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HomeBackend DevelopmentC#.Net TutorialRecommended articles about application features

Reflection and Properties The reflection and feature technologies provided by .net framework can be used to check data repeatability to decide whether to write a certain piece of data to the database table. When an entity is required to write a piece of data to the database, many times it is necessary to check whether the data is a duplicate. For example, for a newly created person, assuming that the ID number cannot be repeated, the ID number of the newly created person is the same as the one in the person table. If one or more items are repeated, you need to give a prompt or take other measures, such as updating or deleting. Method: In this demand scenario, you can use the features and reflection technology provided by .net framework to solve such needs. The specific process: Secondly, reference the newly written attribute class in the entity class to construct its unique identifier (one or more attribute combinations); Finally, when checking the data repeatability, use the method provided by Attribute to obtain the data of each entity class. Uniquely identifying attribute(s). Attribute[] GetCustomAttributes(modeltype, inheri

1. .NET Framework - Sample code for applying attributes and reflection to check data uniqueness

Recommended articles about application features

Introduction: The reflection and characteristic technology provided by .net framework can be used to check data repeatability to decide whether to write a certain piece of data to the database table.

2. Introduction to the "Appearance Pattern" example of learning Python design patterns

Recommended articles about application features

Introduction: The appearance pattern of design patterns in Python advocates dividing code into multiple modules to reduce coupling. The following uses examples to illustrate application characteristics: when many complex and small functions need to be called.

3. Oracle performance misunderstanding

Introduction: In order to improve performance, we provide methods for the Oracle database itself Or solutions have been tried a lot, mainly including: Shared server mode (MTS) Clustering technology (Clustering), RAC partition parallel processing (mainly parallel queries) These features provided by Oracle are indeed used to improve performance, but we Often neglect the analysis of their own application characteristics


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