Aug 19, 2008 · For a person without a comp-sci background, what is a lambda in the world of Computer Science?

Here is another really good reference which explains very well what are lambda expressions in C++: Microsoft.com: Lambda expressions in C++. I especially like how well it explains the parts of a …

I saw some examples using built-in functions like sorted, sum etc. that use key=lambda. What does lambda mean here? How does it work? For the general computer science concept of a lambda, see …

Lambda functions are most useful in things like callback functions, or places in which you need a throwaway function. JAB's example is perfect - It would be better accompanied by the keyword …

May 31, 2013 · 1 (lambda x: x%2) is a function, and dividing a function by 2 doesn't make any sense. You probably want to call it and divide what the value it returned.

Mar 8, 2011 · The lambda construct is a shorter way to define a simple function that calculates a single expression. The def statement can be inconvenient and make the code longer, broken up and harder …

Apr 7, 2017 · All lambda expressions use the lambda operator =>, which is read as "goes to". The left side of the lambda operator specifies the input parameters (if any) and the right side holds the …

Aug 24, 2024 · We're excited to announce the release of seven new LAMBDA functions, as well as other improvements to this powerful functionality.

[lambda x: x*x for x in range(10)] is faster than the first one, since it does not call an outside loop function, f repeatedly.

by_attribute = lambda x: x.attribute == value xs = filter(by_attribute , xs) Yes, that's two lines of code instead of one, but you clean filter expression from cumbersome lambda and by naming lambda …