These are the customer-reported issues addressed in 15.9.6:
These are the customer-reported issues addressed in this release:
- The debugger cannot continue running the process. Operation not supported. Unknown error: 0x9233000b.
- Recent Projects and Solutions not populated once executed.
- Full build every time with 15.5.
- Wrong IntelliSense errors are still shown on VS 15.5.2 for Visual Basic projects.
- VS2017 15.5.2 Unresolved references when "Allow parallel project initialization" is enabled.
- Upgrading to 15.5.2: cannot launch nor repair VS.
- VS2017 Installation issue.
- Unable to install because of BSoD.
Unhandled exceptions are a bit of a misnomer. In .NET, every exception is handled. By the time you access the specifics of an error in your Try-Catch block, the Framework has already analyzed the problem, built a structure to contain its details, examined the stack trace, and used reflection to pinpoint the location of the error, among other mundane tasks. In short, when errors occur, .NET serves them up to your code in a neatly packaged, highly examinable data block.
سلام؛ من یک جدول یوزر دارم که آی دی داره و یک جدول فیش دارم که دوتا فیلد داره که هر کدوم از فیلدها به آی دی یوزر ریلیشن داره. میخواهم از طریق code first این ریلیشن رو ایجاد کنم ولی همش خطای زیر رو میده و انجام نمیشه
Introducing FOREIGN KEY constraint 'FK_Fishs_Users_CustomerId' on table 'Fishs' may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints.
Could not create constraint or index. See previous errors.
One or more validation errors were detected during model generation: DataLayer.Context.CustomUserRole: : EntityType 'CustomUserRole' has no key defined. Define the key for this EntityType. DataLayer.Context.CustomUserLogin: : EntityType 'CustomUserLogin' has no key defined. Define the key for this EntityType. CustomUserRoles: EntityType: EntitySet 'CustomUserRoles' is based on type 'CustomUserRole' that has no keys defined. CustomUserLogins: EntityType: EntitySet 'CustomUserLogins' is based on type 'CustomUserLogin' that has no keys defined.
System.Data.MetadataException: Schema specified is not valid. Errors: Multiple types with the name 'Customer' exist in the EdmItemCollection in different namespaces . Convention based mapping requires unique names without regard to namespace in the EdmItemCollection
{
"compilerOptions": {
"experimentalDecorators": true,
...
},
"angularCompilerOptions": {
"fullTemplateTypeCheck": true,
"preserveWhiteSpace": false,
...
}
} export interface PonyModel {
name: string;
} import { PonyModel } from "./pony";
@Component({
selector: "app-detect-common-errors-test",
templateUrl: "./detect-common-errors-test.component.html",
styleUrls: ["./detect-common-errors-test.component.css"]
})
export class DetectCommonErrorsTestComponent implements OnInit {
ponyModel: PonyModel = { name: "Pony1" }; <p>Hello {{ponyModel.age}} \detect-common-errors-test.component.html(5,4): : Property 'age' does not exist on type 'PonyModel'.
A Tour of Go (golang) for the C# Developer
Learning other programming languages enhances our work in our primary language. From the perspective of a C# developer, the Go language (golang) has many interesting ideas. Go is opinionated on some things (such as where curly braces go and what items are capitalized). Declaring an unused variable causes a compile failure; the use of "blank identifiers" (or "discards" in C#) are common. Concurrency is baked right in to the language through goroutines and channels. Programming by exception is discouraged; it's actually called a "panic" in Go. Instead, errors are treated as states to be handled like any other data state. We'll explore these features (and others) by building an application that uses concurrent operations to get data from a service. These ideas make us think about the way we program and how we can improve our day-to-day work (in C# or elsewhere).
0:00 Welcome to Go
2:40 Step 1: Basics
12:20 Step 2: Calling a web service
23:35 Step 3: Parsing JSON
36:26 Step 4: "for" loops
41:00 Step 5: Interfaces and methods
50:05 Step 6: Time and Args
55:10 Step 7: Concurrency
1:07:10 Step 8: Errors
1:14:40 Step 9: Concurrency and errors
1:24:35 Where to go next
