Articles
android

indictment! If you dare to plagiarize on Muke.com, I dare to sue you!

Friends of the latest development of the squatting incident, here I am! The prosecution process will begin this week! Recently, I was also reading some legal provisions in the "China Copyright Law" and the "Criminal Law of the People's Republic of China", which is also very surprising. Under normal circumstances, a programmer would not read these legal documents, but there are always accidents in life, and I can't help it. After the court formally accepts it, a lawsuit is about to be brought. I

... Alejandro
schedule 24 min read
android

GetX realizes similar WeChat forwarding and searching multiple friends

Customize searchBar to search the local database for friend information, highlight matching and send multiple selections Let's look at the file classification first receive_share_intent.dart please ignore Use MVC to achieve code layering logic: controller layer processing logic view: UI controls state: data layer widget: control split First look at the view layer class ForwardMsgPage extends StatelessWidget { final Message forwardMsg; /// Inject controller and state final ForwardMsgLogic logic

... Andrea
schedule 7 min read
android

[Translation Plan]-Spring Framework Documentation (3)

Original link: docs.spring.io/spring-fram... 1.3 Bean overview The Spring IoC container manages one or more beans. These beans are created using the configuration metadata you provide (for example, defined in XML). Within the container itself, these bean definitions are represented as BeanDefinition objects, which contain (among other information) the following metadata: The fully qualified name of the class: usually the actual implementation class of the defined bean The Bean behavior configura

... Silas
schedule 12 min read
android

Mybatis one-to-many & many-to-one relationship mapping

Many to one Many-to-one save Take employee class and department class as an example, the relationship between employee and department is many-to-one Note: save one party first, then save multiple parties /** * Staff category */ public class Employee { private Long id; private String name; private Integer age; private Dept dept; //getter, setter, toString } Copy code /** * Department category */ public class Dept { private Long id; private String name; //getter, setter, toString } Copy code DeptM

... Aaron
schedule 6 min read
android

CameraX + Huawei ScanKit: the ultimate solution for QR code scanning

This article has participated in the Haowen Convening Order activity, click to view: Back-end, big front-end dual-track submissions, 20,000 yuan prize pool waiting for you to challenge! At the beginning of the year, I wrote an article about the use of CameraX . I helped some friends and received some suggestions. It's time to learn about Huawei recentlyScanKitWith excellent performance in the scan code scenario, I decided to integrate the program and make some functional improvements. The demo I

... Bryson
schedule 16 min read
coder_life

Redis master-slave replication and cluster configuration

Source blog.csdn.net/u011204847/... \ The benefits of having a master-slave server (the slave server is read-only and can be a master with multiple slaves) 1. When the master server reads and writes, it will transfer to the slave read to reduce the pressure on the server 2. Hot backup master and slave can set passwords, or the passwords can be inconsistent \ Redis master-slave replication Overview 1. The replication function of redis is to support data synchronization between multiple databases.

... Christopher
schedule 19 min read
coder_life

Sokoban games

# include <stdio.h> # include <math.h> # include <string.h> # include <stdlib.h> # include <time.h> int main () { begin: int i,j; char p[ 16 ][ 16 ]; for (i= 0 ; i< 16 ; i++) { for (j = 0 ; j< 16 ; j++) p[i][j]= '' ; } for (i = 0 ; i< 16 ; i++) { p[i][ 15 ] = '#' ; p[i][ 0 ] = '#' ; } for (j = 0 ; j< 16 ; j++) { p[ 0 ][j]= '#' ; p[ 15 ][j]= '#' ; } p[ 5 ][ 3 ] = '#' ; p[ 6 ][ 8 ] = '#' ; p[ 2 ][ 3 ] = '#' ; p[ 8 ][ 12 ] = '#' ; p[ 2 ][ 12 ] = '#' ; p[ 11

... Madison
schedule 7 min read
coder_life

The interview was asked about the http protocol? This article is enough to cover all related issues

blog.csdn.net/qq_35116353... HTTP Hypertext Transfer Protocol http uses connection-oriented TCP as the transport layer protocol. http itself has no connection. Request message CRLF is a request message with  carriage return and line feed    method GET GET /search?hl=en&source=hp&q=domety&aq=f&oq= HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-silverligh

... Abraham
schedule 12 min read
coder_life

Python binding: call C or C++ from Python

Summary: Are you a Python developer with a C or C++ library that you want to use from Python? If so, then the Python binding allows you to call functions and pass data from Python to C or C++, allowing you to take advantage of the advantages of both languages. This article is shared from HUAWEI CLOUD Community " Python Binding: Calling C or C++ from Python | [Grow! Python! ", original author: Yuchuan. Are you a Python developer with a C or C++ library that you want to use from Python? If so, th

... Makayla
schedule 39 min read
coder_life

erlang Internet of Things open source project emqtt download, source code compilation, debugging tools and graphical monitoring related

Official erlang documentation, erlang.org/doc/man/ emq official website: www.emqtt.com/ www.emqx.io/ emq short book: www.jianshu.com/u/9cbcdf094... mqtt debugging tool 1 (websocket is not supported): mqtt.fx mqttfx.jensd.de/index.php www.jensd.de/apps/mqttfx... mqtt debugging tool 2 (websocket is not supported): org.eclipse.paho.ui.app, cross-platform/full platform, recommended www.eclipse.org/paho/compon... mqtt debugging tool 3 (websocket is not supported): qmqtt github.com/emqtt/qmqtt github.

