Create a function that takes a string and replaces every nth instance of oldChar with newchar. Your function will have four parameters: • str - The original input text to be processed. • nth - The nth instance to be replaced. • oldChar - The character being replaced. • newChar - The character replacing oldChar. In other words, if str is "abababa", nth is 3, oldChar is "a" and newChar is "Z", you would replace the 3rd insrtance of "a" with "Z", returning "ababZba". Examples replaceNth ("A glittering gem is not enough.", 0, "o", "-") → "A glittering gem is not enough." replaceNth ("Vader said: No, I am your father!", 2, "a", "o") → "Vader soid: No, I am your fother!" replaceNth ("Writing a list of random sentences is harder than I initially though → "Writing a list of random sentences 3s harder than I in3tially thought 3t wol Notes • If nth is 0, negative or larger than instances of oldChar, return the original string. • Tests are case sensitive.

Create a function that takes a string and replaces every nth instance of oldChar with newchar. Your function will have four parameters: • str - The original input text to be processed. • nth - The nth instance to be replaced. • oldChar - The character being replaced. • newChar - The character replacing oldChar. In other words, if str is "abababa", nth is 3, oldChar is "a" and newChar is "Z", you would replace the 3rd insrtance of "a" with "Z", returning "ababZba". Examples replaceNth ("A glittering gem is not enough.", 0, "o", "-") → "A glittering gem is not enough." replaceNth ("Vader said: No, I am your father!", 2, "a", "o") → "Vader soid: No, I am your fother!" replaceNth ("Writing a list of random sentences is harder than I initially though → "Writing a list of random sentences 3s harder than I in3tially thought 3t wol Notes • If nth is 0, negative or larger than instances of oldChar, return the original string. • Tests are case sensitive.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Write a function named count_letters that takes as a parameter a string and returns a dictionary that tabulates how many of each letter is in that string. The string can contain characters other than letters, but only the letters should be counted. The string could even be the empty string (just ""). Lower-case and upper-case versions of a letter should be part of the same count. The keys of the dictionary should be upper-case letters. If a letter does not appear in the string, then it would not get added to the dictionary. For example, if the string is "AaBb" then the dictionary that is returned should contain these key-value pairs: {'A': 2, 'B': 2} And no, we haven't covered the isalpha() funciton or the .get function, so don't use it.
Write a function named "getMatchFirstLastCount" that accepts argc and argv with the same data type as command line arguments (int argc, char * args[]). It will return two integer counts: - How many arguments that contains the first and the last character are the same. - How many arguments that contains just one character For this question, you are not allowed to use string class and its method or string function such as strlen. For example, here are inputting command line arguments and their corresponding return values “” 0 and 0 “A” 1 and 1 “ONE” 0 and 0 “ONO” 1 and 0 "ONO TWT" 2 and 0 “A B C” 3 and 3 “AA BB AB” 2 and 0 Note: these C-string arguments will already be parsed and in a proper array in argv and its size in argc. Please show how this function is being called and tested. C++
PHP Write a matchSSN function Write a function matchSSN($str) that takes a string representing a social security number as a parameter. The function should return true if the SSN is valid, and false if it is not. An SSN consists of 9 digits that are sometimes, but not always, separated by dashes between the 3rd and 4th digits and between the 5th and 6th digits (e.g. 123-45-6789). Use regular expressions in your solution (e.g. preg_match).
