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summary This article briefly introduces the armor recognition of RoboMaster robot. The method is to select the armor plate area by using the lamp column as the identification through the edge detection method. In this blog, coordinate points will be provided for subsequent mecha debugging. Techniques used: color channel separation, Gaussian f ...

Introduction to Config Microservice means to split the business in a single application into one sub service. The granularity of each service is relatively small, so there will be a large number of services in the system. Because each service needs the necessary configuration information to run, a centralized and dynamic configuration mana ...

Thread communication mechanism wait notify notify all In this class, we mainly learn the precautions for using the wait/notify/notifyAll method. We mainly start with three questions: Why must the wait method be used in synchronized protected synchronization code?Why is wait/notify/notifyAll defined in the Object class and sleep defined in th ...

Download: Spring Cloud Alibaba large Internet multi scenario best practices online disk download How will the large-scale Internet field develop? In the field of large-scale Internet, from super portal to super interface, from super APP to super API, super interface should have two meanings: one is "super", that is, it has wide appli ...

capwords function Capitalize each word in the sequence def capwords(s, sep=None): """capwords(s [,sep]) -> string Split the argument into words using split, capitalize each word using capitalize, and join the capitalized words using join. If the optional second argument sep is absent or None, runs of whitespace chara ...

Use Docker to configure flink1 12 development test environment Brief introduction Docker is now an indispensable tool in the development community. We can quickly test and package our applications with docker. At the same time, using containers, we can easily realize the deployment and configuration of CI and CD in software development. At ...

This article mainly introduces the example of Python crawling Jingdong Laptop Data Based on scratch and simple processing and analysis, so as to help you better understand and learn to use python. Interested friends can understand 1, Environmental preparation python3.8.3pycharmThird party packages required for the project pip install scrap ...

Concept of annotation Annotation, also known as Metadata, is a new feature of Java 5. JDK5 introduces Metadata and can easily call annotations. Annotations are at the same level as classes, interfaces and enumerations, and can be applied to the declarations of packages, types, construction methods, methods, member variables, parameters and ...

There are many built-in filter factories in Gateway. Through some filter factories, we can carry out some business logic processors, such as adding and removing response headers, adding and removing parameters, etc Filter factory official website: https://docs.spring.io/spring-cloud-gateway/docs/current/reference/html/#gatewayfilter-factorie ...

Python object oriented programming There are three common programming methods: Process oriented: write the base code from top to bottom according to the business logic. The most common operation is paste and copy, and copy the previously implemented code blocks to the existing functions. Functional: encapsulate a function code into a functio ...