A legacy system is all of the following except a system that often holds the middle tier of a multiple-tier system. The correct option is c.
What is a legacy system?Any outdated computing system, hardware, or software that is still in use is considered a legacy system. Computer hardware, software programs, file formats, and programming languages are all examples of legacy systems.
It refers to software or IT systems that have been around for a long time but should be replaced by a more recent one due to technical advances.
Therefore, the correct option is c, A system that often holds the middle tier of a multiple-tier system.
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My Section Practice Exercise 4.3.7: Password Checker Goint Let's C Write a program with a method called panemarched to return if the string is a valid password. The method should have the signature shown in the starter code. The pasword must be at least 8 characters long and may only consist of letters and digits. To pass the autograder, you will need to print the boolean return value from the Hint Consider creating a Suring that contains all the letters in the alphabet and a String that contains all digits. If the password has a character that isn't in one of those Strings, then it's an illegitimate password porcheck method. My Section racht 4.3.7: Password Checker Subesi ubmitted 1 public class Password 2-( 3 public static void main(String[] args) 5 public static void main(String[] args) { 6 //we import the input object first 7 Scanner input-new Scanner(System.in); 8 V/output the System 9 System.out.println("Please enter the Password. \n"); 10 7/Now we call the input object and take the String input 11 String passwordString - input.next(); 12 1/we parse the string and print the output 13 System.out.println(passwordCheck(passwordString)): 14 } 15- public static boolean passwordCheck(String password) { 16 // if length is more than equal to 8 AND 17 // password is a combination of characters from 18 // 0-9 OR A-Z or A-Z, we return true. 19 if(password, length()>-8 & password matches("[a-z0-9A-2]+){ 20 return true; 21 > 22 else 23 //This means is password is not valid. 24 return false; 25 3 26 1 27) < 13 ca I
Using the knowledge of computational language in JAVA it is possible to write a code that method called panemarched to return if the string is a valid password.
Writting the code:import java.util.Scanner;
// main class
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
// read string password from user
System.out.print("Please enter the Password: ");
String passwordString = sc.next();
// call function and print the result
System.out.println(passwordCheck(passwordString));
}
// method to check the password
// outputs true if correct and false otherwise
// input argument is a string of password
public static boolean passwordCheck(String password) {
// strings of alphabets and numbers
String alpha = "abcdefghijklmnopqrstuvwxyz";
String numeric = "1234567890";
// if length of password string is less than 8 we return false
if (password.length() < 8) {
return false;
}
// else we check the characters
else {
// loop to check each char in the string
for (int i = 0; i < password.length(); i++) {
String temp = Character.toString(password.charAt(i));
// if character is not an alphabet or a number we return false
if ((alpha.contains(temp) == false) && (numeric.contains(temp) == false)) {
return false;
}
}
// if code reaches here means the password is correct
return true;
}
}
}
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Question 9 (2 points) The best time delay rating for a fuse used in semiconductor circuits is O standard it doesn't matter slow-blowing O fast-blowing
The best time delay rating for a fuse used in semiconductor circuits is standard.
What is a fuse?
A fuse is an electrical safety device that protects an electrical circuit against overcurrent in electronics and electrical engineering. An integral part of it is a metal wire or strip that melts under excessive current flow, blocking or interrupting the current. The service distribution panel contains fuses as an over-current safety measure.
It basically consists of a metal piece that melts when it gets too hot. In accordance with their use in various applications, fuses can be categorized as "One Time Only Fuse," "Resettable Fuse," "Current Limiting and Non-Current Limiting fuses," and "Current Limiting and Non-Current Limiting."
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Consider a coding system where letters are represented as sequential decimal numbers starting from 0, (i.e., a=0, b=1, c= 2.... z=25). Given a string of digits (e.g. "123") as input, print out the number of valid interpretations of letters. Write an algorithm to calculate the number of valid interpretations of the letters formed by the given input Input The first line of input consists of a string - decinput representing the decimal numbers. Output Print an integer representing the number of valid interpretations for the letters formed by the given string of digits. Examples Example Input 100200300 Output: 4
Here is the pseudocode for the recursive function:
def num_interpretations(decinput: str, index: int) -> int:
# base case: if we have reached the end of the input string, return 1
if index == len(decinput):
return 1
# try to decode the current digit as a single digit
count = num_interpretations(decinput, index + 1)
# try to decode the current digit and the next digit as a pair of digits
if index + 1 < len(decinput) and decinput[index] != '0':
count += num_interpretations(decinput, index + 2)
return count
To use this function, we can call it with the input string and an initial index of 0:
decinput = "100200300"
count = num_interpretations(decinput, 0)
print(count) # prints 4
To solve this problem, we can use a recursive approach. We can start from the first digit and try to decode it in two ways: as a single digit or as a pair of digits. If we decode it as a single digit, we can move to the next digit and try to decode it in the same way. If we decode it as a pair of digits, we can move two digits ahead and try to decode the next digit. We can continue this process until we have decoded all the digits in the input string.
