This is a very strange problem... removing the cout in the function below causes it to stop printing the correct/expected results and printing garbage values. (i.e. it still RUNS the data it output...

For whatever reason, std::cout does not display anything with my application. The description of my development environment follows. I am working on a Qt application using Qt Creator. Since Qt Cre...

I've always wondered this, and still haven't found the answer. Whenever we use "cout" or "printf" how exactly is that printed on the screen?. How does the text come out as it does...(probably quite...

I have an array of double pointers, but every time I try do print one of the values the address gets printed. How do I print the actual value? cout << arr[i] ? cout << &arr[i] ? th...

The first thing that comes to my mind is to do a bunch of \t's, but that would cause words to be misaligned if any word is longer than any other word by a few characters. For example, I would like...

I tried the following code: #include <iostream> using std::cout; using std::ostream; class X { public: friend ostream& operator<<(ostream &os, const X& obj) { cout &lt...

I have a class with a bool data member that is not initialized by the constructor. If I do cout << x.myBoolDataMember; where x is an object of this class in which the bool has not been ini...

I'm running a program and redirecting cout to an outfile, like so: ./program < infile.in > outfile.o I want to be able to read in an option ('-h' or '--help') from the command line and o...

After performing some tests I noticed that printf is much faster than cout. I know that it's implementation dependent, but on my Linux box printf is 8x faster. So my idea is to mix the two printing...

How can you get unbuffered output from cout, so that it instantly writes to the console without the need to flush (similar to cerr)? I thought it could be done through rdbuf()->pubsetbuf, but this...

I assume most C++ compilers are written in assembly. Which makes them different languages entirely (I could be wrong). That being said if I were going to create a cout style function for plain old ...

In the following C++ code, I realised that gcount() was returning a larger number than I wanted, because getline() consumes the final newline character but doesn't send it to the input stream. Wha...