the data that many users from many different places can access in a controlled way. A DBMS, which offers numerous views of a single database structure, can restrict the data that end users can access and how they can access it. The DBMS manages all requests, so end users and software programs are free from needing to comprehend where the data is physically located or on what kind of storage medium it lives.
To shield users and applications from needing to know where data is stored or from worrying about changes to the physical structure of data, the DBMS can provide both logical and physical data independence. Developers won't need to modify programs simply because modifications have been made to the database if programs use the application programming interface (API) for the database that the DBMS offers.
In a relational database management system (RDBMS) -- the most widely used type of DBMS -- the API is SQL, a standard programming language for defining, protecting and accessing data.
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Ciphers, such as the syctale cipher, that just change the order of the letters are know as ______________.
Answers
Ciphers, such as the scytale cipher, that just change the order of the letters are know as transposition cipher.
A transposition cipher in cryptography is a type of encryption that scrambles the locations of characters without altering the characters themselves. Transposition ciphers produce a ciphertext that is a permutation of the plaintext by rearranging the components of the plaintext (usually characters or groups of characters) in accordance with a regular method. They are distinct from substitution ciphers, which alter the actual plaintext units rather than only their positions. Although transposition and substitution processes differ from one another, they are frequently combined, as in old-fashioned ciphers like the ADFGVX cipher or sophisticated high-quality encryption techniques like the contemporary Advanced Encryption Standard (AES).
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List 5 general safety precautions that you can take when working with a computer equipment.
Answers
Answer:
Wear the right clothes, unplug all equipment, keep your work area clean, check for damaged parts, and do not force components into ports.
Explanation:
These are all general safety precautions when working with computer equipment.
In comparison to emails, which problem with digital communication is particularly
problematic with texts?
Inefficient for ambiguous, complex, and novel situations
Contributes to information overload
Faulty communication of emotions
Less politeness and respectfulness
Reduced task interdependence
Answers
Faulty communication of emotions in text-based communication can hinder understanding and may lead to miscommunication and potential conflicts.
The problem with digital communication that is particularly problematic with texts is faulty communication of emotions. Explanation: While texts can be efficient and convenient for quick communication, they lack nonverbal cues such as facial expressions, tone of voice, and body language. As a result, it becomes challenging to accurately convey emotions and intentions through text messages alone. Misinterpretation or misunderstanding of emotions can lead to conflicts, misunderstandings, and breakdowns in communication. It is important to be mindful of this limitation and use additional means, such as emoticons or follow-up clarification, to ensure effective communication of emotions in text-based conversations.
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Which of the following are examples of interpreted languages? Each correct answer represents a complete solution. Choose two. This task contains the radio buttons and checkboxes for options. The shortcut keys to perform this task are A to H and alt+1 to alt+9. A Markup B Compiled C Query D Scripted
Answers
Answer:
The answer to this question can be defined as follows:
Explanation:
The given question has more than one question and some of the choices are missing so, their correct solution and the question with the choices can be defined as follows:
1)
Interpreted languages:
The interpreted language is a kind of programming language, in which most of the applications carrying out instruction freely and openly, without having compiled a program. so, the types of the programming language are " PHP, Perl, Ruby, and Python"
2)
The answer is "Post a glossary or FAQ page".
explanation:
This section is used to covers the data. It is used as the goal of the company or business to obtain answers to these questions. Those who may also use your FAQ page for a first contact point for clients who are searching for answers before contacting you directly.
please find the attachment.
someone help me please and thank you
Answers
The Creative Commons license allows creators to specify how others can use their work.
It offers options for attribution, non-commercial use, share-alike, and no-derivative works to protect intellectual property and encourage collaboration. See further explanation below.
What is the rationale for the above response?Attribution: Someone might want to use this part of the Creative Commons license because it ensures that they receive credit for their work. This is important for creators who want recognition for their efforts and to be acknowledged for their intellectual property. By requiring attribution, creators can also prevent others from taking credit for their work.
Non-Commercial: Someone might want to use this part of the Creative Commons license to prevent others from using their work for commercial purposes. This may be important for creators who do not want their work to be used in advertisements or to be sold for profit. By limiting commercial use, creators can maintain control over their work and ensure that it is being used in accordance with their values.
