Category: The back-end

The back-end

Promise – Java asynchronous programming solution

January 31, 2024

by Olivia Black

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Java Promise (GitHub) is the Java implementation version of the Promise A+ specification. Promise A+ is an asynchronous programming solution proposed by the commonJs specification...

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The back-end

Introduction to Multithreading: Step by step approach to the world of multithreading

January 31, 2024

by 邵雅涵

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Modern computers have the ability to perform multiple operations at the same time. Supported by more advanced hardware and smarter operating systems, this feature can...

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The back-end

Learning Java stage 1: Remove duplicate orders, no duplicate emails

January 31, 2024

by Jeffrey Warren

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publicDocumentrepeatBookButton(Contexthandler)throwsException{logger.info("BatchMailmanualcallssyncR

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The back-end

Flip linked lists in groups of K

January 31, 2024

by Ms. Sandra Henderson

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This is the 23rd day of my participation in the Challenge of Revision in November. The details of the event are as follows: The last...

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The back-end

Python | functional programming — map, filter, reduce

January 31, 2024

by Jivin Dasgupta

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This article introduces functional programming. Three major higher-order functions will be introduced in this article, starting with basic examples of functional programming. Map means mapping....

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The back-end

MySQL does not insert repeatedly

January 31, 2024

by Darshit Loyal

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How to implement the record does not exist to insert, does exist to update.

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The back-end

【 Algorithm – Basic – array 】 Delete the duplicate items in the sorted array (multi-language version implementation)

January 31, 2024

by Mr. Matthew Evans

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Give you an ordered array nums, ask you to delete the repeated elements in place, so that each element appears only once, return the deleted...

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The back-end

One Linux command per day (39) : lsof command

January 31, 2024

by Ricky Kerr-Fletcher

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Lsof (List Open Files) is a tool that lists open files in the current system. In A Linux environment, everything exists in the form of...

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The back-end

Advanced JVM memory region for Java development!! Recommended collection

January 31, 2024

by Stephen Little

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One of the most important features of the Java language: cross-platform use is due to the existence of the JVM. If you want to steadily...

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The back-end

Don’t remember the Spring Boot annotation? All 5 types of annotations are here (suggested collection)

January 31, 2024

by Jivika Randhawa

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Annotations are at the heart of Spring Boot. Spring Boot greatly simplifies the setup and development of Spring projects through a variety of composite annotations....

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The back-end

Why configure environment variables?

January 31, 2024

by Samantha Cragg

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Setting environment variables is the first step to do, but why to configure environment variables, and what is used, today Nezha will take you to...

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The back-end

Bytedance’s application performance monitoring helped its Java OOM crash rate drop by 80%

January 31, 2024

by Madison Johnson

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This article will introduce the basic principles and technical details of "Online Java OOM Attribution Scheme based on Hprof Memory Snapshot" from the Java memory...

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The back-end

Go language efficient Web development iii: A practical case study of flexible application of request and Response hierarchical models

January 31, 2024

by 劉怡安

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In article 1 and 2, we matched externally submitted data (such as form data) to the Request layer model by frame binding, and externally displayed...

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The back-end

Boring weekend in Java to write a minesweeper game

January 31, 2024

by Renee Zacharia

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Weekend boring, with Java to write a minesweeper program, say, this should be in school, write will be more fun, after all, their own implementation...

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The back-end

Talk about efficient concurrency control for write multiread

January 31, 2024

by Valerie James

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The problem is simple: to achieve efficient concurrency control of multiple reads per write and multiple reads per write. Apply for two buffers, one is...

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The back-end

Java NIO three roles Channel, Buffer, Selector related parsing

January 31, 2024

by Tina Simpson

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Since JDK 1.4, NIO programming has been supported. Although Netty is used by most people, we still need to know how to implement NIO in...

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The back-end

Chapter 9 Compatibility and package adaptation mode

January 31, 2024

by Aaron Avery

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Wanweixian network as its name, the method in a space superimposed countless dimensions, the use of hyperlink technology, can be free in each dimension shuttle....

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The back-end

Recommend a free online photo tool site

January 31, 2024

by Ritvik Sule

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Address: http://www.img365. For example, batch transfer of pictures to PDF.

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The back-end

[Design Mode] Enjoy yuan mode

January 31, 2024

by Shannon Ibarra

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This paper mainly introduces the concept and usage of share mode, stateful share mode and compound share mode. The share mode is a more complex...

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The back-end

Java Code Performance Tuning (Part 1)

January 31, 2024

by Richard Mcclain

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Strings are an important data type in Java, and we use them in most cases. In the long evolution of the Java language, developers have...

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The back-end

334. Increasing triadic subsequences: An application of greedy solutions to the longest ascending subsequence (LIS) problem

January 31, 2024

by Michele Bennett

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This is a sequence of 334. Increasing triplets in LeetCode. The difficulty is medium. Tag: "LIS", "longest ascending subsequence", "greedy", "dichotomous" give you an array...

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The back-end

For a moment vert. x for a moment

January 31, 2024

by 張怡安

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The open source vert. x is not really a framework, but rather a toolset with an "asynchronous non-blocking" programming model at its core. The "asynchronous...

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The back-end

Leetcode – Finds the median of two positive ordinal groups

January 31, 2024

by 余志豪

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4. https://leetcode-cn. Given two positively ordered (from small to large) arrays of size m and n, nums1 and nums2. Please find and return the median...

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The back-end

Go language efficient Web development ii: How to elegantly hide data fields

January 31, 2024

by Michael Hart

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Article id, article title, article picture, /articles/id

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The back-end

How to build a micro-service system based on Spring Cloud Alibaba?

January 31, 2024

by Miraan Lad

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This article is based on the author's "Cloud native Landing practice of handheld education" shared at the 2020 Cloud Native Microservices Conference. This article mainly...

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The back-end

Go language Efficient Web Development five: Transforming Procedural Code, Step by step (Step two)

January 31, 2024

by Tamara Foster

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Requirements scenario Business requirements source code link code implementation view code so far looks perfect, good job! Prefect! But is that really the case? Prepare...

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The back-end

Xiaobai builds local NPM private server based on Nexus

January 31, 2024

by Sarah Barrett

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preface When we run the front-end projects, often at the time of dependency resolution will add a parameter NPM install - source of registry=https://registry.npm.taobao.org will...

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The back-end

Technology of dry goods | ToB business scenario test automation of exploration and practice

January 31, 2024

by 何宗翰

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Complexity of background Business scenarios As the number of scenarios for b-end solution delivery increases, version iteration is required. Single-terminal platform automation has been unable...

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The back-end

Netty combat PDF

January 31, 2024

by Katherine Burgess

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https://share.weiyun.com/5gXoMyF https://share.weiyun.com/5gXoMyF

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The back-end

“MVC Container” takes you to the core process and how it works without looking at the source code

January 31, 2024

by Cameron Buchanan

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We have already written a lot of questions about the implementation principle and core process of SpringMVC, and there is no point in introducing it...

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