Category: The back-end

The back-end

Design patterns – Bridging patterns and applications

January 31, 2024

by Dr. Kelly Bailey

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Before we look at bridging patterns, let's try to understand what this name means. "Bridge Design Pattern" refers to connecting references. In GoF's Book Design...

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The back-end

Go language package management, micro ridicule

January 31, 2024

by David Gonzalez

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This is a half-joke post after stepping on the official package manager, Go dep (harmless, just watch it :). The "package manager" problem of Go...

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The back-end

How do I use AWK to delete duplicate lines from a file

January 31, 2024

by Melissa Hunter

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Suppose you have a text file and you need to delete all the duplicate lines. This script maintains an associative array with the index (key)...

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The back-end

Write a reptile with Golang (4) – Use Soup

January 31, 2024

by 李龍

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Python crawler engineers have a commonly used library BeautifulSoup to extract data, while Golang has a corresponding library soup. Since I prefer Python to write...

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The back-end

ZX writes bash scripts in JavaScript

January 31, 2024

by Sarah Carter

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Background During this period, I was responsible for the production of project deployment upgrade package, so I have learned shell script writing, but I am...

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The back-end

[Spark Best Practices] SparkStreaming application in Microsoft Bing search scale

January 31, 2024

by Jayesh Bava

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Microsoft's Bing search scale Spark best practice 】 【 SparkStreaming application of http://click.aliyun.com/m/10276/

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The back-end

MySQL transactions and locks

January 31, 2024

by Valerie Bishop

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----ACID A transaction is a logical processing unit consisting of a set of SQL statements with four properties, often referred to simply as the ACID...

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The back-end

Remember a SQL optimization

January 31, 2024

by Aayush Borra

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Weixin: dodba

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The back-end

(LeetCode 707) (LeetCode 707) (LeetCode 707)

January 31, 2024

by Patricia Meyer

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We're going to start today with linked lists, single linked lists in this lecture, and double linked lists in the next lecture. Each node in...

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The back-end

ILogtail collects SLS using the starter -k8S environment log

January 31, 2024

by Patrick Wilson

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Description: iLogtail is the collection part of the simple log service, also known as SLS, in Ali Cloud. It is used for telemetry data collection,...

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The back-end

【DDD】 Identify cooperative relationships between bounded contexts

January 31, 2024

by Mr. Michael Franklin II

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When thinking about collaborative relationships between bounded contexts, first we need to determine if there is a relationship, then what kind of relationship, and finally,...

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The back-end

Go Microservice Architecture Combat Part 6: Microservice governance strategy

January 31, 2024

by Patrick Wilson

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Go micro services architecture combat -【 gongzongid: Stack Future 】 Go micro services architecture combat directory 1. 1. GRPC technology introduction 2. GRPC + Protobuf...

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The back-end

Design Pattern [2] – Bridge, appearance, Enjoy element

January 31, 2024

by Miss Natalie Tucker

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The bridge pattern here is actually very graphic: it communicates information between our two concepts. In fact, the bridge pattern is complicated to talk about,...

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The back-end

Python: Let you really understand how decorators work and in what order they are executed!

January 31, 2024

by Alyssa Mendoza

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Figure out what a decorator is and what a decorator does. Let's take an example: the evolution of decorators, where all programs are iterated step...

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The back-end

No consistent hash algorithms, so don’t write load balancing on your resume

January 31, 2024

by Rachel Simpson

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Hi, everyone, I'm Xiaofu. These days, I saw a friend in the technical group discussing the problem of consistent hash algorithm. I am running out...

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The back-end

Kafka series three: Springboot integrated Kafka

January 31, 2024

by Kevin Smith

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Yml file configures bootstrap-Servers configures kafka listening addresses. For clusters, configure multiple addresses separated by commas (,). Create test interface creates producer message

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The back-end

Leetcode 1041. Robot Bounded In Circle (Python)

January 31, 2024

by Nitya Raval

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Leetcode 1041. Robot Bounded In Circle (Python)

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The back-end

Code farmers architecture | Spring Boot 4 ways to realize general Auth authentication

January 31, 2024

by Miranda Chen

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This article introduces four ways to implement universal AuTH in Spring-Boot, including traditional AOP, interceptor, parameter parser and filter, and provides the corresponding example code....

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The back-end

What the hell is JNDI?

January 31, 2024

by 袁俊傑

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Log4j2, Logback, v2.17.1, v2.17.1, v2.17.1 (https://mp.weixin.qq.com/s/

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The back-end

10 Common Python interview Questions

January 31, 2024

by 徐馨儀

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There are more than 8 million Python developers worldwide. Thousands of new learners join the Python community every day. The harsh truth is that only...

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The back-end

This decompiler is really powerful! Java development magic!!

January 31, 2024

by Tiya Wali

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In my last open source project recommendation, I recommended a powerful decompile tool, and I mentioned that I was going to write an article about...

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The back-end

The article gives you an easy introduction to full text search

January 31, 2024

by Melissa Jensen-Evans

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Full-text retrieval technology is widely used in search engines, query retrieval and other fields. Most of our search services on the web use full-text search...

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The back-end

Design pattern — Share element pattern

January 31, 2024

by Stephanie Hansen

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The share pattern is primarily used to reduce the number of objects created. The meta-share pattern attempts to reuse existing objects of the same class,...

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The back-end

SpringBoot Implements dynamic scheduled tasks

January 31, 2024

by Christopher White

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1. Execution cycle of hot update scheduled task, based on CRon expression and supporting external storage, such as database, NACOS, etc. 2. Minimum modification Is...

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The back-end

Why Is Java still so Young after 25 years: An architect’s View

January 31, 2024

by Kim Hamilton

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After 25 years of programming, Java still has a strong relationship with developers; Even now, 69 percent of the global developer community writes code in...

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The back-end

Mybatis batch inserts Oracle records

January 31, 2024

by William Forrest

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In the basic environment, data needs to be inserted in batches, and the data must have an self-increasing ID. Each insert is marked with a...

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The back-end

Go Module Import local package Development Environment Preparation

January 31, 2024

by 劉怡安

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Go Module is the official version management tool released after GO 1.11, and from GO 1.13 onwards, Go Module will be the default dependency management...

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The back-end

Implement daily limits for users in Go (e.g., three benefits per day)

January 31, 2024

by Bradley Norman

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This article mainly explains the traffic limiting algorithm in a fixed time window. For example, each mobile phone number can only send five verification code...

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The back-end

Redis limits the number of one-click logins

January 31, 2024

by 蘇佳玲

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One click login function has been included in the project since launch except for some network fluctuations which can cause login failures... one of the...

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The back-end

Fundamentals of Go: Variables and Constants

January 31, 2024

by Jivin Dasgupta

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Identifiers and Keywords Identifiers In programming languages identifiers are words defined by programmers that have special meaning, such as variable names, constant names, function names,...

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