Share-Alike: Someone might want to use this part of the Creative Commons license to encourage collaboration and innovation. By requiring users to share any new versions of the work under the same license, creators can ensure that their work remains open and accessible to others. This can promote creativity and encourage others to build upon existing work.
No Derivative Works: Someone might want to use this part of the Creative Commons license to protect the integrity of their work. By prohibiting changes to the work, creators can maintain control over how their work is presented and ensure that it is not altered in a way that they do not approve of. This can be important for creators who are concerned about how their work is being used and want to maintain control over its message.
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3.5 code practice
grade = str(input("What year of high school are you in?: "))
if ("grade ==Freshman"):
print("You are in grade: 9")
elif ("grade == Sophomore"):
print("You are in grade: 10")
elif ("grade == Junior"):
print("You are in grade: 11")
elif ("grade == Senior"):
print("You are in grade: 12")
else:
print("Not in High School")
It keeps printing your are in grade 9. Why?
Answers
The fixed code is shown below. input() function already returns string that's why you don't have to convert string again. Also the syntax in if-else scope is wrong.
grade = input("What year of high school are you in?: ")
if(grade.lower()=="freshman"):
print("You are in Grade 9.")
elif(grade.lower()=="sophomore"):
print("You are in Grade 10.")
elif(grade.lower()=="junior"):
print("You are in Grade 11.")
elif(grade.lower()=="senior"):
print("You are in Grade 12.")
else:
print("Wrong input!")
What are slicers used for?
O checking the accuracy of data
O accurately charting data
O adding data to a table
O quickly filtering data
Answers
Answer:
D: Quickly Filtering Data
Explanation:
Slicers are a feature in Microsoft Excel and Power BI used for filtering and segmenting data in a pivot table. They allow users to quickly filter and view a subset of data by selecting one or more items from a list, without having to manually create complex filter criteria. Slicers are used to quickly filter data and segment it by specific fields or dimensions. They do not check the accuracy of data, accurately charting data or adding data to a table.
Answer:
D) Quickly Filtering Data
Explanation:
got it right on edge
1. __ and ___ were used in first generation computers
Answers
Answer:
Explanation:
vacuum tubes and punched cards were used in first generation computers.
How does our behavior change when we know we're being watched?
Are we less likely to be ourselves? How does that relate to our behavior online?
Please help this is due today and I really need help.
Answers
I can't even say this is an answer
If there isn't a specific answer for this, I think it depends on everyone. Maybe they'd behave better knowing that their actions are being monitored. Who in their right mind is going to act like a lunatic when they know people are watching.
I think it will most likely alter their attitude in a positive way but it will also most likely be fake actions put on show
What are limitations of AI
Answers
Explanation:
Limitations of artificial intelligence. One of the main barriers to implementing AI is the availability of data. Data is often siloed or inconsistent and of poor quality, all of which presents challenges for businesses looking to create value from AI at scale.
Answer:
Risks and limitations of artificial intelligence in business
Businesses are increasingly looking for ways to put artificial intelligence (AI) technologies to work to improve their productivity, profitability and business results.
However, while there are many business benefits of artificial intelligence, there are also certain barriers and disadvantages to keep in mind.
Limitations of artificial intelligence
One of the main barriers to implementing AI is the availability of data. Data is often siloed or inconsistent and of poor quality, all of which presents challenges for businesses looking to create value from AI at scale. To overcome this, you should have a clear strategy from the outset for sourcing the data that your AI will require.
Another key roadblock to AI adoption is the skills shortage and the availability of technical staff with the experience and training necessary to effectively deploy and operate AI solutions. Research suggests experienced data scientists are in short supply as are other specialised data professionals skilled in machine learning, training good models, etc.
Cost is another key consideration with procuring AI technologies. Businesses that lack in-house skills or are unfamiliar with AI often have to outsource, which is where challenges of cost and maintenance come in. Due to their complex nature, smart technologies can be expensive and you can incur further costs for repair and ongoing maintenance. The computational cost for training data models etc can also be an additional expense.
