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In this paper, based on the Supermap platform, the two-dimensional vector data of 84 to Mars is realized. Steps: Converting data into the geographic coordinate system of wgs84 in iDesktop In iDesktop, convert the data to geojson. Note that the format should be utf-8, otherwise the Chinese field will be garbled. Under nodejs, we use projzh ...

Recently, tiktok tiktok tiktok has seen all kinds of billboard data visualized video. As a technician, it is considered a very interesting way to present data. So searching the Internet for information, we found that there is a list of sound suitable for data visualization. Who is it? objective Tiktok pop star list Data visualization shows ...

In the last article, we introduced a logistics service provider. We recommend you to use Express Bird Interface. It mainly describes how to register an account, get a key, and find a registered address. I'll send it: http://kdniao.com/reg Today we're going to talk about how to use the interface provided by courier birds for instant queries. ...

How to get start command of container The container has already been created. How to know its startup parameters (where to mount the data) #Suppose you start a container with the following command docker run -d --name mysql\ -p 3306:3306\ -e MYSQL_ROOT_PASSWORD=123456\ --restart=always\ mysql:5.5 --character-set-server=utf8 #How to kno ...

Introducing dependency Add io.springfox:springfox-swagger2 and io.springfox:springfox-swagger-ui dependencies to pom.xml <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.8.0</version> </dependency> <dependency> <groupId&gt ...

vue initially uses vue resource to implement asynchronous request (ajax), and vue 2.0 began to recommend using axios instead of vue resource.   Preparation 1. Download axios using npm npm install axios   2. Introducing axios.js <script src="js/axios.js"></script> Change to min.js when online         The front-end vue uses axios ...

Encrypt script first: import org.apache.commons.codec.binary.Base64; import java.io.ByteArrayOutputStream; import java.security.Key; import java.security.KeyFactory; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.PrivateKey; import java.security.PublicKey; import java.security.Signature; i ...

Notice in advance: This article is written by beginners. For a process of exploration, there may be some imprecise and accurate places. I hope readers will understand and correct it actively! Scenario Description: In a front-end development process, I used a web page template, which contains a home page and four sub pages, as shown in the follo ...

Catalog File operation Input and output streams Open and close files Functions and methods used Case demonstration Read file operation application case Write file operation application case Judge whether the file exists Application example of file programming Copy file Count the number of English, numbers, spaces and other characters ...

@ Catalog 1 installation 2 modification name and version number 3 display description 4 display controller notes and Chinese 5. The same route and different query parameters 6 ignore some fields in the Model 7 delivery header 8 HTTP status code on error When developing web api, it's a pain to write documents. Without documents, people don' ...