我正在使用打字稿在反应应用程序中工作。其中一个函数在其中一个变量中接收泛型类型。
如何检查变量的类型 T?这可能吗?
MyFunction<T>(newValues: Array<T>) {
if (typeof T === "string") {
// do some stuff
}
}
Run Code Online (Sandbox Code Playgroud) 我跟随angular.io网站的一个例子,用一个输入创建一个角形的表单,但我遇到了一个错误:
compiler.js:26390未捕获错误:无法分配给引用或变量!在PropertyWrite.visit的_AstToIrVisitor.visitPropertyWrite(webpack-internal:///./node_modules/@angular/compiler/esm5/compiler.js:26611:23)(webpack-internal:///./node_modules/@angular/编译器/ esm5/compiler.js:4900:24)在eval上的convertActionBinding(webpack-internal:///./node_modules/@angular/compiler/esm5/compiler.js:26035:45)(webpack-internal:// /./node_modules/@angular/compiler/esm5/compiler.js:28635:22)在ViewBuilder._createElementHandleEventFn(webpack-internal:///./ node_modules/.js:28631:18)在eval(webpack-internal://)的节点.(匿名函数)(webpack-internal:///./node_modules/@angular/compiler/esm5/compiler.js:28050:27) /./node_modules/@angular/compiler/esm5/compiler.js:28576:22)位于ViewBuilder._createNodeExpressions的Array.map()(webpack-internal:///./ node_modules/@ angular/compiler/esm5/compiler的.js:28575:56)
我做的唯一更改是将"名称"重命名为"用户名".
dashboard.component.ts
import { Component, OnInit } from '@angular/core';
@Component({
selector: 'app-dashboard',
templateUrl: './dashboard.component.html',
styleUrls: ['./dashboard.component.css']
})
export class DashboardComponent implements OnInit {
username: string;
submitted = false;
constructor() {
}
ngOnInit() {
}
onSubmit() { this.submitted = true; }
}
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dashboard.component.html
<div class="row justify-content-md-center">
<div class="col col-lg-12">
<form (ngSubmit)="onSubmit()" #usernameForm="ngForm" >
<div class="form-group">
<label for="username">Name</label>
<input type="text" class="form-control" id="name"
required
[(ngModel)]="username" name="name"
#username="ngModel">
<div [hidden]="username.valid || username.pristine"
class="alert alert-danger">
Name is …
Run Code Online (Sandbox Code Playgroud) 我需要在其值等于"*"时动态禁用输入.如何使用MVC Razor实现这一目标?
@Html.TextBoxFor(m => m.Digits[0], new { @class = "form-control input-lg label_16", @placeholder =
"1st", (Model.Digits[0] == "*" ? "disabled" : "") })
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上面的代码没有编译这可能吗?
我试图了解如何在app.config中引用一个类.在这种情况下,我想在app.config中配置和microsoft unity扩展
<extension type="?, ?" />
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是type="assemblyName, namespace.class"
吗?
我想读取一个包含一些可选列的 CSV 文件,因为我已经使用“?”定义了一个具有可选属性的类。但无法使其发挥作用。
public class MyItem
{
public int Id { get; set; }
public int? MyValue { get; set; }
}
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映射类:
public sealed class MyItemMap : ClassMap<MyItem>
{
public MyItemMap()
{
Map(m => m.Id);
Map(m => m.MyValue);
}
}
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然后是控制台应用程序:
static void Main(string[] args)
{
using (var reader = new StreamReader(@"C:\Test2Delete\ConsoleAppCSV\MyItem.csv"))
using (var csv = new CsvReader(reader))
{
csv.Configuration.RegisterClassMap(new MyItemMap());
csv.Configuration.HeaderValidated = null;
try
{
var records = csv.GetRecords<MyItem>();
foreach (var r in records)
{
Console.WriteLine(r.Id + " …
Run Code Online (Sandbox Code Playgroud) 我正在尝试创建一个扩展来分析在Chrome浏览器上发出的请求,但我不能让它工作.警报永远不会触发.
的manifest.json
{
"name": "Test",
"description": "Test",
"version": "1.0",
"manifest_version": 2,
"permissions": ["background", "tabs", "webRequest", "webRequestBlocking", "*://*/*"],
"background": {
"scripts": ["background.js"],
"persistent": true
}
}
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background.js
var callback = function(details) {
alert("hello");
};
var filter = { "*://*/*" };
var opt_extraInfoSpec = [];
chrome.webRequest.onBeforeRequest.addListener(
callback, filter, opt_extraInfoSpec);
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为什么我的警报没有开火?
