Programmer Think

Summary seen by boss General PHP interviews will ask about front-end knowledge, especially VUE. You need to know some front-end content PHP: What are CSRF and XSS attacks answer: 1.CSRF Basic concept, abbreviation and full name of CSRF(Cross-site request forgery) Cross-site request forgery 2.CSRF Attack principle of User is a website A ...

abstract RabbitMQ is a distributed middleware that can be used to realize message communication and service decoupling. It has many typical application scenarios in actual projects, such as asynchronous logging, asynchronous communication decoupling of business service modules, traffic peak shaving and flow restriction in high concurrent rush ...

1, Nacos registry 1. pom.xml configuration dependency <!-- nacos As a registry Discovery Center --> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> 2. application.yml configure Nacos Service Center Address ...

preface HashMap has always been a classic topic that must be asked in the interview. We can't just use it for use. We should also be clear about the underlying principles and possible problems. There are many explanations on HashMap thread safety on the Internet. Why should I talk about this article? Because I want to be more simple and clear. ...

That day, little ape went to Ali for an interview. As soon as the interviewer Lao Wang came up, he threw him an interview question: why is it mandatory not to delete elements in foreach in Ali's Java development manual? The little ape looked happy after hearing this, because two years ago, 2019   In, he saw this question in the column of t ...

Hello, I'm a senior programmer~Today, I'll bring you a detailed analysis of the array of high-frequency algorithm questions in the interview. The full text contains 19 real questions about the algorithm in the written interview of large factories. I won the knowledge point of the array in one fell swoop, so that the algorithm will no longer bec ...

More algorithm solutions, please pay attention to the official account, "programmer"Sorting of single linked listProblem descriptionLeetCode 148. Sorting linked listGiven an unordered single linked list with n nodes, it is sorted in ascending order.Requirements: space complexity O(n), time complexity O(nlogn).Example:Input: [- 1,0, - ...

catalogue 1, Overview of bidirectional binding 1. What is bidirectional binding 2. Specific steps 2, Implementation of bidirectional binding 1. Implement an Observer (Object.defineProperty()) 2. Implement Watcher 3. Implement Compile (event listening) 1, Overview of bidirectional binding 1. What is bidirectional binding Two way b ...

catalogue 🏳️‍🌈 Let's talk!!!! 🏳️‍🌈 Suzhou program Dabai 🏳️‍🌈 🌟 Blogger introduction 💂 Personal home page: Suzhou program white 🤟 The author introduces: member of China DBA Alliance (ACDU) and administrator of program ape (yuan) gathering place of CSDN all over the country. Currently engaged in indu ...

Friends of appropriate age People send friend requests to each other. Now given an array containing their age, ages[i] indicates the age of the ith person. When either of the following conditions is met, A cannot send friend requests to B (A, B are not the same person): age[B] <= 0.5 * age[A] + 7 age[B] > age[A] age[B] > 100 && ...