Chen OT

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Chen OT has asked 25 questions and find answers to 6 problems.

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Chen OT questions

Use `operator const char*` in printf
Is there a class/template in std library to perform a task when out of scope?
How to hide os_log timestamp prepended in Xcode console?
Why need std::minmax_element?
Is it safe to memset the plain struct with user-defined default constructor?
Understanding the stateful_actor
What is the difference between SHDeleteKey and RegDeleteTree?
Expose the const and nonconst versions of begin() and end() to iterate member vector with smart pointer
E_FAIL or S_FALSE, which is more appropriate to represent no such attribute?
Is it safe to initialize MS HANDLE to nullptr?

Chen OT answers

Detect walls or planar surfaces (with OpenCV)?
Why a function with Bool argument accepts String?
Xcode Async Unit Tests waiting on Main Thread
error C2039: “SetDefaultDllDirectories”:is not a member of global namespace
How to display OptionSet values in human-readable form?
Warning: Initialization of 'UnsafeBufferPointer<T>' results in a dangling buffer pointer