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1. Demand Recent development reaction: Monkey / Auto traverses the FC, ANR and other problems during the test. It is impossible to accurately locate the cause and recurrence path of the problem through the log. It is hoped that the recording screen can be added during the test to facilitate the location of the path and cause of the problem rec ...

1.TypeScript union type Resolution: the union type can set variables to multiple types through the pipeline (|), and the value can be assigned according to the set type. 2.TypeScript basic type Resolution: [1]Any type any: Declare as any A variable can be assigned any type of value [2]Number type number: Double precision 64 bit floating point ...

Depth first traversal of trees and graphs & breadth first traversal of trees and graphs The two traversal methods of tree and graph are algorithms based on the idea of dfs and bfs. Its idea is still recursive, but the traversal object becomes an undirected graph, so there are more precautions in the process of graph construction and sea ...

Spark Day06: Spark Core 01 - [understand] - course content review It mainly explains three aspects: Sogou log analysis, external data sources (HBase and MySQL) and shared variables. 1,Sogou Log analysis Search based on the official log SparkCore(RDD)Business analysis Data format: Text file data, and each data is the log data o ...

Connect video MySQL installation configuration Installation and configuration of MySQL database mysql5.5 mysql5.6 mysql5.7(stable) mysql8 Later version Software download Mysql5.7 address: https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.19-winx64.zip Special note If installed Mysql Think again, or in the process of making a ...

In the development, we sometimes encounter the demand of regular push, such as regular push, regular email and so on. SpringBoot has built-in timing tasks for us. We only need an annotation to enable timing for our use.Start scheduled taskAdd the @ enableshcheduling annotation in the entry class LogApplication. After adding the annotation, Spri ...

1, Environmental description CentOS7；RocketMQ4.5.2；The firewall is closed; Virtual machine address:192.168.0.40，192.168.0.41，192.168.0.42，192.168.0.75； Because other things have been built on the virtual machine before, the alias will be specified this time, which can be accessed directly through ip and port; 2, Software descripti ...

1. Introduction to micrometer Micrometer provides a general API for performance data collection on the Java platform. Applications only need to use the general API of micrometer to collect performance indicators. Micrometer will be responsible for completing the adaptation with different monitoring systems. This makes it easy to switch the mon ...

Interpretation of UNet algorithm principle and implementation of pad U-Net network is a very classic image segmentation network, which originates from medical image segmentation. It has the characteristics of few parameters, fast calculation and strong applicability. It has high adaptability to general scenes. U-Net was first proposed in 2015 ...

brief introductionWhy are there so many JAVA programmers in the world? One of the important reasons is that compared with C + +, JAVA does not need to consider the release of objects, and everything is completed by the garbage collector. In the modern programming world that advocates simplicity, there are fewer and fewer experts who can speak C ...