language agnostic - What is a lambda (function)? - Stack Overflow
Aug 19, 2008 · Lambda calculus codifies the correct way to do these substitutions. Given that y = x−1 is a valid rearrangement of the second equation, this: λ y = x−1 means a function …
Is there any difference betwen [=] and [&] in lambda functions?
Jan 14, 2014 · I was studying lambda function in c++11 recently. But I don't know if there is any difference between [=] and [&]. If there is, what the difference is? And in these two …
What exactly is "lambda" in Python? - Stack Overflow
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 …
Should you capture data members by reference or with [this] in a …
If I need to generate a lambda that calls a member function. Should I capture by reference or capture this? My understanding is that & captures only the members used, but this …
What is a lambda expression, and when should I use one?
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 …
Can an AWS Lambda function call another - Stack Overflow
Jul 30, 2015 · I have 2 Lambda functions - one that produces a quote and one that turns a quote into an order. I'd like the Order lambda function to call the Quote function to regenerate the …
python - lambda *args, **kwargs: None - Stack Overflow
lambda *args, **kwargs: None Asked 12 years, 3 months ago Modified 6 years, 9 months ago Viewed 73k times
python - List comprehension vs. lambda + filter - Stack Overflow
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 …
python - Syntax behind sorted (key=lambda: ...) - Stack Overflow
I don't quite understand the syntax behind the sorted() argument: key=lambda variable: variable[0] Isn't lambda arbitrary? Why is variable stated twice in what looks like a dict?
AWS python lambda function:No module named requests
Oct 28, 2017 · For future readers using Python: If you created your Lambda app directly in Cloud9, you would notice that there is a virtual environment for your app. To install requests …