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The observer mode was mentioned earlier. By the way, the factory mode and aspect oriented mode are mentioned here. Let's use dynamic agent to realize aspect oriented and use configuration file to realize component management. This is also a blog post written before. What is AOP In human terms, it is aspect oriented programming. What asp ...

We knew the beauty of design patterns long ago. A good architecture is inseparable from the blessing of design patterns to cope with endless demand changes, so it's time to make up lessons~ Six principles of design patterns (reference book: "Zen of design patterns (Second Edition)") Design pattern principle 1. Principle of unity ...

Shell Programming Specifications and Variables 1. An overview of Shell scripts (1) The concept of Shell scripts Save the commands to be executed in order to a text file Give this file executable permissions Shell control statements can be combined to complete more complex operations vim first.sh #Write a first.sh's script file (2) ...

Interviewer: tell me about Spring loading configurationScene reviewHappy new year, everyone. I'm Xiao Zhang. Today is the first day of resumption of work. When I return to my bedroom, Xiao Ye is depressed again. There are the following scenes.Interviewer: Hello, Xiaoye. I see that my resume says that I am proficient in Spring. Then I want to as ...

1, Some tools 1. Three features of local printout non sequential sequence data_ Method of column converted value Applicable to tensorflow1 x import tensorflow as tf from tensorflow.python.feature_column import feature_column_v2 as fc_v2 from tensorflow.python.feature_column import feature_column as fc # Note: only mode 2 will check whether t ...

picture Image Picker - picture selectorCached network image - displays images from the network and saves them in the cacheImage Cropper - image cropFluent advanced network image provider - advanced image cache loading and scaling controlThe ui made by photo - Fluent is convenient for customization and modificationMulti Image Picker - Multi ...

catalogue 8.1 basic concepts: program, process and thread 1 Basic Concepts 2 advantages of multithreading 3 when multithreading is required 8.2 creation and use of threads 1. Creation method 1: inherited from Thread class 2 thread scheduling 3 creation method 2: implement Runnable interface 8.3 thread life cycle 1 status ...

summary   this part is the advanced part of sql injection knowledge, and introduces more injection skills. Time injection attack    the scenario of time injection attack is also that the server does not return the information of query statements, which is similar to boolean injection attack. boolean injection guesses the d ...

1, KubeSphere - set up Redis cluster In the previous article, we introduced how to use KubeSphere to create mysql master-slave replication structure in k8s. In this article, we use KubeSphere to build Redis cluster in k8s. The following is the address of the previous article: https://blog.csdn.net/qq_43692950/article/details/122819844 B ...

Author: Yan Yongqiang, algorithm engineer, Datawhale memberIn this paper, through the self built gesture data set, we use YOLOv5s detection, then train squeezenet to predict the key points of the hand through the open source data set, and finally judge the specific gesture through the angle algorithm between the fingers and display it. The four ...