Programmer Think

M5 (project) - 01 - development document of distributed foundation of Shangsi Valley grain mall project Distributed Foundation 1, Environment construction Installation of various development software Virtual machine: docker,mysql,redis Host: maven, idea (back end), vscode (front end), git,NodeJS Version and installation process Quickly b ...

catalogue Connection pool settings.Get the settings of connection timeout, establish connection timeout and maintain connection timeout.Long connection policy settings.Connection eviction policy settings.Setting of retry mechanism.Setting of personalization request parameters.Appendix. order HttpClient can be used to provide an efficient, up- ...

Recommend a blog post with a clear idea of quick sorting: https://blog.csdn.net/jiangtianjiao/article/details/88929408 The contents are as follows: basic thought Select a benchmark number and divide the data to be sorted into two independent parts through one-time sorting. All data in one part is smaller than all data in the other part. Then qu ...

Book management system (SSM framework integration) preface The simple book management system implemented with SSM framework can carry out basic CRUD functions. 1, What is the SSM framework? 1.SSM SSM (Spring + spring MVC + mybatis) framework set is integrated by spring and mybatis (spring MVC is part of spring), which is often used a ...

Realization idea Pixelation is to make many adjacent pixels become one pixel, which will naturally have the effect of pixelation. According to this idea, we can immediately think of a way to divide the screen into several areas. Each area is composed of several adjacent pixels. Each area is a square, and then calculate the convolution of the s ...

This article is forwarded from: blog.csdn.net/KH_FC/article/detail... crap At present, python is also learning, and I am not particularly proficient in python. I also use video transcoding, so I wrote such a simple tool after consulting some materials. This tool can be used by myself. There are still many deficiencies when using the formal env ...

Java-12 enumeration classes and annotations 1, Enum class (enum) 1. Use of enumeration class 1. Understanding of enumerating classes: there are only a limited number of objects in a class, which is uncertain. We call this class enumeration class 2. When you need to define a set of constants, it is strongly recommended to use enumeratio ...

"Crazy learning of Java design patterns: prototype patterns" Mode type The prototype pattern belongs to the creation pattern, which provides the best way to create objects. Two, schema definition Q: what is a prototype model? Answer: Prototype Pattern is to use prototype instances to specify the type of objects to be ...

C# NET asynchrony, five uses you may not know async/await asynchronous operation is a very amazing "syntax sugar" in C#, which makes asynchronous programming beautiful and stupid to an incredible extent. Even JavaScript uses async/await syntax for reference, which makes the JavaScript code overflowing with callbacks beautiful. Usage ...

premise Process multiple business modules at the same time. Multiple business modules may need to transfer data to each other or need synchronous control. Two entities need to communicate with each other and must have resources that can be shared. Files on disk: -- > IO processing is slow and out of sync. Application scenario of process co ...