Spring obtains single instance process

After reading this article, you will get How to do circular dependency detection for prototype type bean s in Spring How to do circular dependency detection for singleton type bean s in Spring preface Follow up on the previous article Spring obtains single instance process (1) Let's continue to analyze the following process this time As we ...

Posted on Fri, 05 Jun 2020 22:40:07 -0700 by jini01

Spring's injection methods of Bean

catalog Registration method Bean to register Specific implementation 1. Register through configuration XML 2. Register through @ Bean 2. Dynamic injection through Beanfactory summary appendix Registration method Register via configuration XML Register with @ Bean Injection through Beanfact ...

Posted on Fri, 05 Jun 2020 22:14:16 -0700 by Grant Holmes

RPC communication of RocketMQ

Abstr: how to design RPC communication layer model is a key consideration for any MQ with strong performance In the first part, the protocol format, message encoding and decoding, communication mode (synchronous / asynchronous / one-way), message sending / receiving and asynchronous callback of Rocke ...

Posted on Fri, 05 Jun 2020 22:04:29 -0700 by kelesis

akka-typed - EventSourcedBehavior in action

As mentioned earlier, the more important change in akka typed is the addition of EventSourcedBehavior. That is to say, an actor dedicated to EventSource mode is added, and eventually CQRS can be perfectly implemented together with other kinds of actors. The new actor, which I still call persistent actor, is a kind of actor that can maintain and ...

Posted on Fri, 05 Jun 2020 22:01:29 -0700 by candy2126

aop implementation of spring framework

1. What is AOP AOP(Aspect Oriented Programming) means: face-to-face programming, a technology to realize the only maintenance of program functions through precompiling and runtime dynamic agent. AOP is the continuation of OOP, a hot spot of software development, an important content of spring framewor ...

Posted on Fri, 05 Jun 2020 21:49:15 -0700 by jmgrhm

[algorithm learning] square tree

catalog 1, The definition of square tree 2, Construction of the square tree 3, Application of the square tree [APIO2018] Triathlon Brief introduction: Explanation: [CodeForces 487E]Tourists Brief introduction: Explanation: [SDOI2018] strategy game Brief int ...

Posted on Fri, 05 Jun 2020 21:39:22 -0700 by OnePlus

Do you use Ajax to upload data and files in one form?

This article is translated from: Uploading both data and files in one form using Ajax? I'm using jQuery and Ajax for my forms to submit data and files but I'm not sure how to send both data and files in one form? I currently do almost the same with both methods but the way in which the data is gat ...

Posted on Fri, 05 Jun 2020 20:32:14 -0700 by banzaimonkey

xpath of Python 3 crawler

1, Introduction XPath is a language for finding information in XML documents. XPath can be used to traverse elements and attributes in an XML document. XPath is the main element of the W3C's XSLT standard, and XQuery and XPointer are built on top of XPath expressions. 2, Installation pip3 install lxml 3, Use Select node Common path expressions ...

Posted on Fri, 05 Jun 2020 20:15:25 -0700 by BinaryDragon

Introduction to docker

1. Core docker concepts 1.1 docker mirror Doker mirroring, also known as image, is similar to virtual machine mirroring in that it can be understood as a read-only template for a polygon docker engine and also includes a file system. Mirrors are the basis for creating containers. Through versioning ...

Posted on Fri, 05 Jun 2020 18:37:57 -0700 by Ofro04

R-Number Kill Ideas Sharing-Anti-Partial Confusion Resolution of canvas and fonts Fingerprints

R-Number Kill Ideas Sharing-Anti-Partial Confusion Resolution of canvas and fonts Fingerprints Why write this Get Source Code Found Eval Look at the code from eval Initial Restore Why write this My ip was acquired the other day because I ignored webrtc.This article will partially restore the R ...

Posted on Fri, 05 Jun 2020 18:05:11 -0700 by lovely