Recent Posts
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Detailed explanation of how to use Android custom toolbar
This article introduces: How to use the toolbar; Customize Toolbar; Let's take a look at the effect and learn about to…… -
Android solution to prevent multiple response events caused by too fast clicking
Recently, there are some small problems in the development process. For example, a BTN click user may only click once,…… -
Android custom view implements address book alphabetic index (imitating wechat address book)
1、 Effect: we see that the address book of many software has an alphabetic index function on the right, such as wecha…… -
Android customize view to imitate Alipay
There is a function of Alipay on the side of the picture, which is the effect of water ripple after clicking the pictu…… -
Summary of countdown methods for Android implementation
There is often a countdown function in Android development. The following will summarize the common centralized implem…… -
Android minesweeping game example code
Android minesweeping game example Recently, I learned Android application programming and took the time to make a smal…… -
Android implementation of multi touch, free zoom image example code
Knowledge points involved in Android multi touch 1、ScaleGestureDetector 2、OnScaleGestureListener 3、Matrix 4、OnTouc…… -
Simple image upload function example implemented in Java
This article describes a simple image upload function implemented in Java. Share with you for your reference, as follo…… -
Learning tutorial of array basics in Java
number Usually, when we deal with numbers, we use the original data types, such as byte, int, long, double, etc. Examp…… -
How mybatis uses the date localdate and localdatetime in Java 8
preface I believe everyone should know that Java can be used in entity sql. Date、java. sql. Timestamp、java. util. Da…… -
Mybatis implements addition, deletion, modification and query_ Power node Java college sorting
Other tools or technologies required: Project management tool: maven Test run tool: JUnit Database: Derby Maven Depend…… -
Verification method of JAVA Chinese and special characters
This example shares the specific code of Android Jiugongge picture display for your reference. The specific contents a…… -
The method of displaying the current time in Java pictures is original
Graphics2d class provides the drawstring () method, which can realize the text drawing of graphics context, so as to r…… -
One way communication of Java network programming foundation
In network programming, if only the client is required to send messages to the server, and the server is not required …… -
Java technology to upload and download files to FTP server (complete)
See the following for details: For applications that use files to interact with data, using FTP server is a good choic…… -
Java calls the setstroke () method to set the syntax of the stroke attribute
By default, the stroke attribute used by the graphics drawing class is a square with a thickness of 1 pixel, while the…… -
Summary and analysis based on reflection in Java
At the beginning of learning Java, it was really difficult to understand what reflection was Some books, even very cla…… -
The client program of java socket communication (I) sends and receives data
Network application is divided into client and server, and socket class is a Java class responsible for handling clien…… -
Detailed introduction to the basis of Java annotation
Detailed introduction to the basis of Java annotation preface Annotation is a very popular supplement introduced by Ja…… -
Understanding Java garbage collection
When the program creates objects, arrays and other reference type entities, the system will allocate a piece of memory…… -
Summary of four methods of Java map traversal
Four methods of map traversal in Java are sorted out: import java. util. HashMap; import java. util. Iterator; import …… -
Java read file and get phone number function based on regular expression
This paper describes the functions of Java reading files and obtaining phone numbers based on regular expressions. Sha…… -
Singleton pattern analysis of Java design pattern
Singleton mode is the simplest but also very important design mode. Its advantages are as follows: 1. When classes wit…… -
Addition, deletion and modification of mybatis tutorial_ Power node Java college sorting
select A select element is very simple. For example: This statement is called 'getstudent'. It has a string parameter …… -
Mybatis dynamic SQL and cache mechanism example explanation
Sometimes it is necessary to dynamically splice SQL statements according to the parameters to be queried Common labels…… -
The function of parsing Java static keyword from memory address
Differences between static member variables and non static member variables Take the following example as an example U…… -
How Java uses endorsed to override the classes provided by JDK
preface Before, we analyzed Tomcat Catalina When parsing the bat principle, we found that - DJava. Java exists in the …… -
On the construction methods of labels and jlabel classes
The label has a jlabel class definition, and its parent class is jcommonet class. Labels can display a line of read-on…… -
IOS development (APNs) remote push implementation code with certificate and real machine debugging
Remote push notification What is remote push notification As the name suggests, it is a remote push service for notifi…… -
Detailed explanation of spring boot websocket integration and nginx configuration
preface This article mainly introduces the spring boot websocket integration and nginx configuration for your referenc…… -
Java socket programming example (III) – TCP server thread pool
1、 Service end return service class: 2、 Each client request starts a new thread's TCP server: 3、 TCP server with fi…… -
Explain in detail the differences between comparable and comparator interfaces in Java
Explain in detail the differences between comparable and comparator interfaces in Java This article will analyze the d……