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 …

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):

In Python 2.6, I want to do: f = lambda x: if x==2 print x else raise Exception() f(2) #should print "2" f(3) #should throw an exception This clearly isn't the syntax. Is it possible to perform an if in …

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 …

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 …

Nov 28, 2012 · In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas …

Per [expr.prim.lambda]/17, only id-expression s referring to entities captured by copy are transformed into a member access on the lambda closure type; id-expression s referring to …

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 …

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?