Wechat code scanning payment
Recently, when the project was rebuilt, she was responsible for the payment module. WeChat scan code payment (NATIVE) and Alipay scan code payment were also the first contact. Although it was written out according to official documents and some blogs, there were many proble ...
Posted on Mon, 15 Jun 2020 04:48:05 -0400 by ams007
High availability hadoop installation HA
Write at the beginning
1. Distribute JDK
1.1 install jdk
2. Synchronization time
3. Configuration file check before installation
4. Secret key free settings of NN and other three machines
5. No secret key between two NN
6. Modify some c ...
Posted on Mon, 15 Jun 2020 03:30:10 -0400 by ludachris
1. Declaration of mybatisautoconfiguration.
2. SqlSessionFactory injection
3. Injection of autoconfiguredmapperscannerregistrar
4. Encapsulation of mypper MapperFactoryBean
2. Gener ...
Posted on Sun, 14 Jun 2020 05:41:37 -0400 by labourstart
Android architecture components – ViewBinding learning notes
1. Problems solved
The purpose of ViewBinding is to reduce the use of template code findViewById(int), improve development efficiency, and simplify the code of Activity and Fragment.
2. Using ViewBinding
The use of ViewBinding req ...
Posted on Sun, 14 Jun 2020 04:40:48 -0400 by Wes1890
1. Log framework
Xiao Zhang; develop a large system;
1, System.out.println(""); print key data on the console; remove the "key data" button? Write in a file?
2. Framework to record some runtime information of the system; log framework; zhanglogging.jar ;
3. How many functions ar ...
Posted on Sun, 14 Jun 2020 00:41:48 -0400 by jobs
Stage 5: distributed system development: microservice system development (day01)
Chapter 1: Spring Cloud development environment
Chapter 2: introduction to spring cloud framework
Section 1: introduction to the concept of spring cloud
Section 2: composition ...
Posted on Sat, 13 Jun 2020 06:18:57 -0400 by mlewis
8. Elasticsearch Repositories
This chapter includes details of the implementation of the elastic search repository
8.1.1. Query methods
The elastic search module supports all basic query building features, such as string queries, native search queries, condition based queries, or derived queries from ...
Posted on Sat, 13 Jun 2020 04:11:07 -0400 by Fabrizzio PHP
The mybatis framework is a Java-based persistent layer framework that supports custom frameworks. This article is mainly to understand the mybatis framework, to give a simple introduction to the mybatis framework, to understand how the mybatis framework achieves the operation of the Java ...
Posted on Fri, 12 Jun 2020 21:34:54 -0400 by beinerts
1. What is Hystrix and why do I need him?
1. In the micro-service architecture, services are split into individual services based on business, and there is a dependency between services (e.g. user adjusts commodities,
Adjust inventory, order, etc.), using RestTemplate+Ribbon and Feign between multiple ...
Posted on Thu, 11 Jun 2020 21:46:36 -0400 by shainh
It is difficult to achieve some complex animation effects only by changing the control properties, such as the Nexus boot animation. This will show how to use PathMeasure and SVG animation to achieve complex animation effects.
PathMeasure is similar to a calculator. It can calculate ...
Posted on Thu, 11 Jun 2020 03:34:19 -0400 by steve m