我试图从我的2008 R2服务器启动mongod.exe并且我收到此错误:
I CONTROL Hotfix kb2731284 or a later update is not installed, will zero-out files.
Run Code Online (Sandbox Code Playgroud)
我没有找到任何更新或什么是我控制,有人遇到问题?谢谢.
我正在使用应该支持 react 的 react-dom@16.6.1 和 react@16.6.1Context
并尝试运行一个与react-context相同的简单示例:
应用程序.js
import React, { Component } from 'react';
import AppManger from './components/AppManger';
import './App.css';
export const ThemeContext = React.createContext({a1:'a1'});
class App extends Component {
render() {
return (
<div className="App">
<h1>Manage Storefront Services Products</h1>
<ThemeContext.Provider value="dark">
<AppManger />
</ThemeContext.Provider>
</div>
);
}
}
export default App;
Run Code Online (Sandbox Code Playgroud)
AppManger.js(没有上下文引用)
import React, { Component } from 'react'
import SearchBar from './SearchBar';
export default class AppManger extends Component {
constructor(props) {
super(props);
this.onSearchBarChange = …
Run Code Online (Sandbox Code Playgroud) 阅读 react-datepicker文档后,我尝试按照文档的说明更改我的日期选择器语言:
通过提供 locale 道具,全局调用 moment.locale(lang) Picker-specific
我的问题是在反应应用程序中编写此设置的位置。
1- app.js(构造函数)。
2-日期选择器组件(构造函数)。
3-别处...
以及如何将其设置为道具,我尝试过:
<DatePicker locale='gr'
minDate={this.props.minDate}
selected={this.state.startDate}
onChange={this.handleChange}
disabled = {this.props.disabled}
/>;
Run Code Online (Sandbox Code Playgroud)
它仍然显示为英语。
顺便说一句-有人知道希伯来语的语言字符串是什么吗?谢谢。
我正在使用 javaxValidation.constraints
并且我想验证输入但允许它为空,我的 POJO:
public class somePOJO{
@NotNull
@Size(min =2, max=50)
@Pattern(regexp="^[A-Za-z \\s\\-]*$")
private String country;
@Size(min =2,max=50)
@Pattern(regexp="^[A-Za-z \\s\\-]*$")
private String state;
//gettes, setters.....
}
Run Code Online (Sandbox Code Playgroud)
我想验证state
,例如, @Pattern
并且@size
仅当它不是null
。
有没有办法使用自定义注释来做到这一点?
npm run build
在react-create-app
项目上运行命令会在所有文件中创建一个构建文件夹和一些默认路径,例如地图文件:
{"version":3,"sources":["../static/js/main.500cb0d9.js" ...
Run Code Online (Sandbox Code Playgroud)
我可以更改构建文件夹中的所有路径以匹配我的BE,例如
{"version":3,"sources":["mywebsite/web/static/js/main.500cb0d9.js" ...
Run Code Online (Sandbox Code Playgroud)
的package.json:
{
"name": "reactTest",
"version": "0.1.0",
"private": true,
"dependencies": {
"jquery": "^3.3.1",
"moment": "^2.22.1",
"react": "^16.4.1",
"react-datepicker": "^1.5.0",
"react-dom": "^16.4.1",
"react-month-picker": "^1.3.7",
"react-scripts": "1.1.4"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test --env=jsdom",
"eject": "react-scripts eject"
}
}
Run Code Online (Sandbox Code Playgroud) 我需要读取我的GenericFilterBean
. 因为我不能两次调用getreader我用过ContentCachingRequestWrapper
类似 -
HttpServletRequest httpRequest = (HttpServletRequest) request;
ContentCachingRequestWrapper cachedRequest = new ContentCachingRequestWrapper(httpRequest);
Run Code Online (Sandbox Code Playgroud)
获取请求正文-
String payload = cachedRequest.getReader().lines().collect(Collectors.joining());
Run Code Online (Sandbox Code Playgroud)
并链接请求-
chain.doFilter(cachedRequest, response);
Run Code Online (Sandbox Code Playgroud)
但我的控制器仍然抛出-
.w.s.m.s.DefaultHandlerExceptionResolver : Resolved exception caused by handler execution: org.springframework.http.converter.HttpMessageNotReadableException: Required request body is missing: public org.springframework.http.ResponseEntity<?> com.siemens.plm.it.sf.api.controllers.OrderController.createCCOrder(com.siemens.plm.it.de.ms.provisioning.model.sap.SapQuoteCreationArgument,javax.servlet.http.HttpServletRequest) throws java.lang.Exception
Run Code Online (Sandbox Code Playgroud)
如何链接请求以便我也可以读取控制器中的有效负载?
