Recent Posts
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On the underlying implementation of Java concurrency
The purpose of concurrent programming is to make the program run faster, but the use of concurrency may not make the p…… -
Solution of jar package conflict in the integration of HBase and elasticsearch
Problem background In the data platform, ES and HBase need to be used to build the data query interface for project co…… -
Explain in detail how Maven project in eclipse uses the plug-ins above tomcat7
The Tomcat: run command used in Maven is the version of Tomcat 6 by default, Now you need to use the version above tom…… -
Spring boot + layim + t-io example code for file upload and monitoring user status
preface Today's main content is: pictures in layim messages, uploading and docking of files, monitoring of user status…… -
Java programming to cut files with hash method
Hash is usually translated as "hash" or directly transliterated as "hash", Is to input any length (also known as pre i…… -
Analysis of ArrayList source code in Java programming
I've read a sentence before. It's very good. Someone asked, what's the use of reading the source code? Learn the desig…… -
Java uses POI package to read excel document code sharing
The project needs to analyze EXCEL documents to obtain data, so I found some materials on the Internet and wrote down …… -
Explain the spring aspect and use the parameters passed to the notified method
This article introduces the parameters passed to the notified method in the spring aspect, and shares them with you. T…… -
Example of converting XML document into JSON format data by Java
This article introduces an example of Java converting XML documents into JSON format data, which is shared with you as…… -
Quickly build modern web projects through spring boot + mybatis + redis
background Springboot has become one of the most mainstream java web development frameworks because it provides variou…… -
Spring boot uploads pictures and displays them on the page and summarizes the problems encountered
Recently, in the process of building a website using spring boot, we encountered such a problem: when registering, use…… -
How to modify integercache in Java 9
Before starting the body of this article, let's take a look at the following code: The role of integercache of integer…… -
Java implements Cartesian product algorithm example of unknown dimension set based on recursion and loop
This paper illustrates how Java implements Cartesian product of unknown dimension set based on recursion and loop. Sha…… -
Differences between Android sdkversion and methods of obtaining version information
1. What is the difference between minsdkversion, targetsdkversion, maxsdkversion and compilesdkversion? • minsdkversio…… -
Android imitation millet clock effect
I saw the implementation of Xiaomi clock on a [blog] Android high imitation Xiaomi clock (using camera and matrix to a…… -
Hook realizes Android wechat, unfamiliar street and location simulation (with source code download)
Hook realizes Android wechat, unfamiliar street and location simulation Recently, we need to simulate the location of …… -
Android memory overflow and memory leak
Android memory overflow and memory leak In the interview, some interviewers often ask "do you know what is memory over…… -
A quick solution to the inexplicable lack of androidstudio r files
Today, Android studio reminds me of this... To speed up the construction of gradle, I clicked "update"... After that, …… -
Android custom view circular progress bar control (III)
Continue to practice customizing the view. The circular progress bar control brought this time is similar to the previ…… -
Bottom display effect of Android tabwidget
The tabhost control uses LinearLayout to wrap tabwidget and FrameLayout by default. The layout file is as follows: In …… -
Android imitation Taobao headlines realize the effect of scrolling notification up and down based on textview
Recently, a project needs to realize the up and down scrolling effect of the notice bar, which imitates the headlines …… -
How to correctly understand and use the four startup modes of activity
There are many articles about activity startup mode, but some articles are too simple, while others pay too much atten…… -
A simple method for Android to judge the orientation of camera pictures
When using camera pictures in Android applications, one of the problems that must be considered is the orientation of …… -
Summary of five implementation methods of Android response event onclick method
In the development of Android, onclicklistener for click events has the following four implementation methods, and the…… -
Implementation code of Android step counting function
In this paper, the original step counting project is simplified, and the process service and timing, daemon, database …… -
Picasso extension of Android image loading tool
In this article, let's continue to learn what extensions are provided in Picasso. A good framework must be highly exte…… -
Detailed explanation of messenger principle and basic usage in Android
This blog mainly records the basic principle and usage of messenger in Android. In short, Messenger is actually the wr…… -
Android uses surfaceview to realize the animation effect of rainy weather
The first is the final rendering: First analyze the implementation of a raindrop: After analysis, can you write a clas…… -
Android custom controls implement verification code countdown
Today I'll bring you a new control - Verification Code countdown. Let's see the effect picture first 1 effect demonstr…… -
Android custom Scrollview to achieve enlarged rebound effect example code
1. I just saw a very good user experience in other people's open source projects. The renderings are as follows: 2. Le…… -
Android imitates QQ sideslip to delete listview function example
Requirements: 1. Listview can slide the item to show the delete button. Click the delete button to delete the current …… -
Example of association between Android viewpager and radiogroup implementation
Android viewpager is associated with radiogroup Rendering display Android viewpager and radiogroup implementation Asso……