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Assume that the ground temperature Tg is 40 F (10 C) and that the inside temperature of the basement is 68 F (20 C) for Problem 3. Estimate the temperature between the wall and insulation, T2 and between the gypsum board and insulation T1. Answer: T1 = 64.3 F; T2 = 49.36 F
At high temperatures, there is a large amount of radiative heat transfer via the fibre insulation employed in thermal protection systems (TPS) (1200 C).
At high temperatures, fibre insulation used in thermal protection systems (TPS) radiatively transfers a substantial amount of heat (1200 C). The TPS's ability to insulate can therefore be significantly affected by reducing the radiative heat transfer through the fibre insulation. Directly applying reflective coatings to the individual fibres of a fibrous insulation should reduce radiative heat transfer, resulting in a less effective thermally conductive insulation. Sol-gel processes have been used to create coatings with high infrared reflectivity. By using this method, fibre insulation can receive uniform coatings without noticeably increasing its weight or density. To assess coating performance, ellipsometry, scanning electron microscopy, and Fourier Transform infrared spectroscopy have all been used.
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a(n) ____ cursor is automatically created in procedural sql when the sql statement returns only one value.
An implicit cursor is automatically created in procedural sql when the sql statement returns only one value.
What is SQL?In order to interact with and modify databases, programmers use SQL (Structured Query Language). Many businesses must learn SQL if they want to make the most of the mountains of data they collect. Here is all the information you need to know about accessing and modifying data using SQL.
Users can access specific data they need at any time by using SQL, which helps manage the information stored in databases.
Even though SQL is a straightforward programming language, it is incredibly strong. In actuality, SQL is capable of adding data to database tables, altering data in already-existing database tables, and deleting data from SQL database tables. SQL can also change the database structure by adding, deleting, and altering tables.
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A an) is an individual stationed outside one or more permit spaces who monitors the authorized entrants. a. entrant b. attendant c. competent person d. monitor
The correct answer to the given question about individual stationed outside one or more permit spaces is option b) Attendant.
In a wide range of venues, including hotels, restaurants, parking lots, outdoor facilities, and retail stores, attendants carry out a variety of activities related to customer care and assistance. They help customers, give information, and make sure everything runs smoothly. Keeping operational spaces clean and organized, keeping an eye on product inventory, and obtaining essential supplies are all duties of attendants. Helps patients with their daily activities of life by ambulating, rotating, and placing them as well as helping with meal preparation and feeding them as needed. In order to give visitors a welcoming and comfortable stay, room attendants are in charge of maintaining and cleaning guest rooms. Performing general and regular maintenance. Maintain the premises in a tidy and clean manner.
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Which of the following captures the timelines for product deployment during the course of the project? 1. Product Backlog 2. Project Vision statement 3. Epics) 4. Release Planning Schedule
Backlogs for products and sprints are essential to agile planning. They list every action that needs to be taken to complete a project in detail.
Every product team is in charge of jotting down fresh suggestions and requests for improvements. These inputs are what fuel innovative business practises and a supportive workplace culture. However, you must do more than serve as a sounding board for various ideas. You require a method for compiling and assessing requests for your current roadmap. Most product teams utilise a backlog of some form to organize ideas and ongoing project.
Agile approaches are the foundation of the backlog idea. Many teams continually prioritize what to build and when using adaptive planning strategies. Even teams that do not strictly adhere to the agile methodology now frequently use backlogs to organize and prioritise work items.
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What does the following code display?
int d = 9, e = 12;
System.out.printf("%d %d\n", d, e);
a. %d 9
b. %9 %12
c. %d %d
d. 9 12
Currency Exchange Programming challenge description: Given A list of foreign exchange rates A selected curreny A target currency Your goal is to calculate the max amount of the target currency to 1 unit of the selected currency through the FX transactions. Assume all transations are free and done immediately If you cannot finish the exchange, return Input: You will be provided a list of fx rates, a selected currency, and a target currency. For example: FX rates list: USD to JPY 1 to 109 USD to GBP 1 to 0.71 GBP to JPY 1 to 155 Original currency: USD Target currency : OPY Output: Calculated the max target currency will can get. For example: USD to JPY -> 109 USD to GBP to JPY = 0.71 . 155 = 110.05 > 109. so the max value will be 110.05 Test 1 Test Input USD, GBP, 0.7;USD, JPY, 109;GBP, JPY, 155; CAD, CNY, 5.27; CAD, KRW, 921 USD CNY USD to GBP 1 to 0.71 GBP to JPY 1 to 155 Original currency: USD Target currency : JPY Output: Calculated the max target currency will can get. For example: USD to JPY -> 109 USD to GBP to JPY = 0.71 155 = 110.05 > 109, so the max value will be 110.95 Test 1 Test Input USD, GBP, 0.7;USD, JPY, 109; GBP, JPY, 155; CAD, CNY,5.27;CAD, KRW, 921 USD CNY Expected Output -1.2 Test 2 Test Input USD, CAD, 1.3;USD, GBP, 0.71; USD, JPY, 109;GBP, JPY, 155 USD JPY Expected Output 110.05 1 import sys 2 for line in sys.stdin: print(line, end="") 3
The Currency Exchange Programming for max amount of the target currency to 1 unit of the selected currency can be written using python.
