use header file string.h or bits/stdc++.h then try s.assign ("some string"); <string.h> is not for std::string. And bits/… is problematic too. Finally, using .assign() changes exactly nothing.

Sep 16, 2022 · The easiest way to assign a value to a string is to use the overloaded operator= function. There is also an assign () member function that duplicates some of this functionality. …

Create a variable of type string and assign it a value: string greeting = "Hello"; To use strings, you must include an additional header file in the source code, the <string> library:

May 14, 2025 · In C++, strings are sequences of characters that are used to store words and text. They are also used to store data, such as numbers and other types of information in the form …

Oct 5, 2021 · string s = "int is "+std::to_string(ht)+" and double is "+ std::to_string(d); to_string does not give you any control over the formatting. you can also do it with C code, via sprintf, …

Sep 26, 2011 · In this case, you can use the arg method: int i; // current file's number. long total; // number of files to process. QString fileName; // current file's name. QString status = …

Oct 28, 2020 · The member function assign () is used for the assignments, it assigns a new value to the string, replacing its current contents. string& string::assign (const string& str) str : is the …

In C++11 you can use std::to_string: std::string var = "sometext" + std::to_string(somevar) + "sometext" + std::to_string(somevar);

Assigns a new value to the string, replacing its current contents. (1) string Copies str. (2) substring Copies the portion of str that begins at the character position subpos and spans sublen …

String values are surrounded by double quotes. To create a variable, specify the type and assign it a value: Where type is one of C++ types (such as int), and variableName is the name of the …