• ## Resumption of small program of knowledge competition activities for the 30th anniversary of Pudong Development and opening up

Time：2022-5-3

1、 Activity introduction Form:Online knowledge competition Object:Employees of Lujiazui * * unit Title:The system randomly selects 20 questions from the question bank of 200 questions Competition results: 1. 5 points for each question, 20 questions, full score 100 points. According to the answer score and answer time, the higher the score, the higher the ranking, […]

• ## dichotomy

Time：2022-5-2

Dichotomy Dichotomy as the name suggestsIn fact, I keep dividing things into two partsDichotomy has existed since ancient times The hammer of one foot is half taken by the day, and it will never be exhausted for all ages Dichotomy also has applications in mathematics, such as the existence theorem of zeros \(let y = […]

• ## Best cattle fence and search section

Time：2022-5-1

Because the two questions are similar, they are combined into one question solution ———– inscription Best cattle fence Idea: Dichotomous answerThe answer is the average How to check whether the answer meets the meaning of the question,Judge whether an interval satisfying the meaning of the question is > = this average valueGenerally, you can subtract […]

• ## When can the priority of Java threads be reset?

Time：2022-4-28

Answer: Java threads can be re prioritized at any time after creation (before thread termination) Search the Internet for “when can the priority of threads be set and can it be set at any time?” The answers to such questions basically say:Before thread start, it seems reasonable to think about it carefully, but practice is […]

• ## Algorithm interview question 4: sum of two numbers, effective Sudoku, rotating image

Time：2022-4-28

Here we introduce the sum of two numbers, effective Sudoku and personal solutions to rotating images Topic 1: sum of two numbers Given an integer array num ， and an integer target value target, please find the two ， integers whose sum is the target value in the array and return their array subscripts. You […]

• ## Django ORM batch updates the corresponding SQL statements

Time：2022-4-14

If you need to batch update hundreds of thousands of lines, update is too inefficient. At this time, you can use some batch update commands. MySQL provides a variety of batch update methods,MySQL batch update, what kind of ORM does Django use? The answer is as follows: UPDATE `workingImdbMatchTask` SET `task_json` = CASE WHEN (`workingImdbMatchTask`.`id` […]

• ## Attach the answer! Summary of super full springboot interview questions

Time：2022-3-25

• ## [JS hundreds of reverse examples] anti climbing practice platform for netizens question 5: anti debugging of console

Time：2022-3-24

Focus on official account dry cargo WeChat public: K brother crawler, keep sharing crawler advance, JS/ Android reverse technology dry goods! statement All contents in this article are only for learning and communication. The packet capturing content, sensitive website and data interface have been desensitized. It is strictly prohibited to use them for commercial and […]

• ## Module design scheme of Java examination system

Time：2022-3-20

————————————————-Item bank management 22. picture library: create a file directory and maintain pictures for the question bank to choose and call 23. single choice questions: maintain single choice questions, questions, options, answers, types, levels, statuses, and resolutions 24. multiple choice questions: maintain multiple choice questions, questions, options, answers, types, levels, statuses, and resolutions 25. judgment […]

• ## Lua Programming Chapter 17 module and package exercise answers

Time：2022-3-11

Exercise 17.1 –File name: list lua local list = {} function new() return {first = 0, last = -1} end list. Constant = “this is a constant” list.new = new function list.pushFirst(list,value) local first = list.first – 1 list.first = first list[first] = value end function list.pushLast(list,value) local last = list.last + 1 list.last = […]

• ## Java foundation strengthening exercises

Time：2022-3-9

Article referenceHi guest network Java actual combat preface In the last basic Java exercise, detailed ideas and answers are provided. The article is still being updated. This article will give you some more exercises on strengthening the foundation of Java at Amway. Each question is also attached with an answer link. Each step of the […]

• ## Answer activity applet based on cloud development v2 0 – run deployment help document

Time：2022-3-3

Pre order preparation You need to install wechat developer tools locally. The technical stack of this project is based on es2015 +, wxml, wxss, JavaScript, wechat native API and cloud development. All request data are queried using the applet SDK of cloud database. Understanding and learning these knowledge in advance will be of great help […]