Course Elementary 3321
Course Introduction:Promise is the most important and difficult technology in ES6. Interviews with medium and large companies will ask about the implementation of front-end Promise. This video tutorial starts from the most basic callback/exception syntax, to the basic use of Promise; from technical analysis of Promise difficulties, to step-by-step handwritten Promise implementation, extended async and await in-depth analysis, macro queue and micro queue detailed explanation; and finally through Classic interview questions to test the effect of Promise learning. After passing the level, you will become a Promise senior engineer.
Course Intermediate 10951
Course Introduction:"Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
Course Advanced 17021
Course Introduction:"Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.
How to automatically load custom classes in laravel 5.2?
2017-05-16 16:49:26 0 2 471
Custom class cannot be found in Laravel 10
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How to specify custom column types in Prisma?
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How to set custom category archive link to /%category%/%taxonomy%
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Course Introduction:How to customize PHP exception class? Extend the built-in Exception class and create a custom exception class. Pass the message, error code, and previous exception (optional) in the constructor. Create custom exceptions for specific situations, providing more detailed error messages.
2024-05-09 comment 0 596
Course Introduction:Yes, you can define custom error types in Go by creating a structure that implements the error interface and providing the Error() method to return an error message. Custom error types can be created using the errors.New function or a custom type. In practice, custom error types can provide more specific and meaningful error messages, enhancing the usability and maintainability of the application.
2024-05-02 comment 0 352
Course Introduction:In Go, you can define methods, i.e. method receivers, for custom types. Simply define the receiver type, method name, and parameters to add behavior for a specific type.
2024-06-03 comment 0 1013
Course Introduction:By using the dataclass module, we can create custom types from existing values, thus simplifying the code and improving readability: Import the dataclass module. Use the @dataclass decorator to create a custom type and specify the type attributes. Instantiate a custom type using an existing value. Access and manipulate properties in custom types. By creating a custom type from an existing class, we can preserve the methods and properties of the class.
2024-06-01 comment 0 661
Course Introduction:Creating custom error types in Go provides more detailed error messages. Create a custom error type: Use the error interface to define the error type, and implement the Error() method to return the error message. Use custom error types: Use custom error types like any other error type. Practical example: File read operation uses a custom error type to provide details of an unreadable file path. Benefits: more specific messages, higher maintainability, differentiated handling of different errors.
2024-04-15 comment 0 735