What is a magic number? Why do many programmers advise that they be avoided? Detailed magic mushroom information including growing shrooms, mushroom identification, spores, psychedelic art, trip reports and an active community.

Understanding the Context

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 parameter and it can define the magic number "-1" for indicating infinite timeout. Magic Mushroom Dosage Calculator Roughly estimates a dosage in grams based on the species and potency of the mushroom, whether or not it's dried, and other factors. I wrote this calculator in JavaScript to help figure out how many mushrooms to eat to reach the desired trip strength.

Key Insights

Point of clarification in regards to the first sentence of text: %%sql is a cell magic and not a line magic. It is sort of referenced here where that syntax like you are trying to use is displayed in an old notebook. KeyError: 'DEFAULT' when attempting to create a table using magic line ... With Mock you can mock magic methods but you have to define them. MagicMock has "default implementations of most of the magic methods.".

Final Thoughts

If you don't need to test any magic methods, Mock is adequate and doesn't bring a lot of extraneous things into your tests. If you need to test a lot of magic methods MagicMock will save you some time. ImportError: failed to find libmagic. Check your installation I have magic1.dll (along with the two other files the docs specified) in C:\Windows\System32 so I am not sure what the issue is. I would appreciate any help or workarounds.