Android Learning Service Foundation

Android Service Service (service) It is one of the four components in Android. It can run in the background for a long time. The service does not need to provide a user interface. Even if the user switches to another application, the service can still run in the background. 1.Service Creation of 1.Service Creation of Service creatio ...

Posted on Tue, 19 May 2020 04:29:48 -0700 by George W. Bush

Develop blog project based on abp vNext and. NET Core - perfect and beautify, Swagger comes on stage

Last article( https://www.cnblogs.com/meowv/p/12896898.html )The blog project has been successfully run, so this article is mainly to solve the problems left before. Now the code seems to be confused. There are a lot of unrelated codes in it, which is really zero tolerance for obsessive-compulsive patients. In the world of programmers, there i ...

Posted on Mon, 18 May 2020 19:13:37 -0700 by suresh_nsnguys

Eggjs Learning Notes Day 33: eggjs creates a base class base.js controller, configures session, and creates a tool.js service (svg-captcha verification code)

1. Create base classes. The role of base classes: for example, login success and failure, administrator new edit success and failure, role new edit success and failure, there are success callbacks and failure callbacks, such as showing a successful information failure, these things are common.So encapsulated with base classes, other classes ca ...

Posted on Mon, 18 May 2020 09:53:22 -0700 by wkerplunk

Loading BeanDefinition into Spring's IOC

This article mainly analyses the loading of BeanDefinition in spring, for which we will specially analyze it in later articles.BeanDefinition is part of the Spring Bean module and is for spring beansUnified abstract description defines interfaces. We know that beans are defined in spring in many ways, such as XML, annotations, and custom tags. ...

Posted on Mon, 18 May 2020 09:51:49 -0700 by rilitium

Big data learning (1) Hadoop installation

Cluster architecture The installation of Hadoop is actually the configuration of HDFS and YARN cluster. As can be seen from the following architecture diagram, each data node of HDFS needs to be configured with the location of NameNode. Similarly, every NodeManager in YARN needs to configure the location of ResourceManager. NameNode and Resour ...

Posted on Mon, 18 May 2020 08:25:53 -0700 by EZbb

Understanding of spring dynamic proxy (java)

Understanding of java Dynamic Proxy Proxy mode is one of the design modes and an important application in Java related frameworks.I am also a beginner, with my own opinions.Simply put, a proxy class that needs to be enhanced and a proxy class that is a real object will implement the same interface. The byte code file of the proxy class is gener ...

Posted on Sat, 16 May 2020 20:43:47 -0700 by agravayne

Spring Cloud Cognitive Learning: Ribbon Use

Catalog Ribbon Load Balancing Simple steps to use: 1. New module for load balancing 2. Modify the module code: 3. Start module 4. Modify the consumer module Load balancing algorithm: Custom load rules: (viii)Connect Last Spring Cloud Cognitive Learning (1): Introduction to Spring Cloud and Eureka Use (viii)The previous article introduc ...

Posted on Thu, 14 May 2020 21:34:05 -0700 by kool_samule

Spring Cloud cognitive learning: introduction to Spring Cloud and use of Eureka

catalog Introduction to Spring Cloud Introduction to microservices Reasons for Spring Cloud: Common scenarios: Advantages and disadvantages of microservices: Spring Cloud version problems Version introduction Corresponding relationship with Spring Boot version ---Split line - premise of learning - split line--- Basic project constructi ...

Posted on Thu, 14 May 2020 08:21:46 -0700 by misteryoji

SpringBoot Getting Started Series Unified Log Collection!

Spring Boot exception handling was described earlier, and unclear friends can see the previous articles. Today we will focus on log collection in Spring Boot. Logs are the key to tracking error positioning issues. Especially in production environments, we need to quickly locate problems with logs. Springboot's logging framework is rich, and S ...

Posted on Wed, 13 May 2020 10:22:39 -0700 by Tandem

Spring circular reference source in-depth analysis version

@ Catalog Preface text Analysis doGetBeanWhy Prototype can't createBean doCreateBean getEarlyBeanReference getSingleton beforeSingletonCreation singletonFactory.getObject afterSingletonCreation addSingleton addSingletonFactory getSingleton(beanName) Core notes Description of the cache Execution flow chart Injection solution of ...

Posted on Sun, 10 May 2020 08:40:33 -0700 by Rolando_Garro