cout Questions
3
Solved
I am trying to overload
<<
operator. For instance
cout << a << " " << b << " "; // I am not allowed to change this line
is given I have to print it in form...
Marquettamarquette asked 3/10, 2018 at 5:17
3
Solved
1
Solved
For the following struct
struct TestClass {
TestClass() : mat(Eigen::Matrix3i::Zero()) {}
Eigen::Matrix3i mat;
};
I would like to have an overloaded operator<< to print the mat member to...
2
Solved
I am trying to do something as simple as:
std::cout << e << std::endl;
where e is of type Eigen::Affine3d. However, I am getting unhelpful error messages like:
cannot bind 'std::o...
7
Solved
I'm working on a program that makes heavy use of "cout << strSomething;" to log information to the console. I need to modify the program so that all console output goes to both the console AN...
6
Solved
I'm pretty new to C++, and I'm using std::cout for debugging purposes.
Though, I'd really like to be able to just use cout rather than the whole std::cout thing. I know i could import the std name...
3
I have a C++ learning demo here:
char c = 'M';
short s = 10;
long l = 1002;
char * cptr = &c;
short * sptr = &s;
long * lptr = &l;
cout << "cptr:\t" << static_cast<void...
Hoffmann asked 27/7, 2018 at 3:1
3
Solved
the following code:
myQueue.enqueue('a');
myQueue.enqueue('b');
cout << myQueue.dequeue() << myQueue.dequeue();
prints "ba" to the console
while:
myQueue.enqueue('a');
myQueue.enqu...
Quesada asked 24/1, 2010 at 22:44
1
Solved
cout is an instance of type "ostream"
ostream::operator<< says that
If the operation sets an internal state flag that was registered with
member exceptions, the function throws an exception...
4
Can i design my logging-function in a way, that it accepts concatenated strings of the following form using C++?
int i = 1;
customLoggFunction("My Integer i = " << i << ".");
.
cust...
2
Solved
Say for example I have a long statement like
cout << findCurrent() << "," << findLowest() << "," << findHighest() << "," << findThird()<<"\n";
woul...
Bibliographer asked 16/5, 2018 at 1:40
7
Solved
I tried researching the difference between cout, cerr and clog on the internet but couldn't find a perfect answer. I still am not clear on when to use which. Can anyone explain to me, through simpl...
7
Solved
I'm trying to print characters in the console at specified coordinates. Up to now I have been using the very ugly printf("\033[%d;%dH%s\n", 2, 2, "str"); But I just had to ask whether C++ had any o...
Wales asked 3/11, 2009 at 23:46
2
Solved
2
Solved
In this statement
for (i = 1; i <= n; i++) {
cout << i << " \n"[ i == n ];
}
what is the last term in cout statement [i==n] doing?
This loop prints space separate numbers I gues...
7
I get this ERROR: "error: overloaded function with no contextual type information".
cout << (i % 5 == 0) ? endl : "";
Is what I am doing possible; am I just doing it wrong, or do I have to...
Dorena asked 20/4, 2011 at 6:38
2
Solved
Suppose I have this code:
#include <iostream>
struct Mine
{
int a;
int b;
};
int main()
{
int Mine::* memberPointerA = &Mine::a;
int Mine::* memberPointerB = &Mine::b;
st...
Banna asked 27/7, 2017 at 23:28
1
Solved
To my surprise the following code prints 1.
std::cout << [](const char* arg){ return arg[0]=='s'; } << std::endl;
Can someone explain this, please?
2
According to the top answer to this question, cout << expr is equivalent to cout.operator<<(expr).
According to responses to this question, the statement above is untrue.
According to...
Sillsby asked 7/6, 2017 at 14:1
1
Here I define a Date, and specify a user-defined conversion.
class Date {
private:
int day;
int month;
string dateStr;
public:
Date(int _day, int _month) : day(_day), month(_month) {}
operat...
Radix asked 24/3, 2017 at 8:39
2
I'm trying to insert a unicode value, in this case, \u250F, or ┏, to the console output. I have searched around, and people recommending a variety of things. Before we discuss on what I tried, I am...
Ligature asked 10/11, 2014 at 0:19
4
I need to print some Unicode characters on the Linux terminal using iostream. Strange things happen though. When I write:
cout << "\u2780";
I get: ➀, which is almost exactly what I...
2
Solved
printf(...) returns the number of characters output to the console, which I find very helpful in designing certain programs. So, I was wondering if there is a similar feature in C++, since the cout...
Astrea asked 29/12, 2016 at 9:45
1
Solved
2
Solved
The following code outputs 1, but I expect it to output the address of the function add. What is going wrong?
#include <iostream>
int add(int x, int y) { return x + y; }
int main()
{
int (...
Seiden asked 8/11, 2016 at 12:29
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