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proptypes介绍
开始 prop-types的主要作用:对props中数据类型进行检测及限制 引用方法:import PropTypes from 'prop-types' 用法: // 基本用法 用来检测数据类型 componentsName.PropTypes = { 参数变量: PropTypes.类型 } / ...
分类:其他好文   时间:2020-02-28 18:37:36    阅读次数:62
使用PropTypes进行类型检查
原文地址 1.组件特殊属性——propTypes 对Component设置propTypes属性,可以为Component的props属性进行类型检查。 import PropTypes from 'prop-types'; class Greeting extends React.Componen ...
分类:其他好文   时间:2020-02-28 18:32:05    阅读次数:85
nested exception is com.mongodb.MongoWaitQueueFullException: Too many operations are already waiting for a connection. Max number of operations (maxWaitQueueSize) of 500 has been exceeded.
application.yml 添加后两行配置,增加连接池数量data: mongodb: host: *** database: *** port: 27017 username: *** password: *** authenticationDatabase: *** connections- ...
分类:数据库   时间:2020-02-28 01:40:29    阅读次数:168
layui radio手动选择失效的问题
var radio_types = document.getElementsByName("radio_type"); for (var i = 0; i < radio_types.length; i++) { if (radio_types[i].value == _type) { $("#"+ ...
分类:其他好文   时间:2020-02-27 01:07:49    阅读次数:255
Go Pentester - HTTP CLIENTS(4)
Interacting with Metasploit msf.go package rpc import ( "bytes" "fmt" "gopkg.in/vmihailenco/msgpack.v2" "net/http" ) // Build the Go types to handle b ...
分类:Web程序   时间:2020-02-27 00:29:47    阅读次数:101
[TypeScript] as const, force immutability for Object type
Unlike JavaScript's const variable declarations, TypeScript allows you to create fully immutable types. In this lesson, we learn how to create immutab ...
分类:其他好文   时间:2020-02-26 01:28:44    阅读次数:64
2020.02.26 【ABAP随笔】- EXCEL批导程式1
今天就只是复习下excel最简单得导入程式. 其他功能请后续关注。 *节选部分代码 TYPES:BEGIN OF ty_zmmt001, matnr TYPE zmmt001-matnr, id TYPE zmmt001-id, f1 TYPE zmmt001-f1, f2 TYPE zmmt001 ...
分类:其他好文   时间:2020-02-26 01:13:56    阅读次数:79
[Typescript] Using 'Pick' to create a sub-type from original type
There might be cases where you have selective data for your entities. Let's say that you are building a public API endpoint to get all the registered ...
分类:其他好文   时间:2020-02-26 01:05:11    阅读次数:65
曹工说Spring Boot源码(19)-- Spring 带给我们的工具利器,创建代理不用愁(ProxyFactory)
写在前面的话 相关背景及资源: "曹工说Spring Boot源码(1) Bean Definition到底是什么,附spring思维导图分享" "曹工说Spring Boot源码(2) Bean Definition到底是什么,咱们对着接口,逐个方法讲解" "曹工说Spring Boot源码(3) ...
分类:编程语言   时间:2020-02-25 09:33:28    阅读次数:71
Inheritance: For Good or For Worse
1. Subclassing Built-In Types Is Tricky Since Python 2.2, subclassing built-in types such as list or dict can be done but there is a major caveat: the ...
分类:其他好文   时间:2020-02-25 09:29:49    阅读次数:60
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