The programming code in python is,
#The given code start
import sys
for line in sys.stdin:
print(line, end="")
#The given code end
break
list_foreign_exchange = line.strip()
selected_currency = ""
target_currency = ""
found = False
max1 = 0
for line in sys.stdin:
print(line, end="")
if list_foreign_exchange == "":
list_foreign_exchange = line.strip()
elif selected_currency == "":
selected_currency = line.strip()
else:
target_currency = line.strip()
break
if selected_currency == target_currency:
print("0")
else:
currency = []
currency_string = list_foreign_exchange.split(";")
for cur in currency_string:
currency.append(cur.split(","))
for cur in currency:
if (selected_currency == cur[0]) and (target_currency == cur[1]):
max1 = float(cur[2])
found = True
break
max2 = 1
tried_index = 0
ref = selected_currency
for cur in currency:
if ref == cur[0]:
ref = cur[1]
max2 *= float(cur[2])
if cur[1] == target_currency:
found = True
break
if found == True:
if (max2 > max1):
print(max2)
else:
print(max1)
else:
print('-1.0')
In the code above, we use loop statement to iterate each currency and IF-ELSE function to check the each condition, so we can get the result exactly to the goal.
You question is incomplete, but most probably your full question was
(image attached)
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Which of the following statements assigns a random integer between 1 and 10 , inclusive, to rn ? a. int rn=(int)(Math. random ())+10b. int rn=(int)(Math.random ())+10+1c. int rn=(int)(Math.random ()+10)d. int rn=(int)(Math.random( )+1θ)+1e. intrn=(int)(Math. random ()+1)+10
A double that is larger than 0 and less than 1 is what the Math.random() function produces. This number evaluates to a double that is more than or equal to 0 and less than 10 when multiplied by 10.
Which of the following expressions will yield a random integer between the ranges of 5 and 10 inclusively?Similar to that, if you require random numbers between 5 and 10, you must call nextInt(5, 11), as 5 is inclusive but 11 is exclusive, and this will return any result between 5 and 10.
What does math random () mean?Math.random() The floating-point, pseudo-random number that is returned by the Math.random() function has a roughly uniform distribution over the range from larger than or equal to 0 to 1.
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There are several books placed in the HackerStudy library. One of those books on mathematics described an interesting problem that a mathematician wishes to solve. For an array arrof n integers, the mathematician can perform the following move on the array: 1. Choose an index i(0≤i
There are a number of books in the HackerStudy collection that can help you build code using your understanding of Python's computational language.
the code will be
include<iostream>
using namespace std;
long getMaximumScore(int arr[],int k,int n)
{
long count=0,sum=0;
for(int i=0;i<n-1;i++)
{
for(int j=0;j<n-i-1;j++)
{
if(arr[j+1]>arr[j])
{
arr[j+1]=arr[j+1]+arr[j];
arr[j]=arr[j+1]-arr[j];
arr[j+1]=arr[j+1]-arr[j];
}
}
}
for(int i=0;i<n;i++)
{
if(count==k)
return sum;
else
{
sum=sum+arr[i];
count++;
}
}
}
int main()
{
int n,k;
cin>>n;
int arr[n];
for(k=0;k<n;k++)
cin>>arr[k] ;
cin>>k;
cout<<getMaximumScore(arr,k,n);
return 0;
}
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express the following decimal numbers in binary, octal, and hexadecimal forms: a. 173; b. 299.5; c. 735.75
A binary number is a number that is expressed using the base-2 numeral system or binary numeral system, a way of expressing numbers in mathematics that typically only employs the symbols "0" (zero) and "1." (one).
What is numeral system?A numeral system, also known as a system of numeration, is a method of writing numbers; it is a type of mathematical notation used to consistently represent a set of numbers by using digits or other symbols.