... Asher
schedule 7 min read
dev_tools

UNITY historical version download list

Unity historical version download list The latest version of the Unity2019 series: Unity 2019.1.3 The latest version of the Unity2018 series: Unity 2018.4.0 The latest version of the Unity2017 series: Unity 2017.4.27 The latest version of the Unity5.x series: Unity 5.6.7 The latest version of the Unity4.x series: Unity 4.7.2 Unity3 .x series latest version: Unity 3.5.7 Note: Last updated 2019.05.22   [UnityHub ] For Mac: public-cdn.cloud.unity3d.com/hub/nuo/Uni... For Win: public-cdn.cloud.

... Matthew
schedule 26 min read
dev_tools

16. Promise Object (Introduction to ES6-Ruan Yifeng)

The meaning of Promise Promise is a solution for asynchronous programming, which is more reasonable and more powerful than traditional solutions callback functions and events. It was first proposed and implemented by the community. ES6 wrote it into the language standard, unified usage, and provided nativelyPromiseObject. So-calledPromise, Simply put, it is a container that holds the result of an event (usually an asynchronous operation) that will end in the future. Syntactically speaking, a Pro

... Isaiah
schedule 32 min read
dev_tools

Transwarp TDH8.0 must read 2: 10 data models are fully supported, and the future belongs to a multi-model big data platform

introduction: Transwarp released version 8.0 of Transwarp's fast big data platform TDH in March 2021. I believe many users are very interested in this product. This series of articles will introduce you to the new features and technological innovations of TDH8.0 one by one. Help enterprise-level data platform users have a more comprehensive and in-depth understanding of cutting-edge big data technology, and better technology selection. You can also see our videos on Transwarp's official video ac

... Marcus
schedule 15 min read
dev_tools

JS Event Loop

JavaScript JavaScript DOM JavaScript DOM synchronous asynchronous JavaScript JavaScript task queue (task) (task source) (task) setTimeout Promise API Event Loop 1.1:JS 1.1:JS 1.1:JS heap stack API click load done Event Loop All synchronization tasks are executed on the main thread, forming an execution stack . Outside the main thread, there will be a task queue. Once the asynchronous task has a running result, an event is placed in the task queue. When all synchronization tasks in the execution

... Makayla
schedule 13 min read
dev_tools

Parachain test is coming, Polkadot and Patract talk about slot auction

The Kusama Parachain auction of Polkadot's advance network is about to begin, and Polkadot's ecology will also usher in an outbreak. To this end, the vernacular blockchain has joined hands with many excellent Polkadot projects to gather the vernacular masters to say that there is an online AMA every day to discuss the story behind Polkadot and its future direction. Left: Guests Helena, Head of Business and Operations, Parity Asia Right: Guests Patract CMO Santry Huang Middle: Host | Vernacular B

... Benjamin
schedule 20 min read
programming

dva+webpack+ts+eslint project construction

Dva configuration Install Dva 1. Install dva-cli globally: npm install dva-cli -g duplicated code 2. Initialize the dva project: Installation method one: dva new myapp. Installation method 2: Run dva init in the created project folder. Install webpack Install webpack webpack-cli webpack-dev-server Note: The downloaded version of webpack webpack-cli needs to be consistent with the global version to prevent unnecessary errors. The webpack-dev-server version cannot be downloaded too high, otherwise

... Jameson
schedule 21 min read
programming

hive study notes ten: user-defined aggregate function (UDAF)

Welcome to my GitHub Here is a classification and summary of all original Xinchen (including supporting source code): github.com/zq2599/blog... Overview of this article This article is the tenth chapter of "Hive Study Notes". The previous article has practiced the development, deployment, and use of UDF. That UDF is suitable for one-in-one-out scenarios, such as changing the specified field of each record to uppercase; In addition to one input and one output, multiple input and one output are al

... Daniel
schedule 10 min read
programming

(7) EurekaServer-processing client heartbeat lease renewal requests

0. Preface springboot version: 2.1.9.RELEASE springcloud version: Greenwich.SR4 1. InstanceResource The server processes the client's heartbeat lease renewal request in the renewLease() method of the InstanceResource class // InstanceResource.class public Response renewLease ( @HeaderParam(PeerEurekaNode.HEADER_REPLICATION) String isReplication, @QueryParam("overriddenstatus") String overriddenStatus, @QueryParam("status") String status, @QueryParam("lastDirtyTimestamp") String lastDirtyTimestam

... Jason
schedule 16 min read
programming

Remember the landing of qiankun's micro front-end multi-application scenarios | Byte recruits people! !

Business background Look at the results, a complete online demo project addresses point I see The Dapeng map visualization project is a large-screen application integrating map application and view application . The view application can be switched through the head menu . The view application includes the content display area on the left and right sides. The view application can communicate and interact with the map application. . The project is built using Vue3 . The core problem is that if the

... Luis
schedule 23 min read
programming

MySQL database-MySql single table & constraints & transactions

DQL operation sheet Create database, copy table Create a new database db2 CREATE DATABASE db2 CHARACTER SET utf8; copy code Copy the emp table in the db1 database to the current db2 database Sort Through the ORDER BY clause, you can sort the results of the query (sorting is only a display effect and will not affect the real data) Grammatical structures SELECT field name FROM table [ the WHERE field = value] the ORDER BY field name [ the ASC / DESC ] Copy the code ASC means ascending sort (defaul

... Bryson
schedule 21 min read
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