Software programs need regular upgrading to adapt to the changing business environment and, in case of breakdown, present a risk of losing code or important data. Restoring this is often time-consuming and costly. However, this risk is no greater with AI than with other software development. Provided that the system is designed well and that those procuring AI understand their requirements and options, these risks can be mitigated.
See also Industry 4.0 challenges and risks.
Other AI limitations relate to:
implementation times, which may be lengthy depending on what you are trying to implement
integration challenges and lack of understanding of the state-of-the-art systems
usability and interoperability with other systems and platforms
If you're deciding whether to take on AI-driven technology, you should also consider:
customer privacy
potential lack of transparency
technological complexity
If you're considering writing a tender document to procure AI, you can seek help from the Northern Ireland Artificial Intelligence Collaborative Network(link is external).
AI and ethical concerns
With the rapid development of AI, a number of ethical issues have cropped up. These include:
the potential of automation technology to give rise to job losses
the need to redeploy or retrain employees to keep them in jobs
fair distribution of wealth created by machines
the effect of machine interaction on human behaviour and attention
the need to address algorithmic bias originating from human bias in the data
the security of AI systems (eg autonomous weapons) that can potentially cause damage
the need to mitigate against unintended consequences, as smart machines are thought to learn and develop independently
While you can't ignore these risks, it is worth keeping in mind that advances in AI can - for the most part - create better business and better lives for everyone. If implemented responsibly, artificial intelligence has immense and beneficial potential.
Check all of the file types that a Slides presentation can be downloaded as.
.JPEG
.doc
.xls
.PDF
.pptx
.bmp
Answers
Answer:
.JPEG
.pptx
General Concepts:
Explanation:
If we go into File, and then under Download, we should be able to see which file types that a Slides presentation can be downloaded as.
Attached below is an image of the options.
.JPEG
.pptx
Hope this helped :D
Weekly Discussion: Answer the questions Consider UCW. How would you implement sustainable practices in
this institution?
Answers
UCW can significantly reduce its environmental footprint and create a more sustainable institution.
Implementing sustainable practices in UCW can be achieved through several steps:
1. Conduct an energy audit: Start by analyzing the institution's energy consumption. Identify areas where energy is being wasted and implement energy-saving measures. This could include upgrading to energy-efficient lighting systems, installing motion sensors to control lighting and HVAC systems, and optimizing the heating and cooling systems.
2. Promote recycling and waste reduction: Set up a comprehensive recycling program across campus. Install recycling bins in strategic locations and educate students and staff on proper recycling practices. Implement measures to reduce waste generation, such as encouraging the use of reusable water bottles and providing water refill stations.
3. Encourage sustainable transportation: Promote alternative modes of transportation to reduce carbon emissions. Provide incentives for carpooling, biking, or using public transportation. Install bike racks and offer secure bike storage facilities on campus. Develop partnerships with local transportation services to provide discounted or free access to public transportation for students and staff.
4. Integrate renewable energy sources: Explore opportunities to generate renewable energy on campus. Install solar panels on rooftops or in open areas to offset energy consumption. Consider partnering with local renewable energy providers to source a portion of the institution's energy from renewable sources.
5. Implement green building practices: Ensure that any new construction or renovations on campus follow sustainable building guidelines. This includes using energy-efficient materials, optimizing natural lighting, and implementing efficient water management systems. Incorporate green spaces and native plants into the campus design to enhance biodiversity.
6. Educate and raise awareness: Develop sustainability-focused educational programs and workshops for students and staff. Encourage the incorporation of sustainability topics into the curriculum across disciplines. Raise awareness through campaigns, events, and newsletters to foster a culture of sustainability among the campus community.
7. Measure and track progress: Establish a system to monitor and evaluate the effectiveness of sustainable practices. Regularly assess energy consumption, waste reduction, and other sustainability metrics. Use this data to identify areas for improvement and set new sustainability goals.
By implementing these steps, UCW can significantly reduce its environmental footprint and create a more sustainable institution.
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why is my league client going to black screen after champion select and not letting me connect to the server despite wired internet
Answers
It seems that your League of Legends client is going to a black screen after champion select and not letting you connect to the server despite having a wired internet connection. This issue might be caused by various factors, such as software incompatibilities, firewall settings, or graphics driver issues.