In various numeral systems, the same set of symbols can represent various numbers. For instance, the number "11" stands for the numbers eleven in the decimal system, which is used in everyday life, three in the binary system, which is used in computers, and two in the unary system.
Binary Octal Hexadecimal
1) 173 = 10101101₂ = 255₈ = AD₁₆
2) 299.5 = 100101011.1000₂ = 453.4₈ = 12 B.8₁₆
3) 735.75 = 1011011111.1100₂ = 1337.6₈ = 2 DF.C₁₆
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A compressor that has the motor and compressor in a housing that is bolted together is called a(n) __________ type.
Bolting is used to assemble semi-hermetic compressors rather than welding. The primary distinction between hermetic and semi-hermetic compressors is this.
The crucial components of semi-hermetic compressors are housed in a cast iron housing. Even though they are still housed together, the motor and compressor are still accessible. Instead of the system failing completely, this enables maintenance checks and the repair or replacement of pieces as they deteriorate.
Centrifugal force causes the oil to flow, which lubricates hermetic compressors. While having an oil pump and what is known as forced lubrication, semi-hermetic compressors do not.
Gas pours into the area of low pressure through a suction valve input. The suction valve closes during the piston's upstroke, forcing the exhaust valve to open as a result of mounting pressure. The gas is compelled through the system's discharge, or high pressure, side after being compressed.
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Develop the tree table from the minimum tree for node 1 shown below. 10 Question 2 Sketch the network described by the accompanying link table. Find by observation the 'minimum tree' from node 1 and 2, respectively. Make a Tree Table for the 'minimum tree' for node1
Intrusion detection system/ Intrusion prevention system (IDS/IPS) was the based on the Says/Application domain, Remote access domain, LAN to WAN domain. Integrity/Availability is the CIA function(s).
What is domain?Domains allude to the capacity to teach pupils to think critically by employing techniques that make the greatest sense to them. There are three types of domains: psychomotor, emotional, and cognitive.
There were the Information Security Applications and Defensive measures, Domain, and Cryptography. Remote access domain: private virtual networks (VPNs), laptops with VPN software, and SSL/VPN tunnels. System/Application domain: Hardware, operating system software, DBMS, client/server apps, and data that are often hosted in the data center and computer rooms of an enterprise.
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What order should I connect my modem and router?
Answer: modem then router
Explanation: the wireless signal you will get is from the router but to get that signal you need to have the modem working.
Optimal Setup of Wireless Channels You control three wireless channels with access points. Neighboring wireless networks may cause wireless interference. Your goal is to move your wireless channels to minimize the interference. Make sure there is as little overlap as possible for all wireless channels. Once you have optimally positioned your channels, click "Submit." If successful, click the "Next" button for the next scenario. If your answer is wrong, try again. Good luck! Next Submit GHz 2.412 2417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 Neighbouring wifi has been set up at 2.427 GHz
In order to minimize interference, you should choose wireless channels that are as far apart as possible from the neighboring wireless network. In this case, you could use the 2.412 GHz, 2.442 GHz, and 2.472 GHz channels. These channels are at least 5 MHz apart from the neighboring network's channel, which should help to reduce interference.
Wireless channel optimization is the process of choosing the best channel for a wireless network to operate on. This is important because different channels can have different levels of interference, and selecting the best channel can improve the performance of the wireless network.
There are several factors that can affect the performance of a wireless channel, including the presence of other wireless networks, the distance between the devices, and the type of environment. To optimize a wireless channel, you can try the following steps:
Identify the channels being used by other wireless networks in the area. This can be done using a wireless scanning tool or by checking the channel settings on the other networks.Choose a channel that is not being used by any other networks in the area, or that has the least amount of overlap with other channels.Experiment with different channels to find the one that provides the best performance for your network.Monitor the performance of the wireless network to ensure that it remains optimal. If you notice a decline in performance, try switching to a different channel to see if it improves.Learn more about Wireless Channels Optimization, here https://brainly.com/question/28365848
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Programming Exercise 2.4 Create a program that takes the radius of a sphere (a floating-point number) as input and then outputs the sphere's: Diameter (2 × radius) Circumference (diameter × π) Surface area (4 × π × radius × radius) Volume (4/3 × π × radius × radius × radius)
The Python code that can help in the Programming Exercise is given below:
import math
def sphere_properties(radius):
diameter = 2 * radius
circumference = diameter * math.pi
surface_area = 4 * math.pi * radius * radius
volume = 4/3 * math.pi * radius * radius * radius
print("Diameter: ", diameter)
print("Circumference: ", circumference)
print("Surface Area: ", surface_area)
print("Volume: ", volume)
radius = float(input("Enter the radius of the sphere: "))
sphere_properties(radius)
What is the Python code about?The above code defines a function sphere_properties that takes the radius of the sphere as input and calculates the diameter, circumference, surface area, and volume of the sphere. The value of π is obtained from the math module.
