Programmer Think

Article directory 1 basic structure of mavlink XML file 2 message 3 enum 1 basic structure of mavlink XML file The following code block is the xml data document defined by the mavlink message Code block 1 <?xml version="1.0"?> <mavlink> <version>3</version> <diale ...

First read the quick start of the official website, then build it yourself. The result is various errors and pits.Record it. 1. Environment A virtual machine, a cloud server, a local Mac (because mysql is installed on the cloud server and locally, or you can use the virtual machine entirely, just look at yourself), mycat is deployed on the virt ...

Welcome to spring cloud. In this chapter, we will teach you how to create the parent-child project architecture of spring cloud. Knowledge is endless, and stories are good or bad. Articles are purely fictions. Make complaints about them. How can I walk in the Jianghu without any tricks. The technologies ...

I. overview Apache Maven is a software engineering management and integration tool. Based on the concept of project object model (POM), Maven is able to manage project construction, reporting and documentation through a central information management module. There are many advantages of building proje ...

SpringAop 2.x Introduction: The principle of namespace based configuration is to use post processor, which is simpler. Characteristic: Simplified configuration, There is no need to implement any interface when writing non intrusive notifications. Use the AspectJ expression to define the tangent point. B ...

Spring MVC type converter We know from the previous article that spring MVC framework can automatically encapsulate and bind parameters, but sometimes the data we transmit is not necessarily transformed according to the existing type converter. As illustrated by the following example, it is necessary ...

How to get object (tag) name, attribute, content, comment and other operations by using the Python crawler beautifulsop 1, Tag object 1. The tag object is the same as the tag in the XML or HTML native document. from bs4 import BeautifulSoup soup = BeautifulSoup('<b class="boldest">Extremely bold&l ...

Preface In the process of Activity interaction, data must be transferred between two activities. You can start a new Activity by using the startActivity() or startActivityForResult() method, depending on whether your Activity wants to get the return result from the new Activity that is about to start. ...

WeChat official account interface development - reply message As a WeChat official account, interaction with users is very important. For example, according to the message sent by users and the user information (text, pictures, videos, pictures, etc.) that are passively answered by push events, I have ...

background Recently, when some parts of the project call each other, they are not realized by Http(post/get), but by web service. Although they have been exposed to the way of web service before, they haven't had a chance to study it. They just imitate and write according to the rules and don't build ...