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John's user avatar
John's user avatar
John
programer
  • Member for 4 years, 1 month
  • Last seen this week
  • shenzhen,China
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Top posts
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45
How is `std::cout` implemented?
Jun 21, 2022
9
What actually is done when `string::c_str()` is invoked?
Sep 25, 2021
7
Constructor implicitly deleted
Jun 4, 2020
7
What is difference between "owned pointer" and the "stored pointer" for std::shared_ptr?
Jun 9, 2020
6
Why `std::string str(nullptr)` and `std::string str=nullptr` is wrong? Could someone explain the reasons in details?
Dec 21, 2020
6
Is it legal to call the pointer which points to a lambda that is out of scope?
Aug 24, 2023
5
Is it meaningful\suitable to mark the derived class as movable while the base class is non-moveable?
Jun 11, 2022
5
Why does "weak.lock()" return "nullptr" with the definition of "auto weak=std::make_shared<int>(42);"?
Jun 16, 2020
4
How to comprehend "std::future shared state"?
Jun 7, 2020
4
Why the compiler still complains even if std::mutex has been used when `-fsanitize=thread -ltsan` are enabled?
Jun 11
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12
What does "SMP PREEMPT RT" mean in `uname -a`?
9
A TCP server which uses one thread to read while writing data with another thread
8
Generic overloading bitwise functions to manipulate the enum type
8
Why does "page allocation failure" occur whereas there are still enough memory(i.e. "58*4096kB (C)") that could be used?
7
Room light controller