Advertisements i am trying to make program for roman numbers converter. in C language But we have some rules. Letters are written from left to right and from largest to smallest value. Example u want to write 1907.But we cant use same letter 4 times.and for the value 900 we should think of it as… Read More Program that converts roman numerals to numbers in C language

Advertisements With jQuery, I’m doing some math to calculate a price. The math works, but I want to put a dollar sign in front of it, and when I try adding "$" + into the code, the math stops working correctly. How can I get the value of #totalprice to include the dollar sign? $(‘#totalprice’).val("$"… Read More Concatenating mathematical formula with dollar sign

Advertisements I would like to calculate the scroll position of an element within the window as a percentage. 0% is where the top of the element is at the bottom of the window (it has not been shown yet) 100% is where the bottom of the element is at the top of the window (all… Read More How can I calculate an elements scroll position as a percentage?

Advertisements I have been practicing Python on CodeChef I come up with the solution but some how it gave me error of Time Limit Exceeded. other code that gives same answer works fine which was submitted by other codechef members. My question is whats the difference between these two solutions. My Code t = int(input())… Read More I have a confusion on some code of python. Both code give me same answer

Advertisements I want to subtract 6 months from a date but using lubridate I get some NA’s. Here are my attempts: > as.Date("2013-12-31") – months(6) [1] NA > as.Date("2013-12-30") – months(6) [1] "2013-06-30" > as.Date("2014-01-01") – months(6) [1] "2013-07-01" > as.Date("2012-12-31") – months(6) [1] NA > as.Date("2014-12-31") – months(6) [1] NA > is it because… Read More R using lubridate subtract 6 months but the dates dose not exist?

Advertisements So I’m currently taking a C# fundamentals course as the entrance stage of a 6 month C# learning program. One of the tasks we have under the "Data Types and Variables" is an interest calculator. The premise is such: You have a "deposit" that you write in the first line. The deposit has a… Read More An interest calculation task I'm working on doesn't output the proper results

Advertisements I use this little code in a function to generate immutable hash of strings and store it. My problem is i don’t know how to find the max possible value with sha256 :7 ‘little’ ??? int.from_bytes(hashlib.sha256(value.encode(‘utf-8’)).digest()[:7], ‘little’) >Solution : Well, if you have seven bytes, and you turn that into an integer, the maximum… Read More How to calculate my encoding sha256 maximum int lenght?

Advertisements I need some help with my data frame (df) in R. I need to transform existing row values with some calculation and I don’t know how to apply it to every row I need. I have gross domestic product and I need to change it obsValues with calculation that includes CPI row values :… Read More How to change row values with calculation in R

Advertisements I want to write myself a program where a variable is going to increment everytime in the while-loop and want at the end, that all values will be stored in a list. At the end the values of the list should be summed with sum(). My problem is that when I execute my program… Read More How do I save incremented Numbers and calculate them?