我正在 ASP.Net MVC C# 中开发一个依赖方,它应该在外部身份提供程序中进行身份验证,我使用的是 Microsoft 的 owin 库。我遇到的问题是 Idp 不公开元数据端点,即使我没有在配置中指定它,当我尝试联系 Idp 时也会抛出异常。
[InvalidOperationException:IDX10803:无法创建以从以下位置获取配置:“ https://domain.com/oidc/.well-known/openid-configuration ”。]
我有以下代码片段:
var options = new OpenIdConnectAuthenticationOptions();
options.AuthenticationType = authenticationType;
options.ClientId = clientConfiguration.ClientID;
options.ClientSecret = AppSettings.ClientSecret;
options.Notifications = new OpenIdConnectAuthenticationNotifications
{
SecurityTokenValidated = n => ReceiveValidSecurityToken(n),
RedirectToIdentityProvider = n => ROSAddProtocolToken(n, clientConfiguration),
AuthenticationFailed = n => AuthenticationFailed(n),
};
options.Authority = AppSettings.Authority;
options.RedirectUri = clientConfiguration.GetPostLoginRedirectUri(clientConfiguration.CurrentCulture).ToString();
options.ResponseType = "code";
options.Scope = AppSettings.Scope;
options.ClientSecret = clientConfiguration.ClientSecret;
options.SignInAsAuthenticationType = CookieAuthenticationDefaults.AuthenticationType;
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我的问题是,如何指定 MS Owin 库中的所有端点(授权、令牌、用户信息、Jwls)?
Idp 需要以下设置:范围:openid Http 绑定:GET 响应类型:代码令牌端点身份验证方法:client_secret_jwt
将字符串参数添加到类中的构造函数后,浏览器出现错误:
我的课程定义如下:
import { Component, OnInit } from '@angular/core';
import { MatrixComponent } from '../matrix/matrix.component';
@Component({
selector: 'app-player',
templateUrl: './player.component.html',
styleUrls: ['./player.component.css']
})
export class PlayerComponent implements OnInit {
private userName: string;
constructor(private name: string) {
this.userName = name;
this.discovered = 0;
this.matrix = new MatrixComponent();
}
ngOnInit() {
}
}
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我在另一个类的构造函数中创建对象:
var player1 = new PlayerComponent("Me");
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我认为可以在构造函数中传递参数吗?我的代码有什么问题?
我有一个使用OpenId Connect的Web应用程序.我创建了一个自签名证书,但它仍未由CA签名.如何忽略签名验证?
这是我到目前为止:
SecurityToken validatedToken = null;
var tokenHandler = new JwtSecurityTokenHandler {
Configuration = new SecurityTokenHandlerConfiguration {
CertificateValidator = X509CertificateValidator.None
},
};
TokenValidationParameters validationParams =
new TokenValidationParameters()
{
ValidAudience = ConfigurationManager.AppSettings["Audience"],
ValidIssuer = ConfigurationManager.AppSettings["Issuer"],
AudienceValidator = AudienceValidator,
ValidateAudience = true,
ValidateIssuer = true
};
return tokenHandler.ValidateToken(jwtToken, validationParams, out validatedToken);
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它抛出以下异常:
IDX10500:签名验证失败.无法解析SecurityKeyIdentifier:'SecurityKeyIdentifier\r \n(\ r \n
IsReadOnly = False,\ r \nCount = 1,\ r \n Clause [0] = System.IdentityModel.Tokens.NamedKeySecurityKeyIdentifierClause\r \n
)\ r \n',\ntoken:'{\"typ \":\"JWT \",\"alg \":\"RS256 \",\"kid \":\"issuer_rsaKey \"}.{\" ISS \":...
我在使用轨道滑块内的悬停时遇到问题,它根本不起作用。我究竟做错了什么?
这是代码和小提琴: http: //jsfiddle.net/Bonomi/KgndE/
HTML:
<div class="row">
<div class="large-12">
<ul data-orbit>
<li>
<img src="http://upload.wikimedia.org/wikipedia/commons/a/a7/Saturn-day-earth-smiled-1000x600.png" alt="slide 1"/>
<div class="orbit-caption">
Caption 1
</div>
</li>
</ul>
<div class="orbit-caption">
Caption 2
</div>
</div>
</div>
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CSS:
.orbit-caption:hover {
background-color: red;
}
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提前致谢
我一直在努力了解AD如何在Azure中运行.我有一个Web应用程序,我想使用WAAD为应用程序提供声明.从我看到的到现在为止,唯一提供的是用户名.有没有办法向Azure AD添加外部声明?
谢谢
这可能是一个非常基本的问题,但我还没弄清楚如何在mvc应用程序中调用简单的wcf服务.我添加了服务引用,最后我希望使用服务引用名称来调用它,但在解决方案中我找不到它!我究竟做错了什么?
更新25/09/2014
控制器代码:
namespace MvcApplication4.Controllers
{
public class HomeController : Controller
{
public ActionResult Index()
{
ViewBag.Message = "Modify this template to jump-start your ASP.NET MVC application.";
ServiceReference1.Service1 srv = new ServiceReference1.Service1();
return View();
}
public ActionResult About()
{
ViewBag.Message = "Your app description page.";
return View();
}
public ActionResult Contact()
{
ViewBag.Message = "Your contact page.";
return View();
}
}
}
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WCF服务代码:
namespace WcfService1
{
// NOTE: You can …
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typescript ×3
angular ×2
asp.net-mvc ×2
html ×2
.net ×1
app-config ×1
asp.net ×1
azure ×1
css ×1
csvhelper ×1
javascript ×1
jwt ×1
orbit ×1
owin ×1
razor ×1
wcf ×1
wif ×1