Programming VIP

Due to the needs of work and business, the author has developed a set of freshman enrollment identity verification system, which is used to verify the identity of Freshmen in real time when they enter school (the Ministry of education requires freshmen to conduct face comparison when they enter school), and count the check-in situation of Fresh ...

This article is a personal note based on the official documents. Some simple contents are useless. Please refer to the official documents: https://docs.microsoft.com/zh-cn/aspnet/core/fundamentals/configuration/?view=aspnetcore-5.0 Configuration is configured using one or more configuration providers. This program reads key value pairs from ...

Ajax (abbreviation for Asynchronous JavaScript and XML), as we can see, the focus of this concept is no longer the XML part, but the Asynchronous part. It is a model that requests data from the server in the background. MVC framework has built-in support for Unobtrusive Ajax, which allows us to define the characteristics of Ajax through MVC's h ...

1, Current limiting algorithm In high concurrency systems, there are three sharp tools to protect the system: caching, degradation and current limiting. This paper mainly introduces current limiting. There are three current limiting algorithms: 1. Counter algorithm Fixed windowsliding window 2. Token bucket algorithm3. Leaky bucket ...

Confucius said: if a worker wants to do well, he must sharpen his tools first github: https://github.com/redAntCpp/CSharpTools Next to the previous article, the previous article only realizes the generation and parsing of token, and incidentally mentions the verification mechanism. However, in actual business, it is usually necessary to ver ...

In this article, I will focus on the enhancement of LINQ query function in EF Core 6. This is the third article in the summary of new features of EF Core 6: Summary of new functions of EF Core 6 (I) Summary of new functions of EF Core 6 (II)​​​​​​​ Summary of new functions of EF Core 6 (III) 1. Better support for GroupBy query EF Core 6. ...

c# asp.net uses ajax and ashx files to interact The. ashx file is used to write the of the web handler ashx files and Similar to aspx file, HttpHandler class can be called through it, which eliminates the ordinary The process of control parsing and page processing of aspx page. It's actually a mixed file with HTML and C #. The. ashx file is s ...

Preface More and more Web applications are interacting with JSON as a data exchange format for APIs. The goal of this document is to keep the design style of the HTTP JSON API consistent and easy to understand and maintain. A good API should be able to consistently provide stable, easy-to-use, trusted services throughout its lifecycle and smoo ...

Use AOP proxy interception to realize caching The simple cache implementation above: The. Net core web API uses iationfilter to implement request caching The cache needs to be defined in the Controller layer, which increases the coupling to the Controller layer. In addition, the cache is the result IActionResult cache at the controller level. ...

stay LastIn depth LINQ | dynamic construction of LINQ expression In this blog post, we explore the power of expression and use it to dynamically build a JSON based rule engine. In this article, we start with expressions instead. Considering the diversity of expression types and the complexity of expression tree, what is a good way to decompose ...