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Javascript 2022-03-11 19:40:08
react load more listview
import { useState, useEffect, useCallback } from 'react' export const LoadMoreItem = (props) => { const [increment, setIncrement] = useState(4) const [disabled, setDisabled] = useState(false) const [hidden, setHidden] = useState(false) useEffect(... Add solution -
Javascript 2022-02-27 23:35:08
HashLocationStrategy
// routing export const routing = RouterModule.forRoot(routes, { useHash: true }); //for enabling production mode, before loading root NgModule, import { enableProdMode } from '@angular/core'; if (<condition to enable production mode>) { enabl... Add solution -
Javascript 2022-02-22 10:10:12
use context for arrays react
==App.js======================================== import React from 'react'; import PageContextProvider from './PageContextProvider'; import Header from './Header'; function App() { return ( <div className="App"> <... Add solution -
TypeScript 2022-02-20 03:10:16
typescript class import csv file
// # csv file import csvData from './latlong.csv'; //# text import import textData from '../common/text/info.txt'; //# json import import jsonData from '../common/json/jsondata.json'; export const TextResource = textData; // not-work export const JsonRe... Add solution -
Javascript 2022-02-12 03:15:05
reselect
import { createSelector } from 'reselect' const shopItemsSelector = state => state.shop.items const taxPercentSelector = state => state.shop.taxPercent const subtotalSelector = createSelector( shopItemsSelector, items => items.reduce((acc, ... Add solution