The interviewer asked me to design an LRU cache.
Hei had a friend who recently went to an interview and asked him some questions about caching. Let him answer, design a LRU cache, how...
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Category: The back-end
Docker learning Guide from beginner to master
January 31, 2024
by John Gibb
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Docker: open source container virtualization platform Docker Hub: Docker SaaS platform for sharing and managing Docker containers - Docker
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LeetCode-116- Populates the next right node pointer for each node
January 31, 2024
by Bradley Stanley
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Leetcode-116 - Populates the next pointer to the right node of each node, given a ** perfect binary tree ** with all leaf nodes in...
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Leetcode 8. String to Integer (atoi) (Python)
January 31, 2024
by Jennifer Brown
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Leetcode 8. String to Integer (Atoi) (Python)
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12306 grab tickets artifact, power in the far want to go home you!
January 31, 2024
by Anna Wolfe
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Background every festival times miss relatives, close to the year, homesick mood is not increasingly strong, they are not ready to start snatching tickets, or...
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Dianping Java development real-time application monitoring platform -CAT
January 31, 2024
by Nigel Knox
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CAT is a real-time application monitoring platform developed based on Java, including real-time application monitoring and service monitoring. CAT, as a basic monitoring component of...
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Nacos Multi-environment isolation and configuration synchronization management
January 31, 2024
by Riaan Sachar
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Nacos is a popular microservice configuration center and registry service component. It introduces the concept of Namespace to carry out configuration management and service isolation...
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Java Application Monitoring (8)- Arthas Diagnostics tool
January 31, 2024
by Arnav Mane
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From: https://juejin.im/post/68449039291221278851 an article on the introduction of the Java application monitoring (7) - online dynamic diagnosis artifact BTrace, we mentioned that if the need...
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Using Go to create a service based on ZooKeeper
January 31, 2024
by 解琬婷
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Zookeeper is a strongly consistent distributed database. Multiple nodes form a distributed cluster. If any node fails, the database still works properly and the client...
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Advanced Spring Cloud microservices architecture
January 31, 2024
by Billy Mason
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Earlier this year, I put together a technical book called "Spring Cloud Advances in Microservices Architecture." Today officially began the pre-sale, the beginning of the...
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Leetcode 452. Minimum Number of Arrows to Burst Balloons (Python)
January 31, 2024
by 楊怡婷
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Leetcode 452. Minimum Number of Arrows to Burst Balloons (Python
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MySQL index optimization
January 31, 2024
by Kabir Ahuja
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A, create, containing one hundred thousand data of the test database reference articles: https://mp.weixin.qq.com/s/7LiDKcVjJXq_eRGzczucRg table structure is as follows: amount of data in the table:...
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(4) Spring transaction management
January 31, 2024
by Alexandra Fowler
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Spring Transaction Management, Transaction propagation mechanism, Spring transactions, @transactional, PROPAGATION_REQUIRED, PROPAGATION_REQUIRES_NEW
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Kafka server data synchronization – watermarking based data synchronization
January 31, 2024
by Andrew Wheeler
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This article introduces the data synchronization method of kafka partition copy, analyzes the process and disadvantages of this synchronization method, and introduces the solution of...
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Recommended 10 unit testing tools for Java programmers
January 31, 2024
by Ben Dale
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Introduction With the increasing popularity of DevOp, automated testing has slowly become the focus of Java developers. Therefore, this article shares 10 excellent unit testing...
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Kafka simulation of the implementation of the time wheel algorithm
January 31, 2024
by Parinaaz Tailor
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If there are 10W scheduled tasks on a machine, how can it be triggered efficiently?
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Talk about nacOS Client’s PushReceiver
January 31, 2024
by Ms. Elizabeth Butler
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Sequence in this paper, we study the nacosclient PushReceiverPushReceivernacos - 1.1.3 / client/SRC/main/Java/com/alibaba/nacos/clie
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Talk about ddD-by-examples domainEvents
January 31, 2024
by Janice Buckley
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Sequence in this paper, we study the DDD - by - DomainEventDomainEventDomainEventsJustForwardDomainEventPublisherMeteredDom examples
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Python reads files from an FTP client
January 31, 2024
by Edward Wilson
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Get file code from FTP, their own encapsulation of a class, of course, also have a download method, interested in their own look, can be...
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Automatically generates and uploads logs to the FTP log server
January 31, 2024
by Amber Mccormick
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1. Automatically generates logs 2. Automatically uploads files to the FTP log server 3. File names have a fixed format
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Is Redis really small, fast and durable
January 31, 2024
by Nina Butcher
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Serious interviewer: Young man, what do you think of Redis? Me: Ah, view ah, sit to see or lie down to see. Redis is small?...
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How do I do my first Integration Flow development on the SAP Cloud Platform
January 31, 2024
by Abigail Baker
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Outside the chain picture archiving failure, the source station might be hotlinking prevention mechanism, Suggestions to upload images saved directly (img - mJZ0xPYS - 1575963971577)...
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What is a “back table” in MySQL?
January 31, 2024
by 陳鈺婷
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Friends in the interview, there is a particularly common problem, that is the database back table. What is a return table? Why do I need...
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How do you ask a good question as a programmer?
January 31, 2024
by Ivana Dave
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It's another Friday, I still don't share technology today, I don't know how these days, I feel a little tired, I went to bed at...
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Microservices – Configuration Center – nacOS
January 31, 2024
by Oliver Butler
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Problem: Principle: Documentation: Step 2. Add a configuration file to the configuration center 3. Build a project and reference nacos4. Summary of the configuration file:
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Service discovery and configuration management high availability best practices
January 31, 2024
by Heather Montgomery
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Summary: This is the first in a series of shared best practices for high availability of microservices. This article is a series of best practices...
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Epic – LevelDB’s overall architecture
January 31, 2024
by 李美琪
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This section is very informative, we want to grasp the LevelDB building structure as a whole. Once we are familiar with the overall structure, we...
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NET 5 based on the realization of open source universal rights management platform
January 31, 2024
by Nicola Gardner
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Today xiaobian recommend a based on. NET 5 implementation of the universal rights management platform (RBAC mode), the project back-end separation architecture, out of the...
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SQL statement return too many rows cause [B to consume THE MEMORY of the JVM
January 31, 2024
by Donald Coleman
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After a large version was launched, THE POD of K8S was found to restart automatically. When you see this problem, the first reaction is that...
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Why should a circular queue waste a storage space
January 31, 2024
by Jessica Cameron
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One-way queues have a "false overflow" problem, while circular queues can solve the "false overflow" problem. The normal implementation of a circular queue wastes a...
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