[summary of interview algorithm questions 01] backtracking method

Series Description: [summary of interview algorithm questions] the series mainly summarizes common algorithm questions with each algorithm as a unit. The main questions are derived from the two topics of leetcode's sword finger offer and hot100. The link is as follows: Sword finger offer and hot100 Here is a brief explanation. There may be mu ...

Posted by j8h9x on Sun, 20 Feb 2022 15:54:08 +0100

Necessary for data analysis interview: these easy-to-use SQL functions need to be memorized

Hello, I'm brother Cheng~ Today I share the window function foundation of SQL. catalog: 1. What is the window function 2. Sorting function 3. Distribution function 4. Front and back functions 5. Head and tail function 6. Aggregate function [note] there is a technical exchange group at the end of the text Recommended articles Someone ...

Posted by dirkers on Sun, 20 Feb 2022 13:23:27 +0100

Promise notes (final version)

If you are Xiaobai, this set of information can help you become a big bull. If you have rich development experience, this set of information can help you break through the bottleneck 2022web full set of video tutorial front-end architecture H5 vue node applet Video + data + code + interview questions. catalogue 1, Meet Promise (1) Relevant ...

Posted by mtorbin on Sun, 20 Feb 2022 00:16:22 +0100

Summary of interview questions

1, Foundation 1. Language related issues Q: what are the characteristics and advantages of python? Features: python is an interpretive language. The code is interpreted and executed through the interpreter. The code that is executed is interpreted. There is no need to precompile to generate executable files. Disadvantages of interpretive la ...

Posted by Zepo. on Sat, 19 Feb 2022 19:54:19 +0100

Preparation for interview I: split Okhttp

okhttp can be said to be the most frequently asked third-party framework in the interview. It should be said that there is no one. It's just time to review and split this third-party library while looking for a job. Part I: design patterns used 1. Builder mode: such as OkHttpClient and Request. Why use the builder model? The use feature of ...

Posted by eyedol on Sat, 19 Feb 2022 16:45:51 +0100

A single example of design pattern

Singleton mode Introduction to single example design mode The so-called class singleton design pattern is to take certain methods to ensure that there can only be one object instance for a class in the whole software idea, and the class only provides a method to obtain its object instance (static method). The singleton mode can be implemente ...

Posted by simonsays on Sat, 19 Feb 2022 16:03:46 +0100

leetcode 2D search

  Today is the 43 articles on LeetCode. Let's take a look at the 74 questions in LeetCode, search two-dimensional matrix and search two-dimensional matrix. The official difficulty of this question is Medium, and the pass rate is 36%. Different from the previous questions, this question has a very high praise ratio, 1604 likes and 154 opposes. ...

Posted by martinco on Sat, 19 Feb 2022 13:26:10 +0100

[2021] java interview questions from scratch (java Basics)

preface *** I think the basic boss can leave early. Take time to update this column after work   java Foundation 1. What is object-oriented?   object oriented is to pay more attention to the participants (objects) of things and what they need to do. (process oriented, paying more attention to every step and sequence of things) it ...

Posted by irishjohnny24 on Sat, 19 Feb 2022 09:20:39 +0100

Come to a comprehensive interview book to practice your skills, and start the whole network exclusively!

background In the development process of using fluent in depth, we encountered serious business code coupling and poor code maintainability, such as mud. We need a unified application framework to get rid of the current development dilemma, which is also a virgin land vacant in the field of fluent. Fish Redux is an upper application framework ...

Posted by jonorr1 on Sat, 19 Feb 2022 02:11:12 +0100

Java multithreading interview notes

Detailed explanation of multithreading Learning route: thread introduction, thread implementation (key points), thread status, thread synchronization (key points), thread communication problems and advanced topics The knowledge of thread implementation and thread synchronization should be mainly studied, and other parts are only required to b ...

Posted by zeus1 on Fri, 18 Feb 2022 23:24:34 +0100