Category "closures"

laravel db transaction context is available on called functions

I have found that for using DB::transaction in Laravel, in combination with the ORM, we need to run something like: DB::transaction(function() { // Mod

Swift: Accessing argument of closure stored as variable

I ran into some code for a location manager class and I noticed that there is a variable that holds a closure. var locationInfoCallBack: ((_ info: LocationInfor

How To Solve The React Hook Closure Issue?

import React, { useState} from "react"; import ReactDOM from "react-dom"; function App() { const [count, setCount] = useState(0); function handleAlertCli

Python, loops and closures

I'm a fairly experienced C/C++ (and to some degree, Java) programmer. I'm learning python, but I'm baffled at some strange (for my backgroung) behaviors of the

YDNJS: scope and closures hoisting wrong example [duplicate]

I am reading YDNJS: scope and closures, And in chapter 4 which talks about hoisting it says that Function declarations that appear inside of

Is it complusory to use "in" keyword in closure? If no then what is the syntax wise difference between closure and computed property in swift?

In swift use of get and set is not compulsory and if use of "in" in closure is also not compulsory then how to differentiate a closure and computed property? Li

How to return an iterator from a function and use it?

I'm trying to teach myself Rust by working on a little calendar project. Here I'm trying to generate a list of dates spanning three whole months around a given

closures with two inner functions python

I am trying to write a closure with two inner functions, but I am getting the below error def factory(n=0): #n=0 def current(): return n return

Go closure variable scope

I'm reading 'CreateSpace An Introduction to Programming in Go 2012' and on page 86 I found this evil magic func makeEvenGenerator() func() uint { i := uin

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