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Recently, there was a need to achieve drag-and-drop sorting of pictures. It would have just touched the Wechat applet, tampered with it for a long time, and checked a lot of information, but it was still a lot of confusion, and finally achieved. So ...

Original Link: https://www.jianshu.com/p/43bfb4516dd8 1. Introduction to adapter mode Adapter mode: Converts a class's trans-interface to another interface that the client wants. The adapter mode enables which classes that were previous ...

LiveData is a new technology presented at the 17-year Google IO conference. Compared with the framework EventBus and RxBus of communication bus type, it is simpler, simpler and more decoupled. LiveEventBus is an Android message bus based on LiveData, with life cycle awareness, Sticky support, AndroidX support, cross-process support, cross-APP ...

Introduction to Joseph: It is said that Josephus, a famous Jewish historian, had the following story: 39 Jews hid in a cave with Josephus and his friends after the Roman occupation of Chotapat. 39 Jews decided to die rather than be caught by the enemy, so they decided to commit suicide. 41 people lined up in a circle and were opened by the firs ...

Business development often deals with data. In order to improve development efficiency and save development cycle, the following tool classes are what you say you need. 1. Time Formatting /** * @params time time stamp * @params cFormat Format type {y}-{m}-{d} {h}:{i}:{s} * Where y | m | d | h | m | s | a denotes year | month | day | time | m ...

Android development will encounter a variety of models, so it is necessary to adapt to a variety of models. Common adaptions are not described in detail in this category. You can refer to the series of articles here. Android Universal Screen Adap ...

Simple use of Swagger2 1. Dependencies needed to import Swagger2 <!--Add to Swagger rely on --> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.8.0</version> </dependency> <!--Add to Swagger-UI rely on --> <dependency&g ...

Summary of sql statements Exercise 1: //Create a Category Table: create table category( cid int primary key auto_increment, cname varchar(10), cdesc varchar(31) ); insert into category values(null,'Mobile Digital','Electronic product'), (null,'Shoe ...

Introduction of Technology Stack Front end part: react v16.8 family bucket (react,react-router): MVVM framework for building user interface redux: Famous JavaScript State Management Container redux-thunk: redux middleware for handling asynchronous logic immutable: Facebook's three-year-old library for persistent data structure processing (it ...

This article is from APICloud Official Forum FNScanner module is a two-dimensional code/bar code scanner, which is an optimized upgrade of scanner module. On the iOS platform, Zbar and the barcode/two-dimensional code analysis library are integrated in the bottom of this module. Because the relevant interface of two-dimensional code/barcode is ...