Java
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Spring cloud retry mechanism and retry summary of each component
Spring cloud retry mechanism configuration First of all, the retry here is not the retry after an error is reported, b…… -
Java summary on calling methods
Below, we have sorted and summarized the calling methods according to Java, and tested the relevant calling codes to l…… -
Java application open source framework to realize simple web search engine
introduction Using the open source library of Java, write a search engine that can crawl the content of a website. And…… -
Definition and usage example of image high-quality scaling class implemented in Java
This article describes the definition and usage of image high-quality scaling class implemented in Java. Share with yo…… -
Java programming a * algorithm complete code
preface A * search algorithm is commonly known as A-star algorithm. This is a path with multiple nodes on the graphics…… -
Java programming scanner class usage example
When writing programs in eclipse, if our variables need to be entered manually, we can use the scanner class. Scanner …… -
Java programming and detailed explanation of path compression code of search set
First, let's look at two images of path compression: Union find sets is a very delicate and practical data structure, …… -
Detailed explanation of MVC module code in spring
The controller of spring MVC is used to process user requests. Controller is equivalent to action in struts 1. Their i…… -
Java programming WebService specifies timeout code details
Web service is a remote calling technology across programming languages and operating system platforms The so-called r…… -
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…… -
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…… -
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…… -
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…… -
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…… -
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…… -
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…… -
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…… -
Detailed explanation of generic instances in Java
I. Introduction: In Java se 1 5. Before that, in the absence of generics, the "arbitrary" of parameters was realized b…… -
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 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…… -
Detailed explanation of spring boot Linux startup mode
Foreground start Background start Difference: the foreground starts Ctrl + C to close the program, while the backgroun…… -
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 …… -
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:…… -
Detailed explanation of the front and rear end separation and consolidation scheme of spring boot + Vue
The combination of springboot and Vue mainly includes the following two schemes on the network: 1. [not recommended] t…… -
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…… -
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…… -
Simple verification code generation java version
We all know the verification code. I don't need to say more about its role. If it is not clear, please refer to the ex…… -
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…… -
Servlet gets the method that the parameters in the Ajax post request are transmitted in the form of form data and request payload
This paper describes the method of servlet obtaining the parameters in Ajax post request and transmitting them in the …… -
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…… -
Example of linear time selection operation based on divide and conquer algorithm in Java
This paper describes the linear time selection operation implemented by Java based on divide and conquer algorithm. Sh…… -
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……