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Swift 2021-10-08 03:55:04
swift how to add a completion block to a function
Simple Swift 4.0 example: func method(arg: Bool, completion: (Bool) -> ()) { print("First line of code executed") // do stuff here to determine what you want to "send back". // we are just sending the Boolean value that... Add solution -
Javascript 2021-10-07 11:08:02
react native document picker example
try { const res = await DocumentPicker.pick({ type: [DocumentPicker.types.allFiles], //There can me more options as well // DocumentPicker.types.allFiles // DocumentPicker.types.images // DocumentPicker.types.plainText // Documen... Add solution -
TypeScript 2021-10-06 18:03:02
amcharts angular universal
declare var require: any; @Component({...}) export class MapComponent implements OnInit, OnDestroy { private chart; isBrowser: boolean constructor( @Inject(PLATFORM_ID) private platformId: Object ) { this.isBrowser = isPlatformBrowser(... Add solution -
Other 2021-10-06 05:09:04
input count
import React from "react"; import Button from "@material-ui/core/Button"; import ButtonGroup from "@material-ui/core/ButtonGroup"; class GroupedButtons extends React.Component { state = { counter: 0 }; handleIncrement =... Add solution -
Other 2021-10-06 02:16:03
rsend code in timer kotlin
val timer:textview=findviewbyid (r.id.textview) //The timer here is the textview i want to control to display the countdownval msubscription:subscription?= null //subscription object, used to unsubscribe,Preventing memory leaks//Start the countdown,Implem... Add solution -
Other 2021-10-05 16:39:04
jean toomer song of the son quotes meaning
Pour O pour that parting soul in song, O pour it in the sawdust glow of night, Into the velvet pine-smoke air to-night, And let the valley carry it along. And let the valley carry it along. O land and soil, red soil and sweet-gum tree, So scant of grass,... Add solution -
Javascript 2021-10-05 08:34:05
async await react stackoverflow
constructor() { // ... this.state = { returnData: null } } async componentDidMount() { const returnData = await this.Post(...); // Using await to get the result of async func this.setState({ returnData }); } async Post(body) { try{ co... Add solution -
Python 2021-10-05 00:43:04
python global variables
trying to assign a global variable in a function will result in the function creating a new variable with that name even if theres a global one. ensure to declare a as global in the function before any assignment. a = 7 def setA(value): global a # ... Add solution
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