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Android realizes the purchase suspension effect of meituan and public comments (Scrollview rolling monitoring)
With the rapid development of mobile Internet, it has been closely related to our life. Many people can be seen in the…… -
Android calendar control sample code
What you do is a hotel project, you can choose the date of check-in and departure. Declare that in order to save troub…… -
Android App implements three ways to monitor soft keyboard keys
preface: On Android phones, we sometimes encounter listening to the phone's soft keyboard keys. For example, after ent…… -
Function implementation of drag bar and star evaluation bar of Android advanced interface component
One drag bar Android phone volume settings are given a drag bar, so that users can drag the slider to set. Here we int…… -
Usage based on java files class and paths class (detailed explanation)
Great changes have taken place in file IO in Java 7, and many new classes have been introduced: ...... Wait, to replac…… -
Problems and solutions of time zone conversion to daylight saving time based on Java
I Preparation knowledge 1.America/New_ The daylight saving time in York is as follows: left not right 2016-3-13,02:00:…… -
Java implementation of scheduled tasks in Web Applications (example explanation)
Scheduled task is the function of specifying a future time range to execute a certain task. In current web application…… -
Java serial communication implementation process example
1. Download the 64 bit rxtx for Java link: http://fizzed.com/oss/rxtx-for-java 2. Unzip the downloaded package and put…… -
Code example of Kruskal algorithm based on undirected weighted graph in Java language
The so-called weighted graph means that each edge in the graph will have a corresponding value or group of values. Usu…… -
Example of ticket selling in Java multithreaded window
This paper introduces two ways to realize multi window ticket selling by multithreading, which are synchronized and lo…… -
Java programming implementation of user based collaborative filtering recommendation algorithm code example
Collaborative filtering is simply to use the preferences of a group with similar interests and common experience to re…… -
Detailed explanation of preflight request and cross domain problems in spring security
Spring Security Spring security is a security framework that can provide a comprehensive security access control solut…… -
Java extracts code examples of the same and different elements in 2 collections
The sample code implementation shared in this article extracts the same and different elements in two collections Here…… -
An example analysis of the longest common subsequence problem (LCS) of Java algorithm
This paper describes the longest common subsequence problem (LCS) of Java algorithm. Share with you for your reference…… -
Understand session in Java
Let's take a look at a better description of session: A session is a session that can save user information without cl…… -
Java / Web calling Hadoop for MapReduce example code
See this article for details of Hadoop environment construction https://www.oudahe.com/p/42834/ 。 Source code: https:…… -
An instance of a Java parent thread (or main thread) waiting for all child threads to exit
Examples are as follows: The first is the implementation I wrote casually, which is a little rough. The second is a cl…… -
Very easy to understand java application performance tuning skills sharing
Most developers take it for granted that performance optimization is complex and requires a lot of experience and know…… -
Java Memory Model JMM detailed explanation
JAVA memory model, abbreviated as JMM, is a unified guarantee of a series of Java virtual machine platforms to the mem…… -
In depth understanding of Java built-in locks (synchronized) and explicit locks (reentrant lock)
Synchronized and reentrantlock In multithreaded programming, we use locks when the code needs to be synchronized. Java…… -
No such file or directory when exporting excel from poi
Scene reproduction Apache POI Linux Tomcat As shown above, in the Linux + Tomcat environment, when exporting excel usi…… -
Java thread deadlock code example
Deadlock is an error at the operating system level. It is the abbreviation of process deadlock. It was first proposed …… -
App backend session information management instance imitating J2EE session mechanism
This article only provides ideas and does not provide specific and complete implementation (bloggers are too lazy to s…… -
Java image color scale adjustment and brightness adjustment code example
I don't know much about the content of java image processing, and my words are simple. Please forgive me. Java to achi…… -
Code example of dense graph represented by adjacency matrix in Java programming
We know that to represent nodes, we can use a one-dimensional array. However, for the relationship between nodes, we c…… -
The spring boot application realizes the process of building, running and publishing through docker
1. Docker introduction Docker is an open source application container engine, which allows developers to package their…… -
Java programming depth first traversal and connected component code example
Depth first traversal Depth first traversal is similar to a person walking a maze: As shown in the figure, select an e…… -
70 lines of Java code to realize deep neural network algorithm sharing
For the popular in-depth learning, it is necessary to maintain the learning spirit - programmers, especially architect…… -
Complete example of weight random algorithm implemented in Java language
preface Now apps are springing up, whizzing out. Experienced, inexperienced, qualified and unqualified people want to …… -
Error unsupported major when starting Tomcat Solution to minor version XXX
Recently, the project updated the JDK from 1.7 to 1.8. After downloading and installing the new JDK, when compiling an…… -
Example of filtering sensitive words and advertising words by DFA algorithm in Java
1、 Foreword The development often needs to deal with the submission of some words from users, so it involves the func…… -
Example analysis of Java matrix multiplication problem (dynamic programming) algorithm
This paper describes the Java matrix multiplication problem (dynamic programming) algorithm. Share with you for your r……