Therefore, the function prints the values of the diameter, circumference, surface area, and volume of the sphere.
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alter the program so that a valid password consists of 10 charac- ters, 6 of which must be digits and the other 4 letters.
To alter the program so that a valid password consists of 10 charac- ters, 6 of which must be digits and the other 4 letters.
What is password?A password is a group of characters used to verify a user's identity on a computer system. You might, for instance, need to log in to a computer account. You must enter a true username and password in order to access your account. The term "login" is frequently used to describe this combination. Passwords are private to each user, whereas usernames are typically public knowledge.
Most passwords are made up of a number of characters, which can typically include letters, numbers, and the majority of symbols but not spaces. While picking a password that is simple to remember is a good idea, you shouldn't make it so straightforward that anyone can figure it out.
//CODE//
#include <iostream>
#include <cstring>
#include <cctype>
// #include
using namespace std;
// function prototypes
bool testPassWord(char[]);
int countLetters(char *);
int countDigits(char *);
int main() {
char passWord[20];
cout << "Enter a password consisting of exactly 10 characters, 6 digits and the other 4 letters:"
<< endl;
cin.getline(passWord, 20);
if (testPassWord(passWord))
cout << "Please wait - your password is being verified" << endl;
else {
cout << "Please enter a password with exactly 10 letters, 6 digits and 4 other"<< endl;
cout << "For example, my1237Ru99jhsggs is valid" << endl;
}
// Fill in the code that will call countLetters and countDigits and will
// print to the screen both the number of
// letters and digits contained in the password.
cout << "There are " << countLetters(passWord)
<< " letters in the password.\n";
cout << "There are " << countDigits(passWord) << " digits in the password.\n";
if (countLetters(passWord) == 10 && countDigits(passWord) == 6 && strlen(passWord)==20) {
cout << "password: " << passWord << endl;
} else
cout << "So, password: " << passWord << endl;
system("PAUSE"); // Pause the system for a while
return 0;
}
//**************************************************************
// testPassWord
//
// task: determines if the word in the character array passed to it, contains
// //exactly 10 letters, 6 digits and 4 other letters.
// data in: a word contained in a character array
// data returned: true if the word contains 10 letters, 6 digits and 4 other letters
// digits, false otherwise
//
//**************************************************************
bool testPassWord(char custPass[]) {
int numLetters, numDigits, length;
length = strlen(custPass);
numLetters = countLetters(custPass);
numDigits = countDigits(custPass);
// Check valid password consists of 10 characters,6 of which must be digits
// and the other 4 letters
if (numLetters == 10 && numDigits == 6 && length == 20)
return true;
else
return false;
}
//**************************************************************
// countLetters
//
// task: counts the number of letters (both
// capital and lower case)in the string
// data in: a string
// data returned: the number of letters in the string
//
//**************************************************************
int countLetters(char *strPtr) {
int occurs = 0;
while (*strPtr != '\0') {
if (isalpha(*strPtr))
occurs++;
strPtr++;
}
return occurs;
}
//**************************************************************
// countDigits
//
// task: counts the number of digits in the string
// data in: a string
// data returned: the number of digits in the string
//
//**************************************************************
int countDigits(char *strPtr) {
int occurs = 0;
while (*strPtr != '\0') {
if (isdigit(*strPtr)) // isdigit determines if the character is a digit
occurs++;
strPtr++;
}
return occurs;
}
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Suppose you are working as a lead project manager in a software house "Alpha Solutions". For a new project, you need to decide which process model will be the most appropriate.
Project “gameBuddy” is an Android application, a stable screen recorder/game recorder/video saver for Android, also a powerful all-in-one video editor and photo editor that lets you record game while playing, with one touch. Capture screen and edit video with filters, effects, music. You can draw on screen while recording, easily record phone screen with internal/external voice.
The best thing about this project is that customer is quite knowledgeable, and we have similar products in the market as well but the project timeline is a bit tight. The customer has expressed his interest in evaluating solution modules to ensure business requirements and quality standards are being met. Documentation is not compulsory, but if developed, will definitely increase the quality of the product. Your team has just completed the previous project very skillfully and efficiently.
Using the knowledge in computational language in JAVA it is possible to write a code that Capture screen and edit video with filters, effects, music. You can draw on screen while recording, easily record phone screen with internal/external voice.
