Some questions about qdebug, a custom debug and const approach

[high_flyer]

I hope now you can to understand my problem.

It looks to me your problem is in understanding how the operators work in C++, or perhaps int to string conversion?, I am not sure, maybe both?

And....what I want is :
a word 33

Do you want "a ward 33" (everything as a string)?
Then you need to convert your value to string.
If its an int, then you can use:

QByteArray ba = QString::number(data1).toAscii();
const char *pStrData = ba.data();
w_debug()<<"a word "<<pStrData;

QByteArray ba = QString::number(data1).toAscii();
const char *pStrData = ba.data();
w_debug()<<"a word "<<pStrData;

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for example

But the right way would be to use safe types (which you completely ignored in my post) - why don't you just use QString or at least std::string?