provider | 易学教程

Angular2 providers in bootstrap vs @component

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From my understanding, you can define your application providers in your bootstrap call like this: bootstrap( App, [disableDeprecatedForms(), provideForms()]] ) or in your root component like this: @Component({ selector: 'my-app', providers: [disableDeprecatedForms(), provideForms()], ... ) However, I have created a form validator plugin that required the provideForms providers and this directive only works, when the bootstrap options. I have created a plunk to illstrate the problem : the validator works, if I add the providerForms() to the bootstrap call. As soon as I comment out the

What is an ASP.NET Provider?

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What is the meaning of "Provider" in ASP.NET Provider? For example when we are speaking about AuthorizationRuleProvider , connectionStrings.providerName , ...? Fredrik Mörk It's a design pattern: The Provider model . There is some good information in this SO Q&A as well: Designing loosely coupled components in .NET - Provider Pattern It's just a concrete implementation of an abstract interface. You can select an appropriate provider to fulfill the requirements of the interface at runtime. And if you want to implement the Provider pattern in your application, take a look at this .NET Provider

Sonata Media Bundle - how to write custom provider?

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问题 There is an example in the official documentation about how to write custom provider, but it doesn't work. My question is: what is the best way to write custom provider, especially how to write and register provider as a new service? When I try to use this code from documentation, I get errors about type of arguments. What does mean empty argument? Thank you. 回答1: After some investigation, the following code works: Register provider as a service: // src/Application/Sonata/MediaBundle

ASP.NET: How to create a connection from a web.config ConnectionString?

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问题 How do you construct a DbConnection based on a provider name ? Sample provider name s System.Data.SqlClient System.Data.OleDb System.Data.Odbc FirebirdSql.Data.FirebirdClient i have connection strings stored in my IIS server's web.config file: <connectionStrings> <add name="development" connectionString="Provider = IBMDA400; Data Source = MY_SYSTEM_NAME; User Id = myUsername; Password = myPassword;" providerName="System.Data.OleDb" /> <add name="live" connectionString="usd=sa;pwd=password

Adding custom attributes to Custom Provider Configuration Section in app.config

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问题 I am following this great article on how to create a Provider framework in .NET Basically, this article explains greatly how to end up with a configuration file like the following: <configuration> <configSections> <section name="data" type="DataProviderConfigurationSection" /> </configSections> <data defaultProvider="MyDataProvider"> <providers> <add name="MydataProvider" type="MyDataProvider" /> </providers> </data> </configuration> Where the <add/> element allows you to define a provider.

What are com.sec.android.provider.* apps exactly?

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I know it's not a code question. However, i try to work on some databases that stored in directories like /data/data/com.sec.android.provider.* . What does it mean by "sec" in the provider signature? Does it depend on the manufacture provider? One example: the content provider for call_logs reads the database in /data/data/com.sec.android.provider.logsprovider on a Samsung. What read the same content provider on an HTC? Im a bit confused... However, i try to work on some databases that stored in directories like /data/data/com.sec.android.provider.*. Those are not part of the Android SDK. What

Changes done in one component view doesn't reflect in another component view in angular 4

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问题 Here I am changing some data in one component ex: change user profile picture of one module and the same profile picture should be reflected in another component of some other module. These are not parent/child components. Hence I am importing the module and particular component. calling a function of the component which assigns the scope value of the profile picture. That function is triggered and changed url is appearing in console, If I print that in console. But not reflecting in View. I

AngularJs/ .provider / how to get the rootScope to make a broadcast?

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Now my task is to rewrite $exceptionHandler provider so that it will output modal dialog with message and stop default event. What I do: in project init I use method .provider: .provider('$exceptionHandler', function(){ //and here I would like to have rootScope to make event broadcast }) standart inject method does not work. UPD : sandbox - http://jsfiddle.net/STEVER/PYpdM/ You can inject the injector and lookup the $rootScope. Demo plunkr: http://plnkr.co/edit/0hpTkXx5WkvKN3Wn5EmY?p=preview myApp.factory('$exceptionHandler',function($injector){ return function(exception, cause){ var rScope =

Sonata Media Bundle - how to write custom provider?

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There is an example in the official documentation about how to write custom provider, but it doesn't work. My question is: what is the best way to write custom provider, especially how to write and register provider as a new service? When I try to use this code from documentation, I get errors about type of arguments. What does mean empty argument? Thank you. After some investigation, the following code works: Register provider as a service: // src/Application/Sonata/MediaBundle/Resources/config/services.yml parameters: application_sonata_media.custom_class: Application\Sonata\MediaBundle

Angular2's provide() function deprecated in RC4 and later, what should be used instead?

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I just upgraded from Angular2 RC1 to RC4. Before I used: provide(LocationStrategy, {useClass: HashLocationStrategy}) However, after upgraded to RC4, the provide shows as deprecated. I did not find any documentation on this. Does anyone have an idea about what happened? As was pointed out in the comments above, you should now just use an object with provide and useClass properties, such as in the following: bootstrap(App, [ CookieService, AuthService, WindowService, COMMON_DIRECTIVES, ROUTER_DIRECTIVES, HTTP_PROVIDERS, provideRouter(AppRoutes), { provide: LocationStrategy, useClass: