My understanding is that string is a member of the std namespace, so why does the following occur? #include <iostream> int main() { using namespace std; string myString = “Press ENTER to quit program!”; cout << “Come up and C++ me some time.” << endl; printf(“Follow this command: %s”, myString); cin.get(); return 0; } Each … Read more
I know you can print with printf() and puts(). I can also see that printf() allows you to interpolate variables and do formatting. Is puts() merely a primitive version of printf(). Should it be used for every possible printf() without string interpolation? 10 Answers 10
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it? Take a look at my example below. Why use this: $output = sprintf(“Here is the result: %s for this date %s”, $result, $date); When this … Read more
What is the difference between %d and %i when used as format specifiers in printf and scanf? 4 Answers 4
I want the following output:- About to deduct 50% of € 27.59 from your Top-Up account. when I do something like this:- $variablesArray[0] = ‘€’; $variablesArray[1] = 27.59; $stringWithVariables=”About to deduct 50% of %s %s from your Top-Up account.”; echo vsprintf($stringWithVariables, $variablesArray); But it gives me this error vsprintf() [function.vsprintf]: Too few arguments in … … Read more
Can I do it with System.out.print? 18 Answers 18
Why, when printing a number in hexadecimal as an 8 digit number with leading zeros, does %#08X not display the same result as 0x%08X? When I try to use the former, the 08 formatting flag is removed, and it doesn’t work with just 8. 5 Answers 5
Can anyone explain in simple English about the differences between printf, fprintf, and sprintf with examples? What stream is it in? I’m really confused between the three of these while reading about “File Handling in C”. 8 Answers 8
How do you escape the % sign when using printf in C? printf(“hello\%”); /* not like this */ 13 Answers 13
Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new answers or interactions. Task: Print numbers from 1 to 1000 without using any loop or conditional statements. Don’t just write the printf() or cout statement 1000 times. How would you do that … Read more