71 - advertising management module and user management module of the project
Advertising management module and user management module of the project
In the last blog (Chapter 70 blog), we completed the course management module, and then we completed the advertising management module and user management module
Advertising management module:
Realize the following functions:
Advertising space list query
Add ad space ...
Posted by amrigo on Thu, 19 May 2022 22:51:48 +0300
Build a picture server based on docker container
Recently, there is a need to store pictures in the server, so I am going to build my own picture server, based on the centos system, and install nginx for mapping. Before starting, it is recommended to update the yum source of centos
# update yum source
yum update
Create an image
It’s time to build your own server. I don&r ...
Posted by ShaileshD on Thu, 19 May 2022 22:43:21 +0300
Arthas realizes a CPU troubleshooting and code hot update
Author he Bo
[the official community of Arthas is holding an essay solicitation activity. You will get a prize if you participate~ Click Submit]
1. Preface
background
Online code often takes up too much CPU. According to past experience, I will use the top instruction and further use jstack to check the specific information for problem troubles ...
Posted by tech0925 on Thu, 19 May 2022 22:04:54 +0300
JAVA beginner notes
Simple understanding of the basic rules and syntax of java
Learning website: Java tutorial | rookie tutorial
Beginner Java
Java language is a pure object-oriented programming language
Java (Standard Edition)
JDK,JRE,JVM
JDK : Java Development Kit
JRE : Java Runtime Environment
JVM : JAVA Virtual Machine
JDK Download
https://www.oracle.com/jav ...
Posted by Eratimus on Thu, 19 May 2022 21:18:15 +0300
Data Structures – Graphs (Depth First Traversal and Breadth First Traversal) (Java)
Data Structures – Graphs (Depth First Traversal and Breadth First Traversal) (Java)
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Blog Description
The information involved in the article comes from the Internet and personal summary, which is intended to summarize personal learning and experience. If there is any infringement, please contact me to delete it, thank ...
Posted by QSDragon on Thu, 19 May 2022 20:13:15 +0300
Is Java value passing or reference passing?
In the Java} language, the essence is only value passing, but no reference passing. See the text for explanation and proof.
When it comes to value passing and reference passing, we have to mention two concepts: value type and reference type.
1, Value type
In a popular sense, the so-called value type refers to the eight basic data types in J ...
Posted by invarbrass on Thu, 19 May 2022 19:52:57 +0300
JavaSE [notes] [object oriented]
Chapter 4 object oriented (Part I)
Process oriented and object oriented
What is the "Object-Oriented" programming idea?
First, explain "thought". First ask you a question: what kind of person do you want to be? Maybe you will answer: I want to be a good person, honor my parents, respect my elders, care for my relatives and ...
Posted by jtmathome on Thu, 19 May 2022 17:36:01 +0300
elasticsearch simple usage summary
elasticsearch simple usage summary
1. Preparation for ELK installation
1.1 ELK download address
ElasticSearch: https://mirrors.huaweicloud.com/elasticsearch/?C=N&O=D
logstash: https://mirrors.huaweicloud.com/logstash/?C=N&O=D
The visual interface elasticsearch head https://github.com/mobz/elasticsearch-head
kibana: https://mirrors.huawe ...
Posted by anwoke8204 on Thu, 19 May 2022 14:41:04 +0300
Realize the weather forecast App by hand -- switch the city to manual update + automatic refresh of background service
Manual update and background service automatic refresh and switch cities
Update weather manually
It is realized by pull-down refresh
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/swipe_refresh">
<ScrollView
andro ...
Posted by bradleybebad on Thu, 19 May 2022 13:49:32 +0300
In Java, the use of BufferedReader and BufferedWriter
Buffer stream: (improve the efficiency of reading and writing)
BufferedReader, BufferedWriter: used to process characters
The buffer stream acts on the node stream, so the object of the node stream is passed to the buffer stream as a parameter
Methods in BufferedReader:
read(): read word by word
read(char[] ch) reads the length of an array a ...
Posted by whitsey on Thu, 19 May 2022 12:03:45 +0300