iostream Archives - IT Nursery

I’m following a college course about operating systems and we’re learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and ...

May 19, 2022
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How do I print a double value with full precision using cout?

In my earlier question I was printing a double using cout that got rounded when I wasn’t expecting it. How can I make ...

May 7, 2022
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‘printf’ vs. ‘cout’ in C++

What is the difference between printf() and cout in C++? 16 Answers 16 I’m surprised that everyone in this question claims that std::cout ...

May 5, 2022
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“std::endl” vs “\n”

Many C++ books contain example code like this… std::cout << "Test line" << std::endl; …so I’ve always done that too. But I’ve seen ...

April 29, 2022
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Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?

I just found a comment in this answer saying that using iostream::eof in a loop condition is “almost certainly wrong”. I generally use ...

April 29, 2022
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Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code ...

April 7, 2022
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