Tag：Teacher
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Time：2021-8-16
Chicken baby, it’s a war. With the winter vacation approaching, the war has quietly begun. Parents have been gearing up to make winter vacation learning plans for their children. Some data show that since December, the consumption growth rate of winter vacation classes has reached 966%, and the number of searches related to “winter vacation […]
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Time：2021-8-7
Multiple students correspond to one teacher For students, multiple students and one teacher [many to one] For teachers, a teacher has many students [one to many]SQL： CREATE TABLE `teacher` ( `id` INT(10) NOT NULL, `name` VARCHAR(30) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=INNODB DEFAULT CHARSET=utf8 Insert into teacher (` ID `, ` name `) values […]
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Time：2021-8-7
brief introduction Factory pattern is one of the most commonly used design patterns. This type of design pattern is a creation pattern, which provides the best way to create objects. In factory mode, when we create an object, we do not expose the creation logic to the client, but point to the newly created object […]
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Time：2021-7-27
I have worked for nearly two years. I have done projects in B / S structure, Android and C / S structure. I believe that both projects are based on Java. I have been learning and using java for many years. Although I have also been in contact with development languages such as C / […]
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Time：2021-7-15
summary Sample code List page Form page model.js service.js summary summary Projects often encounter the need to display pictures in the table (for example, when displaying user information, there is a column of the user’s head picture) The function of antd Pro table is very powerful. For general information display, just refer to the example […]
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Time：2021-7-2
————————–Table structure————————– Student (studid, studname, studage, studex) student table Teacher (TID, tname) teacher table course(CId,Cname,C_ TID) curriculum sc(SId,S_ CID, score) ———————————————————- Question 25:Query the records of the top three scores of each subject (regardless of the juxtaposition of scores) SELECT * FROM (SELECT s1.S_CId,s1.Score,COUNT(DISTINCT s2.Score) Rank FROM sc AS s1 INNER JOIN sc AS s2 […]
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Time：2021-6-14
On November 24, the education and technology sub forum of 2020get conference sponsored by Jigou technology was successfully held in Beijing. Six senior education / technology celebrities from dingdong classroom, Xiaobing, 360os, tomato field art and Jigou technology shared in-depth at the forum. The following is a speech by Ding Dong classroom CEO Qiu Mingfeng […]
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Time：2021-6-10
If you want to learn flutter, please pay attention to this columnFlutter series (1) — a detailed introductionFlutter series (2) — comparison with react nativeFlutter series (3) — environment building (Windows)Flutter series (4) — HelloWorldA detailed explanation of dart language (1) — a detailed introductionA detailed explanation of dart language (2) — basic grammarA detailed […]
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Time：2021-5-6
brief introduction Factory pattern is one of the most commonly used design patterns. This type of design pattern is a creative pattern, which provides the best way to create objects. In factory mode, we do not expose the creation logic to the client when creating objects, but use a common interface to point to the […]
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Time：2021-4-22
On the first working day of 2017, as we enter the stage of preparing to learn weex, let’s first take a look at what we need to know. 1. What is weex?Weex is a cross platform development solution. In short, it combines the development of IOS, Android and H5, and can write a set of […]
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Time：2021-4-21
Write at the beginning The more advanced the position is and the lower the level of work is, the more you need to be solid in basic knowledge. I will not do more than a dozen handwritten source code tutorials like before in the future, and will focus more on basic knowledge Tomorrow is1024, I […]
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Time：2021-4-11
This blog SQL script address: gitee preparation There are four tables as follows: Student form: student (student number, student name, date of birth, gender) Grade: score (student number, course number, grade) Curriculum: Course (course number, course name, teacher number) Teacher table: Teacher 1、 Create databases and tables In order to demonstrate the running process of […]
