Concurrency problems caused by a HashSet
I just arrived at the company in the morning and was about to start the day's fishing trip when I received an email from the...
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Category: The back-end
Use of reflection for Laravel source code parsing
January 31, 2024
by Juan Young
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The reflection class of PHP is the opposite of the instantiation object. Instantiation calls methods and members of the enclosing class, while reflection unwraps all...
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Technical Practice # 4 | Reading the Mobile Developer routine – Performance monitoring platform applications
January 31, 2024
by Robert Farrell
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Introduction: Application performance monitoring platform is an important step to help customers improve the quality and stability of application performance. As a mobile developer, I...
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DS data structure extension in PHP
January 31, 2024
by Lisa Lopez
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In the previous article, we looked at some of the more common data structures in DS extensions, but we also left some hints, such as...
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Interpreting the Service Grid 2021: Farewell to architecture “Great Leap Forward” and a hundred schools of Thought contend for technology ecology
January 31, 2024
by Edward Goddard
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This paper will review the 2021 of service grid from the perspectives of community progress, practice implementation, industry standards, technology ecology, etc., to help readers...
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400 questions (is it a Tomcat bug?)
January 31, 2024
by Saanvi Hari
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1. Background To solve the problem of distributed link tracing, we introduced Jaeger to implement OpenTracing. We then wrote a starter for the SpringBoot framework...
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PHP maximum valid parenthesis length (stack dependent) -LeetCode 32
January 31, 2024
by Claudia Chapman
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This is the 19th day of my November update Challenge, and the last Update Challenge 2021. How to find the longest valid (correctly formatted and...
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Hey, phpers, Serverless
January 31, 2024
by 成雅慧
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Summary: PHP is a very large language for the development community with a wide range of applications. Serverless's philosophy and the philosophy of the PHP...
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Impressions series – Basic understanding of disk and memory
January 31, 2024
by 崔志偉
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If you ask about the differences between memory and disk, I'm sure most developers will list one or two. Fact truly so, recently on the...
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Spring sends emails through QQ mailbox
January 31, 2024
by Dishani Sodhi
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This article briefly introduces how to send email via QQ Mailbox with Spring framework support, including simple text, attachments, as well as inline images, HTML...
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Netty series Java NIO core component Selector
January 31, 2024
by Inaaya Barman
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The day arch a pawn, unexpected! Hello, I'm Tong Brother, this is the seventh episode of netty series. In the previous chapter, we learned about...
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Take a day for Java to get started
January 31, 2024
by John Armstrong
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PK creative Spring Festival, I am participating in the "Spring Festival creative submission contest", please see: Spring Festival creative submission Contest. I specifically for those...
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20. Go language about package import must learn 8 knowledge points
January 31, 2024
by Arhaan Chowdhury
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Hi, I'm Mingo. During the period of learning Golang, I wrote detailed study notes and put them in my personal wechat official account "Go Programming...
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This article explains ThreadLocal
January 31, 2024
by Kismat Kant
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ThreadLocal When multiple threads write to the same variable, it is easy to create a thread safety problem. Therefore, it is necessary to use the...
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Through several cases to explain Linux under the awk command!
January 31, 2024
by Eva Barr
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Awk is more complex and difficult to master than grep and sed because it can be used as a programming language. It's hard to get...
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RocketMQ source code interpretation – the same consumer group under different consumer subscriptions
January 31, 2024
by 張承翰
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To clarify the topic, we assume that there is a Producer and two consumers. The Producer sends messages to TOPICA and TOPICB, and the two...
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Evolution and Thinking of Core Java Random Number API (Part 2)
January 31, 2024
by Dale Bishop
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This is the second change since Java 17. The disadvantage of the previous API is that there is no unified interface: Random and SplittableRandom did...
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Audio and video transcoding based on FFMPEG
January 31, 2024
by Jill Singh
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Media video processing tool FFmpeg has very powerful functions including video capture function, video format conversion, video capture, video watermarking, etc. This paper mainly introduces...
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Adapter pattern for design pattern
January 31, 2024
by 李家瑋
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This is the eighth article on design patterns, in which all the design patterns I will encounter are summarized one by one. I will write...
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How to implement Server in GO-Micro
January 31, 2024
by Patricia Russell
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In the next two articles, we will learn about Server and Client in Go-Micro. This article will focus on Server. In Go-Micro, Server is also...
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Haku learned to deploy maven project to nexus private server
January 31, 2024
by 李佩珊
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Setting. XML file: D:\back
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Practical Python3 asynchronous crawler pool (open source)
January 31, 2024
by Chelsea Parrish DDS
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Asynchronous crawler proxy pool, based on Python Asyncio, is designed to take full advantage of Python's asynchronous capabilities. The project uses SANIC, an asynchronous networking...
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The server accepts browser request to response (Tomcat)
January 31, 2024
by Edward Oliver
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Context. XML: The Tomcat server periodically scans this file; Once it is discovered that the file has been modified (the timestamp has changed), the file...
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A brief introduction to the class loading process
January 31, 2024
by 林宜君
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Take you through the entire class loading process, understand the responsibility of each class loader, understand the entire process of class initialization, understand the principle...
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【 algorithm Exercise 31】81. Remove duplicate node — hash table
January 31, 2024
by 高靜宜
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O recommend! Hello, everyone. I'm One. Confused algorithm, rare confused summed up the algorithm brush topic 12 words truth: in persistence, difficult in progress, win...
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Crawler – Data extraction -XPath
January 31, 2024
by Mark Greenwood
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This is the sixth day of my participation in the Gwen Challenge in November. See details of the event: The Last Gwen Challenge in 2021...
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Algorithm application of custom formula calculation
January 31, 2024
by 白詩涵
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The recent business involves a lot of data calculation. The database provides some basic data, and the final target data can be obtained based on...
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Spring Security+OAuth2 focuses on creating enterprise-level authentication and authorization in multiple scenarios
January 31, 2024
by Dr. Roy Pratt
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SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2 介 绍 : SpringSecurity+OAuth2...
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🍃 [Spring Feature] “Technical Principles” introduces the Ant path matching tool component AntPathMatcher in Spring
January 31, 2024
by Nicholas Blake
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Most of the path matching rules in Spring are based on Ant standards. In fact, not just SpringMVC, the entire Spring framework path resolution is...
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How programmers Make Code concise, Four references to Lambda Expressions primer (Part 2)
January 31, 2024
by Marion Johnson
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Lambda expressions can be thought of as objects. The type of a Lambda expression is called the target type. The target type of a Lambda...
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