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The order Bo Master simple number of their own published asynchronous article, has been intermittent 8, this time I would like to take the return type of async as an example, to talk alone. An async method has three possible return types:task<tresult>, Task, and void. When you need to use which return type, specific analysis is required. If it's not used properly, the results of the program may not be what you want, so let's talk about how to choose different return types for different situations. Task<tresult> "Remember" when you add the Async keyword, you need to return an object that will be used for subsequent operations, using task<tresult>. The task<tresult> return type can be used in an asynchronous method where the operand contains type TResult. In the following example, the Getdatetimeasync async method contains a return statement that returns the current time. Therefore, the method declaration must specify the task<

1. C # Basics Review the return type of async

Summary: When to use which return type, specific analysis is required. If it's not used properly, the results of the program may not be what you want, so let's talk about how to choose different return types for different situations.

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Summary: Member variables in Java are also divided into instance member variables and class member variables.

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Summary: Everything in this series is based on JavaScript and there are no fashionable gadgets, but I believe that these basics will help you understand what's interesting.

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Introduction: PHP Mobile Internet Development Notes (6)--mysql Database Fundamentals Review [1]. One, data type 1, integer data type storage space Description value range TINYINT 1 bytes very small integer signed value: -128~127 unsigned value: 0~255 SMALLINT 2 bytes Smaller

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Introduction: thinkphp Framework Foundation Review. Review of thinkphp framework fundamentals first of all, what we have to know is the directory structure: we will have the following directory after the decompression is completed: This is the official TP Manual catalogue interpretation, we can

7. PHP Mobile Internet Development notes (6)?? MySQL Database Basics Review

Introduction: PHP Mobile Internet Development notes (6)?? MySQL Database Basics Review

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Brief introduction: Thinkphp Framework Foundation Review first of all, what we have to know is the directory structure: we will have the following directory after the decompression is completed: This is the official TP Manual catalogue interpretation, we can not go to see other documents, here, Our main use is the core library of PHP thinkphp Framework directory: And then in this very main directory, there are the following file directory

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Introduction: PHP Mobile Internet Development Notes (6)--mysql Database Fundamentals Review [1]. One, data type 1, integer data type storage space Description value range TINYINT 1 bytes very small integer signed value: -128~127 unsigned value: 0~255 SMALLINT 2 bytes Smaller

Thinkphp Framework Basics Review

Introduction: thinkphp Framework Foundation Review. Review of thinkphp framework fundamentals first of all, what we have to know is the directory structure: we will have the following directory after the decompression is completed: This is the official TP Manual catalogue interpretation, we can

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