Which of the following is called -6 .the stream insertion operator
Q: The symbol for the stream extraction operator is_______.
A: Given: The symbol for the stream extraction operator is_______.
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Q: The symbol for the stream insertion operator is______________
A: Insertion operation is used to output some value or string on any output device.
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Q: The symbol for the stream extraction operator is+__________________
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Q: Create a stream insertion operator and define it.
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- # dates and times with lubridateinstall.packages("nycflights13") library(tidyverse)library(lubridate)library(nycflights13) Qustion: Create a function called date_quarter that accepts any vector of dates as its input and then returns the corresponding quarter for each date Examples: “2019-01-01” should return “Q1” “2011-05-23” should return “Q2” “1978-09-30” should return “Q3” Etc. Use the flight's data set from the nycflights13 package to test your function by creating a new column called quarter using mutate()Problem DNA: Subsequence markingA common task in dealing with DNA sequences is searching for particular substrings within longer DNA sequences. Write a function mark_dna that takes as parameters a DNA sequence to search, and a shorter target sequence to find within the longer sequence. Have this function return a new altered sequence that is the original sequence with all non-overlapping occurrences of the target surrounded with the characters >> and <<. Hints: ● String slicing is useful for looking at multiple characters at once. ● Remember that you cannot modify the original string directly, you’ll need to build a copy. Start with an empty string and concatenate onto it as you loop. Constraints: ● Don't use the built-in replace string method. All other string methods are permitted. >>> mark_dna('atgcgctagcatg', 'gcg') 'at>>gcg<<ctagcatg' >>> mark_dna('atgcgctagcatg', 'gc')…1- Persistent variables cannot be accessed from outside the function. (True or False 2- Define a 5*1 empty cell array and then fill it with ones. 3- If A=[5 2] and B-[8; 9; 6] then create 3*3 matrix by concatenating A and B. 4- If S=struct([1), then the size(S)= 5- What is the value of I= any([1, 0, 3]&&[0, 8, 0]) in Matlab? I= 6- If K=[2 5 7], then max(K, 5.5)= matlab
- Perform the following. 1) Conver the infix expression a/b-c+d*e-a*c into postfix expression and trace that postfix expression for given data a=6, b=3, c=1, d=2 , e=4 .2) A student is asked to develop an application as part of mini project which reverses the order of numbers, such that the number that is placed last in the list will be removed first. The list can hold any number of elements. Implement the following menu based C++program for the same.String Pair // Problem Description // One person hands over the list of digits to Mr. String, But Mr. String understands only strings. Within strings also he understands only vowels. Mr. String needs your help to find the total number of pairs which add up to a certain digit D. // The rules to calculate digit D are as follow // Take all digits and convert them into their textual representation // Next, sum up the number of vowels i.e. {a, e, i, o, u} from all textual representation // This sum is digit D // Now, once digit D is known find out all unordered pairs of numbers in input whose sum is equal to D. Refer example section for better understanding. // Constraints // 1 <= N <= 100 // 1 <= value of each element in second line of input <= 100 // Number 100, if and when it appears in input should be converted to textual representation as hundred and not as one hundred. Hence number…What's Hiding Amongst the Crowd? Language - Java Script A word is on the loose and now has tried to hide amongst a crowd of tall letters! Help write a function to detect what the word is, knowing the following rules: The wanted word is in lowercase. The crowd of letters is all in uppercase. Note that the word will be spread out amongst the random letters, but their letters remain in the same order. ● Examples detectWord("UcUNFYGaFYFYGtNUH") → "cat" detectWord("bEEFGBuFBRrHgUHINFYaYr") → "burglar" detectWord("YFem HUFBbezFBYZF BYLleGBYEFGBMENTment") → "embezzlement"
- Write a function that displays an n-by-n matrix using the following header: void printMatrix(int n)Each element is 0 or 1, which is generated randomly. Write a test program that prompts the user to enter n and displays an n-by-n matrix.Function 3: Positive Unique Numbers _missingSpace(string) Create a JavaScript Arrow function that meets the following requirements: • Authored using arrow expression syntax (constant name _missingSpace) • The function is passed a string argument • The function inserts a white space between every instance of a lowercase character followed immediately by an uppercase character, and returns the modified string, with whitespaces, back to the caller. • Console log output is NOT permitted.Exercise Objectives Problem Description Write a program that reads a string and mirrors it around the middle character. Examples: abcd becomes cdab. abcde becomes deCab AhmadAlami becomes AlamiAhmad Page 1 of 2 Your program must: • Implement function void reflect (char* str) which receives a string (array of characters) and mirrors it. This function does not print anything. • Read from the user (in main()) a string and then print the string after calling function reflect(). • Use pointers and pointer arithmetic only. The use of array notation and/or functions from the string.h library is not allowed.
- Corner Case Write a function called corners that takes a matrix as an input argument and returns four outputs: the elements at its four corners in this order: top left, top right, bottom left and bottom right. (Note that loops and if-statements are neither necessary nor allowed as we have not covered them yet.) See an example run below: > [a, b, c, d] = corners([1 2; 3 4]) a = 1. 2 C = 3 4 Function e A Save C Reset MATLAB Documentation 1 Code to call your function e C Reset 1 A = randi(100,4,5) 2 [top_left, top_right, bottom_left, bottom_right] = corners (A) 3 B = [1; 2] 4 [top_left, top_right, bottom_left, bottom_right] = corners (B)Homework 10-2 Programming Challenge: 12 - Password Verifier Use the string data type. Do not use arrays of type char or any functions in the old "C String" libraries. Six characters? Seriously? Set the minimum password length to twelve characters. We will also require that the password not contain any space characters. In addition to the requirement that the password contain at least one upper case letter, one lower case letter, and one digit, add the additional requirement that the password contain at least one "special" character. We will consider any character that is printable, not alphanumeric, and not a space character to be "special." That includes punctuation, but may include additional non-punctuation characters. Unfortunately at our level of C++ it's more or less impossible for us to actually test passwords like Señor_99 but the ñ (with a tilde) would count as a special character using our rules. Write functions to complete these tasks as appropriate.CODING LANGUAGE: R (similar to python) R is a programming language for statistical computing and graphics supported by the R Core Team and the R Foundation for Statistical Computing. The Behdel TestThe Bechdel test asks whether a work of fiction features at least two women who talk to each otherabout something other than a man, and there must be two women named characters.In this mini analysis we work with the data used in the FiveThirtyEight story titled:"The Dollar-And-Cents Case Against Hollywood's Exclusion of Women"https://fivethirtyeight.com/features/the-dollar-and-cents-case-against-hollywoods-exclusion-of-women/Start with loading the packages: fivethirtyeight, tidyverse1. What information does this dataset contain? What commands did you use to see this?For our purposes of analysis we will focus our analysis on movies released between 1990 and 2013.bechdel90_13 <- bechdel %>%filter(between(year, 1990, 2013))2. How many movies are in our filtered data set?The…