What are "magic numbers" in computer programming?
2010年8月19日 · Magic numbers are special value of certain variables which causes the program to behave in an special manner. For example, a communication library might take a Timeout …
python - Purpose of "%matplotlib inline" - Stack Overflow
2017年3月26日 · %matplotlib is a magic function in IPython. I'll quote the relevant documentation here for you to read for convenience: IPython has a set of predefined ‘magic functions’ that …
How to put more than 1000 values into an Oracle IN clause
2008年12月30日 · The second value val2 is a column. So the values in the IN list are the values in which val1 and val2 have to match. So val1 must equal input1, and val2 must equal input 2. …
python - Mock vs MagicMock - Stack Overflow
2013年6月19日 · With Mock you can mock magic methods but you have to define them. MagicMock has "default implementations of most of the magic methods.". If you don't need to …
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Explaining Python's '__enter__' and '__exit__' - Stack Overflow
Using these magic methods (__enter__, __exit__) allows you to implement objects which can be used easily with the with statement. The idea is that it makes it easy to build code which needs …
How do I use Jupyter/IPython magic commands in VSCode?
2024年7月15日 · %cd ^ SyntaxError: invalid syntax Note: The idea for this question came from an earlier question with a similar title ("Do jupyter magic commands work on VS Code?") where …
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What are magic numbers and why do some consider them bad?
What is a magic number? Why do many programmers advise that they be avoided?