Answer1215

摘要： This lesson introduces assertion functions which let us narrow the type of a variable or property for the remainder of the containing scope. We're goi 阅读全文

摘要： In this lesson, we'll go over TypeScript's unknown type. The unknown type is the type-safe counterpart of the any type. Both unknown and any are so-ca 阅读全文

摘要： This lesson introduces the ?? operator which is known as nullish coalescing. The ?? operator produces the value on the right-hand side if (and only if 阅读全文

摘要： In this lesson we're diving a bit deeper and learn how to inject services into Formly Extensions with the example of using ngx-translate to localize a 阅读全文

摘要： Web Identity Federation Simplifies authentication and authorization for web applications. An Authentication token JWT is exchanged for temporary AWS c 阅读全文

摘要： This lesson introduces the ?. operator which is known as optional chaining. We're going to look at how we can use ?. to safely descend into an object 阅读全文

摘要： Create an IAM User Give Admin access Create DynamoDB Table 1) Create facts table: **** (use ^ - Shift + 6 if you are a windows user, not \) **** aws d 阅读全文

摘要： 1 Move next line ESC j 2 Move previous line ESC k 3 Delete whole line ECS dd 4 Insert ESC i 5 Save ESC :wq! ! for overwrite 阅读全文

摘要： What is KMS Managed service that makes it easy for you to create and control the encryption keys used to encrypt your data Seamlessly integrated with 阅读全文

摘要： 1. add a new user sudo adduser <admin_user_name> 2. set new user to be admin sudo usermod -aG sudo <admin_user_name>su - <admin_user_name> 3. create n 阅读全文