Writting the code:package com.exchange;
class Recv
{
private String lhs;
private String rhs;
private String error;
private String icc;
public Recv(
{
}
public String getLhs()
{
return lhs;
}
public String getRhs()
{
return rhs;
}
}
public class Convert extends HttpServlet {
protected void processRequest(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String query = "";
String amount = "";
String curTo = "";
String curFrom = "";
String submit = "";
String res = "";
HttpSession session;
resp.setContentType("text/html;charset=UTF-8");
PrintWriter out = resp.getWriter();
/*Read request parameters*/
amount = req.getParameter("amount");
curTo = req.getParameter("to");
curFrom = req.getParameter("from");
try {
query = "+ amount + curFrom + "=?" + curTo;
URL url = new URL(query);
InputStreamReader stream = new InputStreamReader(url.openStream());
BufferedReader in = new BufferedReader(stream);
String str = "";
String temp = "";
while ((temp = in.readLine()) != null) {
str = str + temp;
}
Gson gson = new Gson();
Recv st = gson.fromJson(str, Recv.class);
String rhs = st.getRhs();
StringTokenizer strto = new StringTokenizer(rhs);
String nextToken;
out.write(strto.nextToken());
nextToken = strto.nextToken();
if( nextToken.equals("million") || nextToken.equals("billion") || nextToken.equals("trillion"))
{
out.println(" "+nextToken);
}
} catch (NumberFormatException e) {
out.println("The given amount is not a valid number");
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
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39. Get the Groups As new students begin to arrive at college, each receives a unique ID number, 1 to n. Initially, the students do not know one another, and each has a different circle of friends. As the semester progresses, other groups of friends begin to form randomly. There will be three arrays, each aligned by an index. The first array will contain a queryType which will be either Friend or Total. The next two arrays, students1 and students, will each contain a student ID. If the query type is Friend, the two students become friends. If the query type is Total, report the sum of the sizes of each group of friends for the two students. Example n = 4 query Type = ['Friend', 'Friend', 'Total'] student 1 = [1, 2, 1] student2 = [2, 3, 4] Initial Friend 1 2 & Friend 2 3 Total 14 Size:1 Size:1 Size:1 Size:1 Size:3 Size:1 3 + 1 = 4 2 The queries are assembled, aligned by index: Index student2 studenti 1 0 2 query Type Friend Friend Total 1 2 3 2 1 4 Students will start as discrete groups {1}, {2},{3} and {4}. Students 1 and 2 become friends with the first query, as well as students 2 and 3 in the second. The new groups are {1, 2}, {2, 3} and {4} which simplifies to {1, 2, 3} and {4}. In the third query, the number of friends for student 1 = 3 and student 4 = 1 for a Total = 4. Notice that student 3 is indirectly part of the circle of friends of student 1 because of student 2. Function Description Complete the function getTheGroups in the editor below. For a query of type Total with an index of j, the function must return an array of integers where the value at each index j denotes the answer. getTheGroups has the following parameter(s): int n: the number of students string query Type[g]: an array of query type strings int student1[q]: an array of student integer ID's int student2[q]: an array of student integer ID's Constraints • 1sns 105 • 15qs 105 • 1 s students 1[i], students2[i] n query Types[i] are in the set {'Friend', 'Total'} . Input Format for Custom Testing Input from stdin will be processed and passed to the function as follows: The first line contains an integer n, the number of students. The next line contains an integer q, the number of queries. Each of the next qlines contains a string queryType[i] where 1 sisq. The next line contains an integer q, the number of queries. Each of the next qlines contains a string students1[i] where 1 sisq. The next line contains an integer q, the number of queries. Each of the next qlines contains a string students2[i] where 1 sisq. Sample Case o Sample Input 0 STDIN Function 3 → n = 3 2 → queryType [] size q = 2 Friend – query = ['Friend', 'Total'] Total 2. → students1[] size q = 2 1 → studentsl = [1, 2] 2 2 → students2[] size q = 2 2 → students2 = [2, 3] 3 Sample Output 0 3 Fynlanation 0
Python's computational language can be used to create a code whose first line comprises an integer containing the number of students.
