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std::future - cppreference. com The class template std::future provides a mechanism to access the result of asynchronous operations: An asynchronous operation (created via std::async, std::packaged_task, or std::promise) can provide a std::future object to the creator of that asynchronous operation The creator of the asynchronous operation can then use a variety of methods to query, wait for, or extract a value from the std
Get the status of a std::future - Stack Overflow Since C++11, std::future now has both a wait() and a get() method, which will wait until the future has a valid response, with the latter method waiting (blocking) and then returning a result when it is ready
Pandas replace and downcasting deprecation since version 2. 2. 0 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 "downcast" to int64 Perhaps pandas wants me to do this explicitly, but I don't see how I could downcast a string to a numerical type before the replacement happens