我正在使用我的github存储库连接到heroku,但当我单击deploy分支时,我得到以下错误: ! No default language could be detected for this app.
HINT: This occurs when Heroku cannot detect the buildpack to use for this application
automatically.
See https://devcenter.heroku.com/articles/buildpacks
! Pu
我正在尝试从我的前端应用程序访问我的Keycloak服务器/openid-connect/token/introspect中的内省端点,但是我得到了下一个错误:
Access to fetch at 'http://localhost:8180/auth/realms/backoffice/protocol/openid-connect/token/introspect' from origin 'http://localhost:8080' has been blocked by CORS policy:
Response to preflight requ
class Player1:
base_HP = 300
def getBHP(self):
return self.base_HP
jogador1 = Player1
jogador1_hp = jogador1.getBHP() #Functions and Class calls must end with brackets.
print(jogador1_hp)
这是我用来获取播放器HP的代码,我想把它保存在jogador1_hp上。
无论怎样,这是我得到的:
C:\Users\joaol\AppData\Local\Programs\Pyt
我在节点版本v8.9.4中面临CORS问题。错误是-
Response to preflight request doesn't pass access control check: No
'Access-Control-Allow-Origin' header is present on the requested
resource. Origin 'http://localhost:4200' is therefore not allowed
access.
在前端,我使用angular4,并将代码放在头中,但仍然面临问题。
header(
我已经在多个地方搜索了这个问题,但无法准确地找到我正在寻找的东西。假设我有这样的MVC模型结构:
public class Person {
[Required]
public string Name { get; set; }
public int Age { get; set; }
}
public class Workers {
[AgeRequired]
public Person Pilots { get; set; }
public Person Chefs { get; set; }
}
下面是我的cshtml代码:
@Mode
我尝试在我的应用程序中实现一个react-native-canvas。在进入包含画布的屏幕时,在用react-native run-ios生成的版本中,我收到以下错误: Invariant Violation: requireNativeComponent: "RNCWKWebView" was not found in the UIManager.
This error is located at:
in RNCWKWebView (at WebView.ios.js:297)
in RCTView (at View.js:45)
in View (at WebVi
我有两个模特
class Car
has_many :engines
end
class Engine
belongs_to :car
end
在car表单中,我有一个select字段,用户可以在其中选择引擎类型。名单可能是"1.4L;1.6L;2.0L.“
让我说,当用户选择引擎时,我希望显示来自引擎模型的其他信息。这个应该显示在汽车窗体上。这可能是必和必拓,最大转速,...etc
我该怎么安排这样的事情。我想有两个方面:
如何在不使用字段的情况下在汽车窗体上显示来自发动机模型的数据(此数据不可编辑)。
当用
我有一个包,在dojoConfig中定义如下:
packages: [
{ name: 'Widget', location: '/widgets/Widget' }
]
/widgets/Widget/main.js文件定义了我的主模块。使用此配置,在Javascript中,我可以直接通过其包名require模块Widget/main,如下所示:
require(["Widget"], function(Widget){
var widget = new Widget();
// all is well
});
但