Understanding slicing
I need a good explanation (references are a plus) on Python slicing.
Python
Why does “a == x or y or z” always evaluate to True?
I am writing a security system that denies access to unauthorized users.
How to remove items from a list while iterating?
use a linked list implementation/roll your own.
What does the “yield” keyword do?
The loop iterates on a list, but the list expands while the loop is being iterated. It’s a concise way to go through all these nested data even if it’s a bit dangerous since you can end up with an infinite loop. In this case, candidates.extend(node._get_child_candidates(distance, min_dist, max_dist)) exhaust all the values of the generator, but while keeps creating new generator objects which will produce different values from the previous ones since it’s not applied on the same node.
Get the cartesian product of a series of lists?
How can I get the Cartesian product (every possible combination of values) from a group of lists?
Why is using ‘eval’ a bad practice?
I am using the following class to easily store data of my songs.
How to print without a newline or space
Example in C:
Is there any way to kill a Thread?
Is it possible to terminate a running thread without setting/checking any flags/semaphores/etc.?
Of the many findElement(s)/By functions in Selenium, when would you use one over the other?
Selenium includes findElement functions, like so…
Are dictionaries ordered in Python 3.6+?
Dictionaries are insertion ordered as of Python 3.6. It is described as a CPython implementation detail rather than a language feature. The documentation states: