Ghostkeeper

Ghostkeeper has asked 5 questions and find answers to 16 problems.

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Ghostkeeper questions

cv::imshow blocks thread when GUI application runs
Runtime.getRuntime().exec(...) causes deadlock
Can't initialize field outside initializer list
Regex character count, but some count for three

Ghostkeeper answers

'dummy' may be used uninitialized
How can I write documentation tests for private modules
Runtime.getRuntime().exec(...) causes deadlock
error: 'hash' is not a class template
Split 1d array into chunks
PyQt5 error "PyCapsule_GetPointer called with incorrect name"
Is it possible to find an image file extension from its byte array contents? [duplicate]
Constrain Rectangle within Rectangle
difference between %20 and %2 in url
python os.path.getmtime() time not changing