Create the function that takes a list of dictionaries and returns the sum of people's budgets. Examplesget_budgets([ { "name": "John", "age": 21, "budget": 23000 }, { "name": "Steve", "age": 32, "budget": 40000 }, { "name": "Martin", "age": 16, "budget": 2700 }]) ➞ 65700 get_budgets([ { "name": "John", "age": 21, "budget": 29000 }, { "name": "Steve", "age": 32, "budget": 32000 }, { "name": "Martin", "age": 16, "budget": 1600 }]) ➞ 62600
Question 12 kana .Which of the following statements is false? The re module's findall function finds every matching substring in a string and returns a list of the matching substrings. The following code extracts all phone numbers of the form ###-###-#### from a string:contact = 'Wally White, Home: 555-555-1234, Work: 555-555-4321're.findall(r'\d{3}-\d{3}-\d{4}', contact) The re module's finditer function works like findall, but returns a greedy iterable of match objects. For large numbers of matches, using finditer can save memory because it returns one match at a time, whereas findall returns all the matches at once. Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line
2. David is used to doing programming in Python and since the print() function in Python by default prints a newline after printing the string passed to the print() function. But in his current project, he is using PHP programming language and the echo function does not print a newline by default after the end of the string. So, he often misses giving a newline after printing a message. Help David by writing a function myecho() that takes a string as a parameter and also prints a newline after printing the string.
PHP Write a matchIPAddress function Write a function matchIPAddress($str) that takes a string representing an IP address as a parameter. The function should return true if the IP address is valid, and false if it is not. An IP address consists of a series of 4 numbers on the range 0-255 separated by dots (e.g. 192.168.0.1). Use regular expressions with capture groups and some additional validation in your solution (e.g. preg_match).]
Task 2: Implement the function Searchingstrings that allow to search a sub-string in a given string and display the: First occurrence, Last occurrence, First occurrence from a given index and Last occurrence from a given index. You can use the following String methods: string. IndexOf(searchvalue, start) return the position of the first occurrence of specified character(s) in a string. string.lastIndexOf(searchvalue, start) return the position of the last occurrence of specified character(s) in a string. You can use the following string to test your solution: var letters = "abcdefghijklmnopqrstuvwxyzabcdefghijklm"; Write the code in a separate.js and separate.html file.
Write a program email.cc that takes an email address in the following format: firstname.lastname@hotmail.com, such as jon.doe@hotmail.com, extracts from it the firstname and the lastname, and prints them in the following format: Lastname, Firstname. Your program should have and use at least the following functions:(a) getEmaillAddress that prompts a user to enter an email address as a string andreturns it.(b) extract that takes as its parameter an email address and returns the firstname andlastname.(c) capitalize that takes as its parameter a string and capitalize its first letter.(d) display that takes as its parameters 2 strings corresponding to the firstname andlastname, and displays them in the following format: Lastname, Firstname.Your program should repeatedly prompts the user to enter the email address in the previous format. The program should then output it as in the examples below. jon.doe@uleth.caDoe, JonTry again (Y/N) -- Ycarol.smith@uleth.caSmith, CarolTry again (Y/N)…
The international standard letter/number mapping for telephones is: Write a function that returns a number, given an uppercase letter, as follows:def getNumber(uppercaseLetter):Write a test program that prompts the user to enter a phone number as a string. The input number may contain letters. The program translates a letter (uppercase or lowercase) to a digit and leaves all other characters intact. Here is a sample run of the program: Enter a string: 1-800 flowers1-800-3569377
Write a function called isVowel that receives one parameter as character and returns true ifit is a vowel (A, E, I, O, U) letter. Write another function called replaceV that receives two parameters as string(parameter1) and character (parameter2) and returns a new string that replaces all the vowel letters fromparameter1 with parameter2. The replaceV function should use isVowel function to check each character inthe string.Write a test program that reads a string and a character and uses replaceV to get the new string then displaysthe new string. Here is a sample run:Enter a String: Hello world!Enter a character: $The new string is: H$ll$ w$rld!
Write a function called daysOver that takes three arguments: a dictionary, a location (such as ‘Sydney’, ‘Adelaide’,etc) and a temperature and returns the number of days that were over the given temperature for the given location. For example, if we call the function using the line: total = daysOver(dictionaryData, ‘Adelaide’, 40) total will hold the number of days that Adelaide had a temperature greater than 40 celsius in the data. As a test, there were 54 days over 40 celsius in the data. Check that total is 54 for the example when you run your code. Use the daysOver function to print the number of days over 35 celsius for each of the following cities: 'Adelaide','Perth','Melbourne','Canberra','Sydney','Brisbane','Darwin' Which of the Australian cities has the most number of days over 35 celsius?