我通过XMLHttpRequest从文本框向node.js表达服务器发送一些文本:
var text = document.getElementById("textBox").value;
console.log(text);
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 || xmlhttp.status==200)
{
document.getElementById("textBox").value =xmlhttp.responseText;
}
}
xmlhttp.open("POST","http://127.0.0.1:3000/",true);
xmlhttp.send(text);
Run Code Online (Sandbox Code Playgroud)
我的问题是如何在我的服务器中访问它:
var http = require("http");
var url = require("url");
var qs = require('querystring');
var path = require('path');
var bodyParser = require('body-parser');
var express = require('express');
var app = express();
// start endle req\res
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false …
Run Code Online (Sandbox Code Playgroud) 我正在尝试assertEquals
使用JUnit 4
, Java 8
, 来比较 2 个字符串来检查解密函数,所以:
String data = "veryLongEncryptedString.....";
String value = DecUtils.decryptToken(data, null); //returns String
assertEquals("Here User name: ", "encrypt expected value", value);
Run Code Online (Sandbox Code Playgroud)
这些值相等,但控制台显示引用其中之一:
org.junit.ComparisonFailure: Here is test for Addition Result: expected:<[xxx]> but was:<["xxx"]>
Run Code Online (Sandbox Code Playgroud)
如何使这两个值都带引号或不带引号?谢谢。
MultipartFile
我正在尝试使用和控制器将 2GB+ 文件上传到我的存储桶AmazonS3
:
@PostMapping("/uploadFile")
public String uploadFile(@RequestPart(value = "file") MultipartFile file) throws Exception {
String fileUploadResult = this.amazonClient.uploadFile(file);
return fileUploadResult;
}
Run Code Online (Sandbox Code Playgroud)
亚马逊客户端上传文件:
public String uploadFile(MultipartFile multipartFile) throws Exception {
StringBuilder fileUrl = new StringBuilder();
try {
File file = convertMultiPartToFile(multipartFile);
String fileName = generateFileName(multipartFile);
fileUrl.append(endpointUrl);
fileUrl.append("/");
fileUrl.append(bucketName);
fileUrl.append("/");
fileUrl.append(fileName);
uploadFileTos3bucket(fileName, file);
file.delete();
} catch (Exception e) {
e.printStackTrace();
throw e;
}
return fileUrl.toString();
}
Run Code Online (Sandbox Code Playgroud)
amazonClient-convertMultiPartToFile:
private File convertMultiPartToFile(MultipartFile file) throws IOException {
File convFile = new File(file.getOriginalFilename()); …
Run Code Online (Sandbox Code Playgroud) 我有一个checkbox
内部ng-form
说唱HTML5 form
,我想排除所以它不会改变我的形式$state
($pristine
或$dirty
).
我试过使用ignoreDirty
指令 - Angular 1.2:是否可以在表单脏检查中排除输入?
和其他一些解决方案,但没有ng-form
内部工作HTML5 form
,一些示例代码:
<form name="mainForm" class="col-xs-10 form-validation" novalidate>
<ng-form name="innerForm">
<div>
<span>check my
<span ng-if="vm.utils.mode!=='readonly'">
<input type="checkbox"
ng-model="vm.utils.amalotSecond"
class="secondYearCheckBox">
</span>
</span>
</div>
</ng-form>
<form>
Run Code Online (Sandbox Code Playgroud) java ×3
javascript ×3
reactjs ×3
spring-boot ×2
amazon-s3 ×1
angularjs ×1
express ×1
file ×1
filtering ×1
forms ×1
html ×1
html5 ×1
http ×1
junit4 ×1
localization ×1
momentjs ×1
mongodb ×1
node.js ×1
npm-run ×1
npm-scripts ×1
validation ×1