cout Questions
2
Solved
I am trying to compile the simple program below. But, it's not compiling & gives error:
error C2065: 'cout' : undeclared identifier
I want to ask you that why this program doesn't work thoug...
Irina asked 22/1, 2014 at 6:58
1
Solved
I am comparing the output of two programs, one C the other C++, using diff, so the output must be identical.
Is there any way to printf a double so that it is formatted as though it was printed us...
1
Solved
I came to a Problem where i cant print a returned object via cout.
I find it hard to describe so i wrote a very basic programm to show my problem.
The compiler says Type mismatch in operator<&...
Brodie asked 5/12, 2013 at 21:27
2
Solved
I can set precision of cout output using
cout.precision(precision_value);
how can I get the precision value, which is used by cout already?
I can't find any other related function in cout descr...
3
Solved
Is there a simple way to manipulate std::cout so that it prints doubles in their hex representation? In other words, something equivalent to:
printf("%" PRIx64, *reinterpret_cast<uint64_t *>...
5
Solved
I'm new to C++ and just trying to get a hang of it. It generally seems not too bad, but I stumbled upon this weird/pathological segfaulting behavior:
int main () {
int* b;
*b = 27;
int c = *b;
...
Submediant asked 22/5, 2011 at 1:45
2
Solved
I have a method that returns a value vector> and I cannot figure out how to print the contents of this vector. I was trying to loop through the contents but I get compiler errors. Here is an exampl...
9
Solved
I'm using Visual C++ 2012 and compiling from the command line the following files:
#include <stdio.h>
int main()
{
printf("%.5f", 18/4+18%4);
return 0;
}
Linking with MSVCRT.LIB rather ...
Eskimo asked 30/9, 2013 at 20:3
4
Solved
When using cout, what is the default formatter defined in the <iomanip> header? In other words, once I've set my formatter to fixed using cout << fixed << setPrecision(2), how do ...
3
Solved
This may be a duplicate of this question, but I don't feel it was actually answered correctly. Observe:
#include <iostream>
#include <iomanip>
using namespace std;
int main () {
float...
Almatadema asked 26/9, 2013 at 17:48
4
I have a managed C++ unit test in VS 2012. The test runs fine and I can
verify that a loop with multiple cout calls is executed.
However when I look at the test explorer the test is marked as pass...
Seeseebeck asked 29/5, 2013 at 13:53
1
Solved
I'm just trying to get my c++ code to output properly in terminal on my mac, but it doesn't show anything. I'm using xcode as a text editor, saving the file as Code.cpp, and then typing g++ Code.cp...
4
Solved
My application is a GUI app that has helpful (though optional) information through the terminal (via cout).
In Windows I either have a console appear (by compiling as a console app, or allocating ...
5
I have read this at many places, but do not understand. Why it is said that cout is more type safe than printf(). Just because it does not required to write %d %c %f or it has some deeper meaning.
...
1
Solved
In a project I am currently working on I link to a proprietary dynamic library. As soon as I run the library's initialize function, the behavior of logging and printing of numbers changes.
Commas h...
Straightforward asked 19/6, 2013 at 23:8
2
Solved
In a project I am currently working on I link to a proprietary dynamic library. As soon as I run the library's initialize function, the behavior of logging and printing of numbers changes.
Commas ...
Fpc asked 19/6, 2013 at 22:15
2
My code is "calling" a function without (), and printing the result with std::cout. The function compiles and surprisingly, the code always returns 1.
I expected a function pointer to be ...
Catch asked 12/6, 2013 at 18:48
4
Solved
I'd like to wrap std::cout for formatting, like so:
mycout([what type?] x, [optional args]) {
... // do some formatting on x first
std::cout << x;
}
and still be able to use expressive s...
2
Solved
I print a bool to an output stream like this:
#include <iostream>
int main()
{
std::cout << false << std::endl;
}
Does the standard require a specific result on the stream (e...
2
Solved
I had a segmentation fault in my code, so I put many cout on the suspicious method to localise where.
bool WybierajacyRobot::ustalPoczatekSortowania(){
cout << "ustal poczatek sortowania: ...
Scottscotti asked 7/4, 2013 at 11:54
2
Solved
I've just recently stumbled upon a C++ bug/feature, that I can't fully understand and was hoping someone with a better knowledge of C++ here could point me in the right direction.
Below you will f...
Burnside asked 31/3, 2013 at 9:4
5
Solved
Why do I need to type in using namespace std; in order to be able to use cout and endl? Also what are these called; is cout a function?
Is there cout in C? I heard it was implemented in C++...
2
Solved
I have a C++ program:
test.cpp
#include<iostream>
int main()
{
char t = 'f';
char *t1;
char **t2;
cout<<t; //this causes an error, cout was not declared in this scope
retu...
1
Solved
This is the code which i tried, only the coordinate values are printed but not the pixel values.
#include <iostream>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc...
Splay asked 17/2, 2013 at 9:56
2
Possible Duplicate:
How do I print a double value with full precision using cout?
float a = 175.;
cout << a;
If I run the previous code I'll get just 175, how can I cout the ...
Dallapiccola asked 3/2, 2013 at 21:21
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