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

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 …

Mar 8, 2011 · Lambda is an anonymous function in Python programming language, instead of bearing a def statement in the front it is simply called and written lambda. def mult2(x):

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 …

An easy way to perform an if in lambda is by using list comprehension. You can't raise an exception in lambda, but this is a way in Python 3.x to do something close to your example:

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 …

The closure of a lambda expression is this particular set of symbols defined in the outer context (environment) that give values to the free symbols in this expression, making them non-free …

After reading everything I can find on lambda expressions in Python, I still don't understand how to make it do what I want. Everyone uses the example: lambda x, y : x + y Why do you need to …

Invalid comparison. First, you are not passing a lambda function to the filter version, which makes it default to the identity function. When defining if not None in the list comprehension you are …

Jul 10, 2015 · The Lambda function expects JSON input, therefore parsing the query string is needed. The solution is to change the query string to JSON using the Mapping Template.