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  1. std::future - cppreference.com

    Mar 12, 2024 · The class template std::future provides a mechanism to access the result of asynchronous operations: An asynchronous operation (created via std::async, …

  2. std::future<T>::get - cppreference.com

    Feb 22, 2024 · The get member function waits (by calling wait ()) until the shared state is ready, then retrieves the value stored in the shared state (if any). Right after calling this function, valid …

  3. std::future<T>::valid - cppreference.com

    Aug 27, 2021 · Checks if the future refers to a shared state. This is the case only for futures that were not default-constructed or moved from (i.e. returned by std::promise::get_future (), …

  4. std::future<T>::wait_for - cppreference.com

    Aug 27, 2021 · If the future is the result of a call to std::async that used lazy evaluation, this function returns immediately without waiting. This function may block for longer than …

  5. std::shared_future - cppreference.com

    Oct 23, 2023 · Unlike std::future, which is only moveable (so only one instance can refer to any particular asynchronous result), std::shared_future is copyable and multiple shared future …

  6. Pandas replace and downcasting deprecation since version 2.2.0

    Nov 26, 2024 · To opt-in to the future behavior, set `pd.set_option('future.no_silent_downcasting', True)` 0 1 1 0 2 2 3 1 dtype: int64 If I understand the warning correctly, the object dtype is …

  7. What is __future__ in Python used for and how/when to use it, and …

    Mar 2, 2016 · A future statement is a directive to the compiler that a particular module should be compiled using syntax or semantics that will be available in a specified future release of …

  8. std::future_status - cppreference.com

    Mar 19, 2025 · Specifies state of a future as returned by wait_for and wait_until functions of std::future and std::shared_future. Constants

  9. dart - When should I use a FutureBuilder? - Stack Overflow

    Aug 23, 2018 · I was wondering when I should use the future builder. For example, if I want to make an http request and show the results in a list view, as soon as you open the view, should …

  10. std::future<T>::wait_until - cppreference.com

    Aug 2, 2020 · If the future is the result of a call to async that used lazy evaluation, this function returns immediately without waiting. The behavior is undefined if valid () is false before the call …