Linked Questions

I am really thinking hard to understand why java has introduced new concept called Lambda Expression in its 8th version. I mean as far as I understand it is just like a regular function which ...

I was reading this page and I found the following example code in the Python documentation, but I don't fully understand how the result is produced. Example: >>> def make_incrementor(n): .....

Im trying to wrap my head around some basic MVC OOP coding concepts. Consider the following. private $notfound public function __construct(){ $this->notFound = function($url){ ...

I keep hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?

I am trying to sort some values by attribute, like so: a = sorted(a, lambda x: x.modified, reverse=True) I get this error message: <lambda>() takes exactly 1 argument (2 given) Why? How do I ...

I come from OOP background and trying to learn python. I am using the max function which uses a lambda expression to return the instance of type Player having maximum totalScore among the list players....

What is this 'Lambda' everyone keeps speaking of? A lot of people seem to love it, but all I can gather from it is it is just a way of cramming lots of lines of code into a single expression. Can ...

Could someone provide a good description of what a Lambda is? We have a tag for them and they're on the secrets of C# question, but I have yet to find a good definition and explanation of what they ...

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 What is ...

In Java 8 the lambda expression is introduced to help with the reduction of boilerplate code. If the interface has only one method it works fine. If it consists of multiple methods, then none of the ...

I'm beginning to appreciate the value of lambda expressions in python, particularly when it comes to functional programming, map, functions returning functions, etc. However, I've also been naming ...

I am new to flultter and dart. I see main calls the first widget as follows with added print statements. void main() { print('begin '); runApp(MyApp()); print('end'); } I see another way is ...

I want to know what exactly is lambda in python? and where and why it is used. thanks

I have a problem with my PyQt button action. I would like to send a String with the Function but I got this Error: TypeError: argument 1 has unexpected type 'NoneType' import sys from PyQt5....

I saw this question on one of the job postings and its asking what's a lambda function and what its relation to higher order function. I already know how to use lambda function but not quite confident ...