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Introduction and use of MyBatis framework (the children next door will talk about it) -- Basic

1: Overview        &nb...
10:11 3 December 2021

Operating system -- process synchronization

Experiment 2 process synchronization 1, Purpose of the experiment: Master basic synchronization algorithms and understan...
9:10 3 December 2021

Example analysis of Flutter 2.0 routing at the 18th bend of mountain road

preface Last Flutter 2.0's routing confused me The routing of fluent 2.0 is introduced. After reading the introduction, ...
9:06 3 December 2021

OpenCV computer vision -- image threshold processing and adaptive threshold Otsu

Threshold processing refers to eliminating pixels in the image that are higher or lower than the threshold. Image thresh...
9:03 3 December 2021

CGBTN2111-DAY04 summary review

DAY04 review 1 for loop Format: public static void main(String[] args) { for(Start condition; Cycle condition ; Change c...
7:15 3 December 2021

nginx - various strange rewrite requirements

This document documents some of the rewrite requirements I encountered in a production environment. Some conventional re...
6:46 3 December 2021

Go language learning missing finding Day1

Author: Regan YueSource: Hang Seng LIGHT cloud communityGo language learning missing finding Day1Zero. PrefaceBecause I ...
6:45 3 December 2021

Part 42 - management of JNI references

Java services will be used in local functions, which can be obtained by calling the functions encapsulated in JNIEnv. We...
6:12 3 December 2021

[Yugong series] December 2021: object oriented design principles - Interface aggregation principle or ISP

Article catalogpreface1, Interface Segregation Principle or ISP2, Use stepsExamplesummarypreface ...
4:02 3 December 2021

Use the sed command to delete specific lines of the file efficiently

ed is short for Stream Editor, which is used in Linux Basic text conversion is an important part of file operation comma...
2:56 3 December 2021

[Python learning] Python function

No parameter, no return function def test1(): print("I am a parameterless function with no return value") test1() Funct...
0:08 3 December 2021

Linux PATH, PATH variable $PATH

Path problem under Linux Environment configur...
23:47 2 December 2021

[JavaScript] day 4 [for double loop] [function]

Double for loop Dual for loop overview ...
23:37 2 December 2021

Nginx Windows detailed installation and deployment tutorial

1, Introduction to Nginx Nginx (engine x) is ...
21:40 2 December 2021

In order not to get up early, clock in and sleep late, I sacrificed selenium

preface Every day I fantasize about how wonderful life would be if I could get money without going to work! It's not win...
21:19 2 December 2021

vue basic grammar - Crazy God

1,v-bind We have successfully created the first Vue application! It looks very similar to rendering a string template, b...
19:13 2 December 2021

Java abstract classes and interfaces

First, before we understand abstract classes and interfaces, we need to know what inheritance is? What is rewriting? ...
18:52 2 December 2021

Experiment 3 transfer instruction jump principle and its simple application programming

Experimental task 1 Using any text editor, enter the 8086 assembler source code task1.asm. task1.asm 1 assume cs:code,...
17:58 2 December 2021

[class and module] class and type

Classes and types JavaScript defines a small ...
17:53 2 December 2021

Dockerfile image hierarchy

1, Federated file system (UnionFS) UnionFS (Federated file system) is a layered, lightweight and high-performance file s...
17:47 2 December 2021

Webpack -- common processing of CSS, html and js code

preface This paper summarizes the common proc...
15:59 2 December 2021

sudoer in centos system

1. Introduction to sudoer Users in centos systems can be divided into two categories: Super User -- root Ordinary User-...
14:26 2 December 2021

Spring registers bean s through annotations + spring lifecycle

The spring container registers bean s through annotations @ComponentScan + Component annotation (@ Component/@Service.....
14:01 2 December 2021

spring security authorization (custom) and source tracking

spring security authorization (custom) and source tracking ...
13:29 2 December 2021

Elasticsearch Cluster Configuration Password (Traditional & Docker)

         After adding password protection to the minimum security configuration,...
12:42 2 December 2021

Data dimensionality reduction and visualization -- t-SNE

Data dimensionality reduction and visualization -- t-SNE   t-SNE is the best data dimensionality reduction and visu...
23:53 1 December 2021

Common types of TypeScript

The official documents of TypeScript have been updated, but the Chinese documents I can find are still in older versions...
23:10 1 December 2021

SeetaFace2 Android platform compilation

SeetaFace2 Android platform compilation Welco...
22:02 1 December 2021

[raspberry pie] Python development industrial computer emergency stop design

background We used raspberry pie to replace PLC and host computer in some industrial products, and introduced AI and mac...
21:56 1 December 2021