There could be several reasons why your League client is going to a black screen after champion select and not letting you connect to the server despite having a wired internet connection. One possible reason could be an issue with your computer's graphics drivers or DirectX. It's also possible that your computer doesn't meet the minimum system requirements for running League of Legends, which can cause connectivity issues.
Another possible reason for the black screen issue could be due to firewall or antivirus software blocking the game's connection to the server. If this is the case, you may need to add League of Legends to your firewall or antivirus exceptions list.Additionally, there could be issues with the League of Legends servers themselves, which can cause connectivity problems for players. If this is the case, you may need to wait until the servers are back online or contact the League of Legends support team for assistance.Overall, troubleshooting connectivity issues with League of Legends can be complicated, and it may require some trial and error to determine the root cause of the problem. If you continue to experience issues, you may want to seek additional help from a technical support professional or the League of Legends community.Know more about the graphics drivers
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A customer seeks to buy a new computer for a private use at home.The customer primarily needs the computer to use the Microsoft PowerPoint application for the purpose of practice presentation skills.As a sales person what size hard disc would you recommend and why?
Answers
Answer:
The most common size for desktop hard drives is 3.5 inches, they tend to be faster and more reliable, and have more capacity. But they also make more noise.
Explanation:
If you are continually deleting and installing programs or creating content, the disc must have good reliability.
Keep in mind that larger hard drives are also a little slower, so it is preferable to opt for two smaller ones. Large hard drives are partitioned so there is no problem gettin
chbdg good performance, but if you put everything on one big disk and it breaks, you will lose everything.
If you buy 2 small disks, check that the motherboard does not limit the speed of a second hard disk.
Assume my_string references a string. Write a statement that uses a slicing expression and displays the first three characters in the string.
Write in python
8
Answers
mystring = 'waterfall' print(mystring[0:3]) uses a slicing expression to show the string's first three characters.
Which approach would you employ to ascertain whether a substring is contained within a string?The. includes() method is the most effective approach to determine whether a substring is present. It is offered by the String class and is extremely effective. The method takes a CharSequence as an input and returns true if the sequence is valid.
In Python, how do you slice a letter?The same method is used by Python to cut a string off at the end. To specify the first character to include, use the starting index; do not use the end index. String[start position:] is the syntax for performing this operation. Negative indexing can also be used for slicing.
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Answer:
Here's a Python statement that uses slicing to display the first three characters of the string referenced by my_string:
my_string = "example string"
first_three_chars = my_string[:3]
print(first_three_chars)
In this example, we first create a string my_string that contains the value "example string".
The slicing expression [:3] selects a slice of the string that starts from the beginning (denoted by : without a first index) and goes up to the 3rd character (denoted by 3).
The resulting slice is assigned to a variable first_three_chars, and then printed to the console using the print() function. This should output the first 3 characters of the string, which in this case is "exa".
Which command do you use to save a document with a new name? Choose the answer.
Save As
Save New
Save Type
Save
Answers
Answer:
Explanation:
Most word processors use Save As which not only allows you to save with a different name, but the root can be changed as well. I use LibreOffice write. Its Save As Command allows you to change the name from say J1 to Jerome and also to save the document in many of the word formats. That last ability is really important because some people only have Microsoft products. On my old computer, I have Microsoft Word 2000. If I want to transfer files, that is how I have to save the file.
overloading a function refers to having several functions with the same name but different _______ lists.
Answers
Overloading a function refers to having several functions with the same name but different parameter lists. This means that each of the overloaded functions has a different set of parameters that it can accept. When a program calls a function with a particular name, the compiler checks the arguments passed to the function and then selects the correct overloaded function to execute based on the type and number of arguments.
Overloading is a powerful feature of many programming languages, as it allows programmers to write functions that can handle different data types or perform different actions depending on the input parameters. For example, a print function may be overloaded to accept integers, floats, strings, or other types of data, each with its own implementation that is tailored to the specific input.The benefit of overloading a function is that it allows for a more flexible and reusable code. Instead of writing several functions with different names to perform similar tasks, you can write a single function with the same name and overload it with different parameter lists to handle different cases.However, it is important to use overloading judiciously and with care. Overloading too many functions with the same name can make code difficult to read and maintain. Therefore, it is important to use descriptive function names and avoid overloading unnecessarily. In summary, overloading a function allows for several functions with the same name but different parameter lists, providing a flexible and reusable code structure.
