Spring security filter chain analysis

Filter chain analysis In Spring security, all functions are implemented through filters, which form a complete filter chain. 4.1 initialization process analysis 4.1.1ObjectPostProcessor /** * Allows objects to be initialized. Typically, this is used to call the Aware method, initializingbean Afterpropertieset() and ensure disposab ...

Added by bbaker on Thu, 24 Feb 2022 08:29:24 +0200

spring ioc: circular dependency, L3 cache and FactoryBean

Last This article introduces the spring ioc container initialization process as a whole (starter - > refresh - > registerbeandefinition - > docreatebean - > populatebean)But it is limited to the routine process. How to deal with some special cases, such as "object loop application" spring - this is the question to be answe ...

Added by sherri on Thu, 24 Feb 2022 08:29:40 +0200

Quickly understand load balancing

Quickly understand load balancing 1, Introduction to load balancing Learn more and pay attention code Zatan ! 1.1. Challenges faced by large websites Large websites have to face the challenges of huge number of users, high concurrency, massive data and so on. In order to improve the overall performance of the system, vertical expansion ...

Added by FuriousIrishman on Thu, 24 Feb 2022 08:13:46 +0200

Vue3. Seven component communication modes of X

1, Premise This kind of combination is more specific to the API composition method, which is equivalent to the free writing method vue document Description of two ways. This article will introduce the following seven component communication modes: ● props ● emit ● v-model ● refs ● provide / inject ● eventBus ● vuex / pinia (status manag ...

Added by NSW42 on Thu, 24 Feb 2022 07:58:49 +0200

VLAN and layer 3 switch

Daily share: Any restriction starts from your heart. 1, Concept and advantages of VLAN 1. Split broadcast domain 1) Physical segmentation: divide the network into several small networks physically, and then connect different networks with routing equipment that can isolate broadcasting to realize communication. 2) Logical segmentatio ...

Added by erika_web on Thu, 24 Feb 2022 07:22:41 +0200

netty -- sticky package and half package problem

netty(3) – stick pack and half pack problem What is TCP sticky packet and half packet? Suppose the client sends two data packets D1 and D2 to the server respectively. Since the number of bytes read by the server at one time is uncertain, there may be the following four situations. The server reads two independent data packets, D1 an ...

Added by t_miller_3 on Thu, 24 Feb 2022 07:12:25 +0200

Linux CentOS7 Web Services

Web Services Web service is one of the most popular and popular services for Internet applications. It is a platform for information release, data query, data processing, network office and distance education. 1, Introduction to Web Services Web server, also known as WWW server, is mainly used to provide online information browsing serv ...

Added by nerya on Thu, 24 Feb 2022 06:42:37 +0200

Little bear Pie: use openharmory3 0 turns on the LED

Abstract: as a representative and complete development, this case can be divided into three parts: code file planning, LED lamp driving development and LED lighting business development. This article is shared from Huawei cloud community< Use openharmory3 on Micro bear pie 0 lit LED(1)LED driver development >, author: shenlongju city. ...

Added by weknowtheworld on Thu, 24 Feb 2022 06:02:01 +0200

Can you forward and redirect decryption in SpringBoot?

Hello, everyone. I'm a passer-by. This is Chapter 29 of spring MVC series.1. The content of this paper includes three knowledge pointsHow to implement forwarding in spring MVC?How to implement spring MVC redirection?Redirect three parameter transfer methods2. Forward2.1. servlet native forwardingrequest.getRequestDispatcher(path).forward(reques ...

Added by coco777 on Thu, 24 Feb 2022 05:50:32 +0200

Python advanced notes Part 2: overview of database and MySQL data table operation

🌟 data storage Manual management stageFile management phase (. TXT. Doc. XLS)Database management stage: the data organization structure reduces the redundancy, improves the efficiency of addition, deletion, modification and query, and is easy to expand and convenient for program call and processing 🌟 Basic conceptsDatabase: a warehouse that s ...

Added by hanji on Thu, 24 Feb 2022 05:45:05 +0200