Recent Posts
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Transfer the jar package of springboot to war and put it into Tomcat
1. Modify the POM file and change the packaging form to war war 2. Remove the embedded Tomcat module, but we ne…… -
Springboot reads the properties custom configuration file
Why choose to update today, because it's on a whim. Don't ask why. Asking is that I forgot Then I spent more time toda…… -
Java daily side (Part1: computer network) [19 / 11 / 13]
1.1 introduction to http HTTP protocol, namely hypertext transfer protocol, belongs to the application layer protocol.…… -
Springboot publishes the WebService service and invokes (hutool yyds)
preface Recently, the company's projects need to connect with third-party services. This service provider uses the int…… -
IO related demo
I reviewed IO related knowledge these days Just for record, a good memory is better than a bad pen Please correct any …… -
Air quality management system + SSM (Spring + spring MVC + mybatis) + summary of front and rear end separation
1. Directory structure: 2. Points needing attention 2.1 create a new one under web-info 2.1. 1 springMVC-servlet. xml …… -
Springboot “hot” deployment solution
There are two ways of spring boot hot deployment 1. Springloader plug-in Disadvantages: Java code does deployment proc…… -
Developer scheduling software
Developer scheduling software After I finished setting up in school these days, I found a simple array l class project…… -
Problems encountered in deploying the project to Linux
1. Local Navicat for MySQL cannot connect to the server (CentOS 7 x86_64 BBR) 1045 error: Solution steps: 1. Check whe…… -
Web calculator based on servlet + JSP
Web calculator based on servlet + JSP This time, the boss assigned us a task to review the jump of web pages A big cop…… -
Spring boot is packaged into docker (idea + traditional method)
1. Mode 1 Remote publishing via idea 1.1 modify docker Service file vim /usr/lib/systemd/system/docker.service 2. Mod…… -
A pattern triggered by a duck — strategy pattern
Pre knowledge: You need to understand the of Java: 1. Packaging 2. Succession 3. Polymorphism 4. Abstraction The first…… -
Getting started with easyexcel
Because Alibaba's easy excel has been used in the project recently, and then go to B After studying at the station, I …… -
Java daily side (Part1: computer network) [19 / 11 / 02]
1.1 difference between RTT and RTO RTT: the time taken from sending a packet to receiving the corresponding ack RTO: r…… -
Getting started with easyexcel
Because Alibaba's easy excel has been used in the project recently, and then go to B After studying at the station, I …… -
Android mobile phone Transformation Server – solve the problem that systemctl cannot be used under chroot
For this problem, I also met for the first time. No in-depth study. If there are any problems, please correct them. Wh…… -
Android mobile Transformation Server – basic environment configuration (centos7 arm32)
Note: This article is configured for centos7 of arm32. Do not try other systems or different architectures. 1. First, …… -
New features of material design in Android 5.0
Material design needs to be used in recent projects. The following common controls are sorted out for memory. 1、 Snac…… -
Definition and application of application permission of Android system programming introduction series
When saving the data in the application as a file locally, it was mentioned that the application needs to apply for th…… -
Application data storage database of Android system programming introduction series
The previous article has introduced how to use SharedPreferences to store lightweight data in the form of key value pa…… -
Application data file saving of Android system programming introduction series
The persistence of data in applications, whether simple SharedPreferences or sqlitedatabase, essentially saves data to…… -
Broadcast receiver of Android system programming introduction series realizes inter process communication
In the previous articles on the two important components of Android system, interface activity is responsible for the …… -
Data sharing ContentProvider between applications of Android system programming introduction series
The content provider ContentProvider, together with the interface activity, service and broadcast receiver mentioned a…… -
Simple data saving of key values in the application of Android system programming introduction series
In the process of communication between applications and users, a series of data will be generated and transmitted. So…… -
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Life cycle of activity in Android
︿(￣︶￣)︿ Confucius said: if you review the old and know the new, you can be a teacher. The Analects of Confucius L…… -
Start with the red envelope grabbing plug-in for Android phones
In order to prevent chain theft, this article starts from Yu Guo's blog. Please indicate the source for reprint! Origi…… -
Storage of variables in Java notes
1. Java variable storage domain The storage areas of Java variables are mainly placed in the following places: (1) Reg…… -
A simple small bookkeeping program (Java)
I feel that I have learned a lot of basic knowledge, but I haven't been able to figure out the actual development proc…… -
Elimination of big data by bit mapping
The problem is: m (such as 1 billion) int integers, only n of which have been repeated, read them into memory and dele…… -
Java implementation of Huffman tree
O(∩_∩)O~~ summary I think everyone who has studied data structure must know Huffman. The great God invented the famous…… -
Java implementation of Huffman tree
O(∩_∩)O~~ summary I think everyone who has studied data structure must know Huffman. The great God invented the famous……