Programmer Help

There is a binary tree, as shown in the figure: [I am the picture] Among them, the numbers in the circle represent the population of the residents in the node.Numbers on the rim represent node numbers. A hospital is now required on a node to minimize the sum of all residents'journeys, and it is agreed that the distan ...

I. Build projects and install plug-ins # Install vue-cli npm install vue-cli -g # Initialize project vue init webpack china-map # Cut into Catalog cd china-map # Installation Project Dependency npm install # Install vuex npm install vuex --save # Install axios npm install axios --save # Install ECharts npm install echarts --save II. Pr ...

Problems with Android setPolyToPoly (2) Question: The question is still the last one ( Problems with Android setPolyToPoly (1) ) Problem, which was solved with hardware acceleration in the previous article, but he may have black edges around the drawn quadrilateral on some mobile phones. It is suspected that the trans ...

I. Build projects and install plug-ins # Install vue-cli npm install vue-cli -g # Initialize project vue init webpack china-map # Cut into Catalog cd china-map # Installation Project Dependency npm install # Install vuex npm install vuex --save # Install axios npm install axios --save # Install ECharts npm install echarts --save II. Pr ...

Spring boot for multi data source configuration springBoot implements the configuration of multiple data sources application.properties Configure two data sources in spring.datasource.primary.url=jdbc:mysql://localhost:3306/test1 spring.datasource.primary.username=root spring.datasource.primary.password=root spring.datasource.primary.driv ...