无副作用的无限循环是未定义行为。请参见此处,了解来自cppreference的示例。更简单的示例: int foo() { while(true) {} return 42; } 现在考虑几乎相当的内容。 int bar() { if (true) return bar(); return 42; } 这也会引发未定义的行为吗? 或者换一种说法:在这种语言中,无限递归是哪一类错...
Lab task (advanced, more points) Using nested loops, create a filled triangle, base length 10 pcs In the end of every row, show the number of blocks in this row and total used Still boring? Mirror the triangle to start from the right …or do it both ways in a single run Ask the ...
questions with if or else. It seems to work but it automatically enters something in and ends the program. Below is the code. If you could explain what I am doing wrong and what the program is doing I would appreciate it. If you could explain how to do a loop to the beginning if ...
Determine which variables need to be shared with the loop callback Pack pointers to them into a context struct Pass pointer to the context struct to the callback function In the callback, override the shared variables so that they read and write through the context pointers instead of directly...
The other questions were more straightforward and took less time. Question #2 #include <iostream> // 97 -- 122 int main() { int iii{97}; char c{'a'}; while(iii <= 122) { std::cout << c << ' ' << iii << "\n"; ++iii; ++c; } return 0; } Copy Question #3 #includ...
There are more people that there that can answer your questions faster! Reply ↓ Graham A Richards on November 18, 2021 at 6:54 pm said: my “excercise”: game.cpp C++ 1 2 3 4 5 6 7 8 9 screen->Clear(0); for (int tankRow = 0; tankRow < 10; ++tankRow) { for (int ...
Template Implementation & Compiler (.h or .cpp?) The this Pointer Type Cast Operators Upcasting and Downcasting Virtual Destructor & boost::shared_ptr Virtual Functions Programming Questions and Solutions ↓ Strings and Arrays Linked List Recursion ...
Sorry for reply year old topic. But I have a questions. 1 I don't mind much about deprecation of Q_FOREACH, so just curiosity. Couldn't Q_FOREACH be reimplemented on top of range-based for? To drop several lines. Like this one: ...
http://stackoverflow.com/questions/14563134/epoll-loops-on-disconnection-of-a-client I am trying to implement a socket server by using epoll. I have 2 threads doing 2 tasks: listening to incoming connection writing on screen the data the client is sending. ...
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