The Python code that can conclude the number of the student is gonna be as follows:
#include<bits/stdc++.h>
using namespace std;
const int Mx=1e5+5;
int par[Mx],cnt[Mx];
void ini(int n){
for(int i=1;i<=n;++i)par[i]=i,cnt[i]=1;
}
int root(int a){
if(a==par[a])return a;
return par[a]=root(par[a]);
}
void Union(int a,int b){
a=root(a);b=root(b);
if(a==b)return;
if(cnt[a]>cnt[b])swap(a,b);
par[a]=b;
cnt[b]+=cnt[a];
}
int* getTheGroups(int n,int q,int sz,string queryTypes[],int student1[],int student2[],int* ans){
ini(n);
int current=0;
for(int i=0;i<q;++i){
if(queryTypes[i]=="Friend"){
Union(student1[i],student2[i]);
}
else{
int x=root(student1[i]),y=root(student2[i]);
if(x==y)ans[current++]=cnt[x];
else ans[current++]=cnt[x]+cnt[y];
}
}
return ans;
}
int main(){
int n,q,sz=0;
cin>>n>>q;
string queryTypes[q];
int student1[q],student2[q];
for(int i=0;i<q;++i){
cin>>queryTypes[i];
if(queryTypes[i]=="Total")
++sz;
}
cin>>q;
for(int i=0;i<q;++i)cin>>student1[i];
cin>>q;
for(int i=0;i<q;++i)cin>>student2[i];
int ans[sz];
int* ptr=getTheGroups(n,q,sz,queryTypes,student1,student2,ans);
for(int i=0;i<sz;++i)
cout<<ptr[i]<<endl;
return 0;
}
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What refers to an objects shape and structure, either in two dimensions (for example, a portrait painted on canvas) or in three dimensions (such as a statue carved from a marble block).
The term "form" refers to an object's shape and structure, either in two dimensions (for example, a portrait painted on canvas) or in three dimensions (such as a statue carved from a marble block).
What is the Form?Form is an integral part of any artwork and can be used to convey emotion and meaning. Form can be used to create a sense of balance, contrast, and unity in a composition. In two dimensional works, form is typically created through the use of line, shape, and value. In three dimensional works, form is created through the use of volume, space, and texture. Form is an essential element of art and can be used to evoke a range of emotions and meanings.
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Consider the postfix expression: A-B+C*(D*E-F)/(G+H*K). The equivalent postfix (reverse Polish notation) expression is:
A.
AB-C+DE*F-GH+K**/
B.
AB-CDE*F-*+GHK*+/
C.
ABC+-E*F-*+GHK*+/
Problem-solving becomes quicker and more effective thanks to RPN's elimination of the necessity for parenthesis in complicated calculations and keystroke reduction. The lowest two rows of the stack are always collapsed when an operator key (+ - x) is pressed. Thus, option C is correct.
What postfix (reverse Polish notation) expression?The “infix notation” of conventional arithmetic expressions, in which the operator symbol appears between the operands, is in contrast to reverse Polish notation, also referred to as postfix notation. In real life, a stack structure makes it simple to assess RPN.
In contrast to the format we are accustomed to, infix notation, where the operator is between the numbers, the notation is chosen because the format that the equation is in makes it easier for machines to understand.
Therefore, ABC+-E×F-*+GHK*+/
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Use the ________________ property to configure rounded corners with CSS?
Answer: border-radius
Explanation:
Use the node-voltage method to find vo and the power delivered by the current source in the circuit in figure, if the v = 30V and the i = 1.9A . Use the node a as the reference node to find vo. Use the node b as the reference node to find vo. Find the power delivered by the 1.9A current source.
p=61.75W
(a)
use node a as reference and is shown in Figure 1
Apply KCL at super node between b and c
=1.9+V^b/50+v^c/150+V^C?20+55=0
=v ^b/50+v^c/150+V^C/75=-1.9
=v^ b + v^ c=-1.9(50)
=v^ b +V^ C=-95.....(1)
From super node b and c,
v^ b-v ^c=30.....(2)
by solving equation 1 and 2
V^ b=-32.5V
V^ c=-62.5V
therefore the voltage V^ 0=-32.5V
(B) Apply KCL at node a.
-1.9+v^ a/50+v^ a- v^ c/150+v^a-v^c+20+55+0
V^ a/50+v^a-V^c/150+v^a-v^c/75=1.9
v^ a/50+v^a-v^c/50=1.9
v^ a+ v^ a - v^ c=1.9(50)
2V^ a -v^ c=95....(1)
put V^ c=-30v in equation(1)
2V^ a-(-30)=95
2V^ a=(95-30)
v^ a= 32.5V
From figure 2, the voltage v^ 0=-v^ a
therefore v^ 0=-32.5 V
(c) power delivered by the 1.9 A current source is
p=iv^ 0
=(1.9)(-32.5)
=-61.75W
The negative sign indicates the power delivering by a source,
P=61.75W
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Once the needs have been defined in the logical network design, the next step is to develop a(n) __________.
a. application
b. baseline
c. technology design
d. turnpike design
e. backplane design
Once the needs have been defined in the logical network design, the next step is to develop a technology design.
What is technology design?Practical applications are used to illustrate the engineering scope, content, and professional practises in technological design. In order to solve engineering design problems and create innovative designs, students in engineering teams use concepts and abilities from technology, science, and mathematics.
