I am trying to sum the total of matches and participants of each cup in this object:I don't know how to sum properties when the object has another object inside it (sorry I didn't learned that yet);

## Find all values by specific key in a deep nested object | Javascript

How would I Find all values by specific key in a deep nested object? For example, if I have an object like this:

## How does an a function that increments a value work?

I'm trying to learn haskell after years of OOP. I'm reading Happy Haskell. It provides this code:I understand how plus and plus' work (they're the same, different syntax). But increment, I don't get.

## What's wrong with “func :: String -> [Int]; func = read ”[3,5,7]“”

In a very simple module test where I have the following functionSince I have explicit type annotations, I expect to get [3,5,7] when I load the module test and call func in ghci. However, I got

## Using lambda inside a function

I'm learning about lambda functions in python through tutorials online. I understand how it works but I came across an example that puzzles me (on this page https://www.w3schools.com/python/python_lambda.asp):

## Get all but first N arguments to a bash function

I'm aware of how to get the last argument passed to a function but I'm wondering how to get all the arguments of a function after the first two:

## How sqrt() of GCC works after compiled? Which method of root is used? Newton-Raphson?

Just curiosity about the standard sqrt() from math.h on GCC works. I coded my own sqrt() using Newton-Raphson to do it!

## What is the logic of this function in R?

I'm studying about arguments in R functions, but I have some problem to understand the logic of it.I expected the error message would be return because there is no value of b. d is created under h function but there is no code like b = d which assign a...

## Functions / methods in Scala. How does this work?

I am new to Scala and have a hard time understanding all the ways of declaring and using functions. Can someone please explain, step by step, what is going on here?

## Haskell: applying flip twice (type of flip flip)

I am learning Haskell along some basic functions. I was doing some exercises with Flip, which takes a function of two arguments and evaluates the result flipping the order of the arguments. Consider the function flip flip, I would have thought, following the definition of flip, that it flipped the...