Ryan Sheehy
The empty slice operator [:] in Python is a powerful and concise way of copying a list. It is shorthand syntax allowing you to create a new list that contains all the elements of the existing list where the operator is used. This operator is represented by one colon wrapped in square brackets [:] with …
When starting out in Python it can be easy to think that the expression list2 = list1 will make list2 contain a copy of list1. But it doesn’t take long to realise that this doesn’t meet expectations of what actually happens in the wild. Take the following code as an example: Huh? Why did list2 …
The id() function in Python is a built-in function that returns the unique identity of an object. This identity is an integer that is guaranteed to be unique and constant for the object during its lifetime. The id() function can be used to determine whether two variables refer to the same object in memory. This …
How do you add an actionable button on the client-side view of a record in Netsuite that would allow the user, once the button is clicked, to insert something into the current record and have the changes saved to the record? I had a recent requirement where a button was needed on the client side …
How do you create a dictionary in Python? Dictionaries in Python are mutable data types that contain key: value pairs. A dictionary can be a great way to organise information, especially if checks need to be performed prior for uniqueness and/or the value of that key needs to be changed, skipped or inserted. Creating A …
Why is it when you copy a list in Python doing b_list = a_list that, any changes made to a_list or to b_list modify the other list? If you’ve played with lists in Python you will reach a point where you want to copy a list to make modifications to it without changing the original …