Karl Knechtel

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Karl Knechtel has asked 6 questions and find answers to 221 problems.

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Karl Knechtel questions

What causes `None` results from BeautifulSoup functions? How can I avoid "AttributeError: 'NoneType' object has no attribute..." with BeautifulSoup?
Telling __import__ where to look - am I stuck with sys.path?
Dealing with Option and Either types - idiomatic conversions?
"Flat is better than nested" - for data as well as code?
Why is math.factorial much slower in Python 2.x than 3.x?

Karl Knechtel answers

How to capture error message in python that is not an exception?
What causes `None` results from BeautifulSoup functions? How can I avoid "AttributeError: 'NoneType' object has no attribute..." with BeautifulSoup?
How do I format a date and also pad it with spaces?
What other data structures are available in the C++ STL?
Python Byte doesn't print binary
Why is the [:] included in `.removeprefix()` definition?
How to extract video and audio from ffmpeg stream in python
readinto() replacement?
How to generate pseudo random number between A to B (A,B are int)in GNU C just with standard library
Memoization with prime number generator