std::transform, as of C++20, is declared constexpr. I have a bunch of string utility functions that take std::string arguments, but a lot of the usage ends up just passing in small, short, characte...

Here is the code that i wrote. When i enter a lowercase character such as 'a', it gives me a blank character but afterwards it works well. Can you tell me what i did wrong? Thanks. :) #include &lt...

I'have right now installed the ghci version 8.6.2 and following a tutorial I write: toUpper "something" but ghci compiler prints out: Variable not in scope: toUpper :: [Char] -> t Do I mis...

I have an exercise that asks for a function that converts all characters of a string to uppercase using System.Char.ToUpper So first I changed the string to a char array and changed the array i...

Given the code: #include <iostream> #include <cctype> #include <string> #include <algorithm> using namespace std; int main() { string s("ABCDEFGHIJKL"); transform(s.begi...

Colleagues, I'm looking at a data frame resembling the extract below: Month Provider Items January CofCom 25 july CofCom 331 march vobix 12 May vobix 0 I would like to capitalise first l...

A while ago, someone with high reputation here on Stack Overflow wrote in a comment that it is necessary to cast a char-argument to unsigned char before calling std::toupper and std::tolower (and s...

In Best Practices for Using Strings in the .NET Framework, StringComparison OrdinalIgnoreCase is recommended for case-insensitive file paths. (Let's call it Statement A.) I can agree with that, be...

In a custom library I saw an implementation: inline int is_upper_alpha(char chValue) { if (((chValue >= 'A') && (chValue <= 'I')) || ((chValue >= 'J') && (chValue <= ...

I am trying to create a program for a hotel where the user is to enter a character (either S, D, or L) and that is supposed to correspond with a code further down the line. I need help converting t...

I'm in my first six months of programming on the job and I'm still getting a feeling for standards and best practices. When performing string or char comparison, is it more common to use ToUpper ...

In C, strings are arrays of char (char *) and characters are usually stored in char. I noticed that some functions from the libC are taking as argument integers instead of a char. For instance, le...

I have a char foo[SIZE]; //(string) and have inputed it correctly using %s (as in it printfs the correct input), but now want to set it to lowercase. So I tried using if (isupper(*foo)) ...

How would you write ToUpper() if it didn't exist? Bonus points for i18n and L10n Curiosity sparked by this: http://thedailywtf.com/Articles/The-Long-Way-toUpper.aspx