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Article

Learning design mode to package express (decorator mode)

Decorator mode 1. Basic introduction Dynamically attach new functions to objects. In terms of function extension, it ...
3:00 26 June 2020
Article

Class notes: Android UI controls

Common UI controls: TextView: <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" a...
2:40 26 June 2020
Article

My little goal

Made a project, maven+IDEA+MySQL Because of f...
2:24 26 June 2020
Article

Multithreading - thread pool

Application of pooling Technology: thread pool, database connection pool, http connection pool, etc. ...
1:59 26 June 2020
Article

Integrating SSM's Demo

Article catalog 1. Version selection 2. Using maven to create a project (project structure) image-20200626115714873 3.p...
1:06 26 June 2020
Article

RabbitMQ and SpringBoot integration

To integrate RabbitMQ with SpringBoot, first we need to create a new SpringBoot project, which is divided into two sub m...
0:47 26 June 2020
Article

Building recommendation system based on collaborative filtering of users

1. Overview Before that, I introduced how to ...
0:30 26 June 2020
Article

Talk Android together (247th time: data transfer between fragments in Android 5)

Hello, ladies and gentlemen, last time we talked about the example of data transfer between fragments in Android, this t...
23:51 25 June 2020
Article

IBM Cloud Kubernetes Service - k8s external cloud storage performance test

There are many ways to store k8s data: emptyDir (temporary storage), hostpath (semi persistent storage), persistent stor...
23:31 25 June 2020
Article

Linux system running analysis tool - Summary of the use of the sarcommand

catalog sar introduction sar usage sar installation and...
23:21 25 June 2020
Article

Android build process - Part 2

Android build process - Part 2 Pre operation task list How to view a task class Task1: checkDebugClasspath 1. input/ou...
22:42 25 June 2020
Article

Notes on Java learning

Notes on Java introduction 2 - Hao bin abstract class Abstract method abstract class Final keyword Final decorates t...
22:40 25 June 2020
Article

Simulation of alarm mode control for Proteus sensor + gas concentration detection

catalog Simulation of alarm mode control for Proteus sensor + gas concentration detection 1 understanding of experim...
21:57 25 June 2020
Article

Least Squares for Solving Linear Regression Equations

Preface Write this little thing because he was driven mad by his math homework (Big Brother Assassination List) The prin...
20:53 25 June 2020
Article

Source code analysis of Zhiyu dubbo

dubbo source code analysis file dubbo load profile dubbo service provision 1. Verify configuration information 2. Crea...
7:08 25 June 2020
Article

CopyOnWriteArrayList special points, compare ArrayList

CopyOnWriteArrayList special points, compare ArrayList ArrayList can use the iterator's remove method to delete element...
7:03 25 June 2020
Article

Docker entry basic command

Article catalog 1, Overview 1. What is Docker 2. Differences between container technology and virtual machine technolo...
1:24 25 June 2020
Article

Virtual machine - TEST compiler (4)

catalog 1 virtual machine 1.1 function 1.2 characteristics 1.3 design ideas 2 complete code 3 Summary Lexical anal...
0:43 25 June 2020
Article

Selenium+Tesseract cracking login verification code

preface The type of login verification code I cracked is the type of mathematical formula, i.e... does it look simple, b...
0:25 25 June 2020
Article

Attack and defense world XCTF reverse advanced area (continuous update)

Words written in the front It's still a proce...
0:18 25 June 2020
Article

Introduction and use of [Java] LocalDate/LocalTime/LocalDateTime class

background Briefly describe the background of these new date API s in JDK 1.8. As early as in the era of JDK 1.0, JDK in...
0:06 25 June 2020
Article

js asynchronous execution order

Reference article: js asynchronous execution order 1. The execution order of JS is synchronous first and then asynch...
23:55 24 June 2020
Article

Linux system security management

Article catalog 1, Account security control 1.1: basic measures for account security 1.1.1: system account cleaning 1...
23:16 24 June 2020
Article

Spring 7 -- developing spring based on annotation

Developing spring based on annotation There are two forms of spring IOC containers: (1) XML configuration file: applica...
23:02 24 June 2020
Article

Property Injection

Injection in springboot Basic Property Injection @Value Object Mode Injection @ConfigurationProperties Comparison of tw...
22:41 24 June 2020
Article

Servlet learning notes

Three configuration modes of Servlet Mode 1: precise configuration Must be in exact path, plus / SOS to access For exa...
22:34 24 June 2020
Article

Hexo +gitee blogging for the most complete teaching

Hexo is a fast, concise and efficient blog framework.Hexo Use Markdown (or other rendering engine) parses the article an...
22:26 24 June 2020
Article

Deep analysis of Map source code

preface map set is the set of key value ...
22:22 24 June 2020
Article

SQL Mathematical Functions, String Functions for Programmers

Article Directory Preface 1. Mathematical Functions 1.1 ABS 1.2 CEIL 1.3 FLOOR 1.4 MOD 1.5 RAND 1.6 ROUND 1.7 TRUNCATE...
12:55 24 June 2020
Article

New features of Java syntax_ java5 to java11

1, Foreword I never thought, it's 0202, Sun i...
4:07 24 June 2020