How to deal with “%1” in the argument of QString::arg()?

Question

Everybody loves

QString(\"Put something here %1 and here %2\")
    .arg(replacement1)
    .arg(replacement2);

but things get itchy as soon

Answer 1

See the Qt docs about QString::arg():

QString str;
str = "%1 %2";
str.arg("%1f", "Hello"); // returns "%1f Hello"