Tag：Interviewer
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With so many functions in SQL, why does Java 8 provide repeated stream methods to kill one stone?
A classmate raised such a question; In business systems, data is generally queried from SQL, such as where, order by, limit, aggregation function, etc. why use java8 stream method? First, we can look at the method of stream. Three ways to create stream AssembleCollection.stream() Static methodStream.of ArrayArrays.stream Termination of stream foreach(Consumer c)Traversal operation collect(Collector)Convert flow […]
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[issue 32] spring recruit golang internship: seven cattle
One side (ask too many questions, just remember these) 1. The difference between red black tree and binary search tree 2. The difference between red black tree and balanced binary tree is compared with balanced binary tree. 3. Methods to resolve hash conflicts 4. Consistent hash algorithm 5. LRU algorithm What is the difference between […]
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[getting the interviewer] series: redis Foundation
introduction Under the background of the vigorous development of Internet e-commerce, the traditional relational databases (mysql, Oracle) can no longer meet the complex scenarios such as high concurrency and limited time spike. At this time, NoSQL (non relational database) came into being, and redis is a bright star in the army of NoSQL, which is […]
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[issue 34] face to face business of golang Society – Kwai
Kwai: 4-round technology 1hr oral offer one side: Joy Bureau Look at your resume. You have competition experience in college. Do you understand the algorithm? Interviewer: Well, I won’t ask if I know Raft algorithm understand? Interviewer: Well, don’t ask if you understand Talk about tidb Talk about newsql Project throughput, how to optimize the […]
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The interviewer asked me about MySQL tuning. I really am
interviewer：How do you tune MySQL? candidate : Wow, this is a big proposition… I think for developers, the focus of MySQL tuning is generally on “development specification”, “database index” or solving online slow queries. candidate : the internal parameter tuning of MySQL is done by professional DBAs. interviewer: after talking so much, you just want […]
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Event loop I know, what the hell is a macro task or a micro task?
Before introducing macro tasks and micro tasks, throw a question. I believe you will encounter similar questions during the interview: setTimeout(function(){undefined console.log(‘1’) }); new Promise(function(resolve){undefined console.log(‘2’); resolve(); }).then(function(){undefined console.log(‘3’) }); console.log(‘4’); Please say the data printed on the console. After careful consideration, many small partners will confidently say the answers: 2, 4, 1, 3. But when […]
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The interviewer asked me about MySQL index and I
interviewer：I see MySQL is written on your resume. Do you know the index of MySQL InnoDB engine? candidate : Well, the use of index can speed up the query speed. In fact, it is to turn disordered data into order (order can speed up the retrieval speed) candidate : in InnoDB engine, the underlying data […]
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[issue 43] social bidding face economy – back end development ant
Before the interview Ant’s interview is very unique. There is no HR appointment time for each round of interview. Generally, around 8 p.m., the interviewer calls and asks if he can have an interview. If he can, start meeting. Can’t he make an appointment for another time. There are 6 meetings in the whole process, […]
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Offer, come to the bowl, volatile problem Terminator
Hello, everyone, I’m rhubarb, a programmer who can only write HelloWorld. Concurrent programming in Java is the key point of interview in major factories. Many knowledge points are obscure and difficult to understand. It often needs to be answered well in combination with practical experience. If you don’t answer well in the interview, it’s easy […]
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At the age of 32, he insisted on leaving naked and carrying the mortgage 1w4, and was abused by the interviewer of Alibaba. After three months of precipitation, he got the annual salary of Tencent offer 40W +!
My situation Yes, I have worked for five years in a sweatshop on the Internet. Last week, I mentioned naked resignation with the team leader. The team leader took me to chat for two hours. I hope I can still think about it. I suggest I don’t resign naked and think more about the meaning […]
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Reading micro expression Psychology (11)
When we look for a job, we will meet the interviewer. So, what should we pay attention to in the process of interview? 1、 When the interviewer’s expression is too severe, we need to try to adjust ourselves to each other. When answering questions, don’t have any distractions, just answer carefully. 2、 When the interviewer’s […]
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Redis interview routine disassembly series (I)
Preface: at present, the knowledge content related to redis has become a frequent visitor in the back-end interview. Mastering and understanding redis can greatly add points to your interview. In addition, if you want to stand out in the interview, it is not advisable to memorize the standard answers by rote. In this series, the […]