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(convert milliseconds to hours, minutes, and seconds) write a method that converts milliseconds to hours, minutes, and seconds using the following header: public static string convertmillis(long millis) the method returns a string as hours:minutes:seconds. for example, convertmillis(5500)returns a string 0:0:5, convertmillis(100000) returns a string 0:1:40 convertmillis(555550000) returns a string 154:19:10. write a test program that prompts the user to enter a long integer for milliseconds and displays a string in the format of hours:minutes:seconds. sample run enter time in milliseconds: 555550000 154:19:10 class name: exercise06 25
Answers
To create a method that converts milliseconds to hours, minutes, and seconds, you can follow the steps below:
1. Divide the input milliseconds by 1000 to convert it to seconds.
2. Calculate the hours, minutes, and remaining seconds using division and modulus operations.
3. Format the output as a string in the format "hours:minutes:seconds".
Here's the code for the `convert Milli()` method and a test program:
```java
public class Exercise06_25 {
public static void main(String[] args) {
java.util.Scanner input = new java.util.Scanner(System.in);
System.out.print("Enter time in milliseconds: ");
long millis = input.nextLong();
input.close();
String result = convertMillis(millis);
System.out.println(result);
}
public static String convertMillis(long millis) {
long totalSeconds = millis / 1000;
long seconds = totalSeconds % 60;
long totalMinutes = totalSeconds / 60;
long minutes = totalMinutes % 60;
long hours = totalMinutes / 60;
return hours + ":" + minutes + ":" + seconds;
}
}
```
This code creates a class called `Exercise06_25` and defines the `convert Millis()` method as specified. The test program prompts the user for input, calls the `convert Millis()` method with the user's input, and displays the result in the desired format. For example, if the user enters `555550000`, the output will be `154:19:10`.3.
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Which loop prints the numbers 1, 3, 5, 7, …, 99?\
c = 1
while (c <= 99):
c = c + 2
print(c)
c = 1
while (c < 99):
c = c + 1
print(c)
c = 1
while (c <= 99):
print(c)
c = c + 2
c = 1
while (c < 99):
print(c)
c = c + 1
Answers
The loop that prints the numbers 1, 3, 5, 7, …, 99 is:
The Loopc = 1
while (c <= 99):
print(c)
c = c + 2
This loop initializes the variable c to 1, then enters a while loop that continues as long as c is less than or equal to 99.
During each iteration of the loop, the value of c is printed using the print function, and then c is incremented by 2 using the c = c + 2 statement.
This means that the loop prints out every other odd number between 1 and 99, inclusive.
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Modify the program written for “Make a Number List” to remove even multiples of 3 from the ArrayList
JAVA
Answers
The new value is to update or replace the current value of the ArrayList with the new value. According to the result, index 3 value 40 has been replaced with the new value 333 and removed from the list.
How may an element in an ArrayList be changed?The set() function of the Collections class can be used to replace an element of an ArrayList. This method takes two arguments: an element to replace with and an integer parameter specifying the index of the element to be replaced.
How may a value be changed in an ArrayList?The set (int index, Object element) method is the method used the most frequently to replace an element in a Java ArrayList. The index of the old item and the new item is the two parameters required by the set() method. The set() function of the Collections class can be used to replace an element of an ArrayList. This method takes two arguments: an element to replace with and an integer parameter specifying the index of the element to be replaced.
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ou have spent the last two hours creating a report in a file and afterwards you use cat to create a new file. Unfortunately the new file name you used was the same as the name you used for the report, and now your report is gone. What should you do next time to prevent this from happening
Answers
Answer:
The answer is "Set -o noclobber command before starting."
Explanation:
Whenever this prevent is happening we set the -o noclobber command, this command( -o noclobber ) is used to prevents its > driver to overwrite system files. Or whenever the user may want to violate their file in certain cases. For this case, users can use > instead of just turn -o noclobber off! Push the formal file.
The three greater-than signs, >>>, represent a _____.
A. prompt
B. file-path
C. file name
D. IDLE
Answers
Answer:
it's A. prompt
Explanation: