Oct 31, 2008 · Append has (amortized) constant time complexity, O (1). Extend has time complexity, O (k). Iterating through the multiple calls to .append() adds to the complexity, …

ary.extend (ext) merely adds reference to "ext" list to the end of the "ary" list, resulting in less memory transactions. As a result, .extend works orders of magnitude faster and doesn't use …

I saw this in a plugin: var options = $.extend(defaults, options); How does it work? What does extend() do?

Python "extend" for a dictionary Asked 16 years, 4 months ago Modified 2 years, 6 months ago Viewed 543k times

Apr 8, 2015 · Python: understanding difference between append and extend Asked 10 years, 2 months ago Modified 10 years, 2 months ago Viewed 26k times

Nov 8, 2009 · 336 Extend is used when a use case adds steps to another first-class use case. For example, imagine "Withdraw Cash" is a use case of an Automated Teller Machine (ATM). …

Dec 18, 2013 · extend is usually a high level function that copies the prototype of a new subclass that you want to extend from the base class. So you can do something like: extend( Fighter, …

Mar 11, 2025 · Starting from TailwindCSS v4, a CSS-first configuration is preferred. Check my answer to see what this means. I also explain how you can still use tailwind.config.js in v4.

Is there an article or forum discussion or something somewhere that explains why lists use append/extend, but sets and dicts use add/update? I frequently find myself converting lists into …

As we can see, extend with list comprehension is still over two times faster than appending. Generator expressions appear noticeably slower than list comprehension. append_comp only …