string
How to use printf with std::string
C++23 Update We now finally have std::print as a way to use std::format for output directly: #include <print> #include <string> int main() { // … std::print(“Follow this command: {}”, myString); // … } This combines the best of both approaches. Original Answer It’s compiling because printf isn’t type safe, since it uses variable arguments in … Read more
How to get first char of a string?
Just MyString[0]. This uses the String.Chars indexer.
Understanding logic in CaseInsensitiveComparator
From Unicode Technical Standard: In addition, because of the vagaries of natural language, there are situations where two different Unicode characters have the same uppercase or lowercase So, it’s not enough to compare only uppercase of two characters, because they may have different uppercase and same lowercase Simple brute force check gives some results. Check … Read more
How to search a string in another string? [duplicate]
That is already in the String class: String word = “cat”; String text = “The cat is on the table”; Boolean found; found = text.contains(word);
Appending string to Matlab array
You need to use cell arrays. If the number of iterations are known beforehand, I suggest you preallocate: N = 10; names = cell(1,N); for i=1:N names{i} = ‘string’; end otherwise you can do something like: names = {}; for i=1:10 names{end+1} = ‘string’; end
How to remove the white space at the start of the string
This is what you want: function ltrim(str) { if(!str) return str; return str.replace(/^\s+/g, ”); } Also for ordinary trim in IE8+: function trimStr(str) { if(!str) return str; return str.replace(/^\s+|\s+$/g, ”); } And for trimming the right side: function rtrim(str) { if(!str) return str; return str.replace(/\s+$/g, ”); } Or as polyfill: // for IE8 if (!String.prototype.trim) … Read more
Convert String variable to a List [Groovy]
def l = Eval.me(ids) Takes the string of groovy code (in this case “[10,1,9]”) and evaluates it as groovy. This will give you a list of 3 ints.
Printing ” (double quote) in GoLang
This is very easy, Just like C. fmt.Println(“\””)