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The transformation from wgs84 coordinate system to J2000 coordinate system mainly involves the mutual transformation of coordinates. Generally, the given WGS coordinates are t and BLH at the given time. The specific conversion is as follows step1 WGS 84 converts to the protocol earth coordinate system. function XYZ_m = wgs842ECEF(BLH_deg_m) ...

kt introduction Manage and integrate more effectively with your Kubernetes development environment. Detailed document access link , project address access github   features Connection: direct access to the remote Kubernetes cluster. KT Connect sshuttle is used as a vpn tool to access the remote Kubernetes cluster network.Swap: developers ca ...

1, IOC container 1. What is IOC (control reversal) (a) the creation of objects and the calling process between objects are handed over to Spring for management (b) purpose of using IOC: to reduce coupling 2. IOC bottom layer (a) parsing and reflection mode 3. The IOC container provided by Spring is implemented in two ways (two interfaces) ...

Server programs, such as databases and Web servers, repeatedly execute requests from multiple clients designed to handle a large number of short tasks. One way to build a server application is to create a new thread each time a request arrives and service the new request in the newly created thread. Although this method seems simple to implemen ...

preface Depth copy (depth assignment) In previous articles C + +: Six default member functions and deep and shallow copies of the class , we have discussed the problem of deep and shallow copy in depth. If you don't know the of deep and shallow copy, you can take a look at this article first. Here we directly give the definition of dee ...

The company has an urgent need to call the server interface through websocket. Due to the limited time, it decided to make a command-line script demo for the customer first. After learning the spring shell, I wrote a blog to record it.  1.spring shell environment spring boot needs to be introduced <parent> <groupId>org. ...

Let's take a look at the definition given by Du Niang: And look up the set. In some set application problems with N elements, we usually make each element form a single element set at the beginning, and then merge the sets of elements belonging to the same group in a certain order. In the meantime, we should repeatedly find out which set an ...

In our practical work, we will develop our own functional modules For Openwrt, its convenience is that it can be installed and uninstalled at any time like ko file For Openwrt, there are also a set of new steps of "standard": 1. Add module directory under package directory: hello 2. Add the corresponding file, like this Files: ...

The stream takes the memory as the object, [the external chain image transfer fails. The source station may have an anti-theft chain mechanism. It is recommended to save the image and upload it directly (img-bdtvo6ws-1620884654001) (C: \ users \ 47669 \ appdata \ roaming \ typora \ typora user images \ image-20210506081448354. PNG)] [the exte ...

In the blog "analysis of the principle of linux kernel protocol stack - tcp server-side send process", it is mentioned in sys_ socket=>sock_ Sock_ is invoked in create. Alloc function, but I didn't explain what it did. Now let's briefly explain the principle. Mainly related to the file system. struct socket *sock_alloc(void) { s ...