How to integrate custom SPI with sentinel to realize fuse current limiting

preface We talked before Talk about how to implement an SPI with interceptor function . At that time, the core idea of our implementation was to use responsibility chain + dynamic agent. Today, let's talk about how to integrate sentinel to realize fuse current limiting through dynamic agent Pre knowledge Introduction to alibaba sentinel Se ...

Posted on Tue, 07 Dec 2021 03:39:45 -0500 by alexinjamestown

Shang Silicon Valley's most complete spring MVC notes

Java Web three-tier architecture: presentation layer, business layer, persistence layer uses HTTP protocol to complete the interaction between browser and server Next step: consider the problem of function expansion, encapsulate the pattern and process, and improve the reuse rate of code 1, Introduction to spring MVC 1. What is MVC MVC is an ...

Posted on Wed, 01 Dec 2021 01:21:57 -0500 by statrat

Introduction and use of Spring Data JPA

Introduction to Spring Data JPA Spring Data JPA overview Spring Data JPA is a set of JPA application framework encapsulated by spring based on ORM framework and JPA specification, which enables developers to access and operate the database with minimal code. It provides common functions including addition, deletion, modification and query, and ...

Posted on Tue, 30 Nov 2021 23:51:27 -0500 by arag0rn

Introduction and use of ORM - JPA

ORM overview ORM (object relational mapping) represents object relational mapping. In object-oriented software development, objects can be mapped to relational database through orm. As long as a set of program can establish the association between the object and the database, the operating object can directly operate the database data. It can b ...

Posted on Tue, 30 Nov 2021 23:26:15 -0500 by hayson1991

Android Framework: exploring the design idea of Handler

This article is from the submission by Jake prim Long text warning! I suggest you click three times first and watch it slowly when you have time~ What is the meaning of Handler? Handler realizes the internal communication of apps and Binder realizes the process communication between apps, which is the core technology of the Framework. ...

Posted on Wed, 17 Nov 2021 04:14:49 -0500 by captainplanet17

Detailed explanation of Netty 10000 words - basic introduction

brief introduction Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty is an asynchronous (asynchronous in the sense of multithreading) and event driven network application framework, which is used to quickly develop maintainable ...

Posted on Tue, 16 Nov 2021 18:36:05 -0500 by cassius

Use and principle of spring MVC

preface Spring MVC is also called Spring web mvc. It is a built-in MVC framework in spring and will be released after spring 3.0. Spring MVC framework solves common problems in WEB Development (parameter receiving, file uploading, form verification, etc.), and is simple to use and seamlessly integrated with spring. Support RESTful style ...

Posted on Sat, 06 Nov 2021 23:23:02 -0400 by TechGuru

The basic use of Handler, the source code analysis of common problems and the source code explanation of operation mechanism

1, Definition A set of Android messaging mechanism / asynchronous communication mechanism. 2, Function In the multi-threaded scenario, the sub thread needs to transfer the update UI operation information to the main thread to realize the processing of asynchronous messages. 3, Use There are two ways to use: One is to realize asynchronous ...

Posted on Sat, 16 Oct 2021 13:36:22 -0400 by dean7

How is the Android App app started?

preface As many years of Android development, I have written many applications, but how does an App start? If you want to say that the desktop starts at one click, that's right. But what about its startup process? With such questions, let's study step by step. Android startup process Generally, on any platform, the following components will ...

Posted on Mon, 11 Oct 2021 15:35:54 -0400 by dwilson