<?php namespace App\Http\Controllers; use Illuminate\Foundation\Bus\DispatchesJobs; use Illuminate\Routing\Controller as BaseController; use Illuminate\Foundation\Validation\ValidatesRequests; use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
Given an array of integers and an integer k, return true if and only if there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between i and j is at most k. (Old Version) Given an array of integers and an i
写在前面 写React也有段时间了,一直也是用Redux管理数据流,最近正好有时间分析下源码,一方面希望对Redux有一些理论上的认识:另一方面也学习下框架编程的思维方式. Redux如何管理state 注册store tree 1.Redux通过全局唯一的store对象管理项目中的state var store = createStore(reducer,initialState); 2.可以通过store注册listener,注册的listener会在store tree每次变更后执行 st