Engineering design criteria like design effectiveness, public safety, human factors, and ethics are researched, developed, tested, and evaluated by students. For students interested in engineering, design, innovation, or technology, this course is a must-take.
Students who take Technological Design are prepared for the capstone Engineering Design course, which serves as a transitional course for post-secondary study.
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Question 7 (10 points) ✓ Saved Regarding GC (Garbage Collection) in Java, which of the following statements is true? Java developers need to explicitly create a new thread in order to deallocate the used memory space. A Java GC process is responsible to take care of heap memory and deallocate the space occupied by those objects no longer used. The Java memory management API allows developers to write code directly deallocating the used memory space. JDK offers an interface for Java developers to use in managing the memory heap, e.g. deallocate the memory after a given period of time. Question 8 (10 points) ✓ Saved About array and ArrayList in Java, which of the following statements is false? ArrayList is mutable but array is immutable Underlying implementation of ArrayList depends on array ArrayList is unsafe in terms of concurrency ArrayList is immutable but array is mutable
Regarding GC (Garbage Collection) in Java, the statements that is true is option B:
A Java GC process is responsible to take care of heap memory and deallocate the space occupied by those objects no longer used.In regards to array and ArrayList in Java, the statement that is false is option A: ArrayList is mutable but array is immutable
What is ArrayList about?In Java, the GC (Garbage Collection) process is responsible for automatically deallocating the memory space occupied by objects that are no longer in use. This helps to prevent memory leaks and improve the efficiency of the Java application.
Note that An array is immutable, which means that its size cannot be changed once it is created. In contrast, an ArrayList is a dynamic data structure that can store an expandable list of elements.
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Which statement is true about the pricing model on AWS? (Select the best answer.) In most cases, there is a per gigabyte charge for inbound data transfer. Storage is typically charged per gigabyte. Compute is typically charged as a monthly fee based on instance type. Outbound charges are free up to a per account limit.
It is to be noted that the statement that is true about the pricing model on AWS is: "Storage is typically charged per gigabyte." (Option B)
What is AWS?One is to note that Amazon Web Services (AWS), Inc. is an Amazon company that offers metered, pay-as-you-go cloud computing platforms and APIs to consumers, businesses, and governments. Clients frequently use this in conjunction with autoscaling.
AWS has a pay-as-you-go pricing model, so you only pay for the resources you utilize. The kind and quantity of resources utilized, the area in which the resources are hosted, and the length of time the resources are used are all factors that might impact the cost of utilizing AWS.
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Part A
Determine the force in members CD of the truss, and state if the member is in tension or compression. Take P = 1570lb
FCD =
Part B
Determine the force in members HI of the truss, and state if the member is in tension or compression. Take P = 1570lb .
FHI =
Part C
Determine the force in members CJ of the truss, and state if the member is in tension or compression. Take P = 1570lb .
FCJ =
The tension or compression of F CD = 3375 lb (G), F HI = 5625 lb (G), F CJ = 6750 lb (G)
Latin roots for the verb "to stretch" give us the word "tension." testing a portion of the force, such as a particular type of pull force. Any two physically connected objects may apply forces to one another. Depending on the kinds of things in contact, this contact forces different names. The force tensions are what we refer to when one of the items applying the force is a rope, string, chain, or cable. The force that results from compressing a material or object is called the compression force. Compression forces are the result of shearing forces aligning into one another. From hand tools to compression brakes, the compression force is employed to power everything. An essential engineering aspect is the compressive strength of materials and structures.
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On mountain roads, if you have ____ or more vehicles behind you, you must use turnouts to let them pass.
On mountain roads, if you have __5__ or more vehicles behind you, you must use turnouts to let them pass.
Before passing a bus or truck, be sure you can see the driver in the side mirror. To safely and quickly pass the truck or bus, signal loudly, then move into the left lane and speed up. Stay out of the blind spot. In order to observe any items through the rear view glass on the right side and rear of the car, you should be backing up with your head pointed toward the right rear of your vehicle. Driving on two-way streets is simpler since you can readily observe the approaching cars. Never cross the centerline when you get close to a hill's top.
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when an engine that has a full feathering hartzell propeller installed is shut down on the ground what component prevents the blades from feathering
A part that stops the blades from feathering is a latch mechanism made of springs and lock pins.
How does a propeller that feathers operate?A mechanism in feathering propellers allows the pitch to be adjusted to an angle of around 90 degrees. A propeller is typically feathered when the engine is unable to generate enough power to turn it. The drag on the aircraft is decreased by angling the propeller parallel to the direction of flight.
What happens when the engine is feathered?Feathing is the term used to describe this procedure. On an engine that has failed or has been turned off on purpose, feathering the propeller during flight significantly minimizes the drag that would result from the blade pitch in any other state.
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