What does “while True” mean in Python?
While WHAT is True? I reckon saying ‘while true’ is shorthand, but for what? While the variable ‘hand’ is being assigned a value? And what if the variable ‘hand’ is not being assigned a value?
syntax
What is the result of % in Python?
The % (modulo) operator yields the remainder from the division of the first argument by the second. The numeric arguments are first converted to a common type. A zero right argument raises the ZeroDivisionError exception. The arguments may be floating point numbers, e.g., 3.14%0.7 equals 0.34 (since 3.14 equals 4*0.7 + 0.34.) The modulo operator … Read more
Is it bad practice to comment out single lines of CSS with //?
I don’t know how future and/or exotic browsers will interpret non-official hacks like //, so I’d rather stick with the appropriate notation:
What does “:=” mean in Pseudocode? [closed]
Pseudocode examples on Wikipedia usually use := as the assignment operator, like Pascal does (I haven’t found any counterexamples yet). You can’t use it in Python directly as it would be a SyntaxError: Use instead.
What is the := operator?
In all languages that support an operator := it means assignment. In languages that support an operator :=, the = operator usually means an equality comparison. In languages where = means assignment, == is typically used for equality comparison. does := mean =? I can’t recall any languages where := means the same as =. In MySQL := and = are both used for assignment, however they are not interchangeable and selecting the correct one … Read more
Python integer incrementing with ++ [duplicate]
Python doesn’t support ++, but you can do:
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
The *args and **kwargs is a common idiom to allow arbitrary number of arguments to functions as described in the section more on defining functions in the Python documentation. The *args will give you all function parameters as a tuple: The **kwargs will give you all keyword arguments except for those corresponding to a formal parameter as a dictionary. Both idioms can be mixed with normal arguments to … Read more