I d like to ask all the great gods if you don t use packages or frames, what are the ways to upload pre-download videos? for example, used to be a "very tall " piece all forced to 800x600 16:9 (proportional) or a very high film does not chang...
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how can I implement a line with a physical size of 5cm on each mobile device? ...
1. For example: I now have a need to obtain student data, query data according to student primary key and student status, and query data according to student primary key and student name should I write these two in one SQL to deal with, or write two SQ...
A requirement put forward by the boss is that after someone else uploads a business license, the system automatically obtains the unified social credit code on the picture. Can this requirement be achieved by using front-end technology? Please answer que...
A simple line chart is used in the project, I intend to implement it in echars. After the introduction, the project size has reached more than 3m. In order to reduce the project size, I intend to load the line chart on demand import echarts from &q...