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String matching is a common algorithm problem. There is a string to judge whether it contains another string. For example, there is a string "aaaaabc" (main string). I want to know whether it contains another string "AAAB" (mode string)? Match the main string and pattern string. First, compare the first character of the s ...

PaddingPadding can add padding (leave blank) to child nodes, which is similar to the effect of margin. It is defined as follows:Padding({ ... EdgeInsetsGeometry padding, Widget child, }) Copy codeEdgeInsetsGeometry is an abstract class. In development, we generally use EdgeInsets class. It is a subclass of EdgeInsetsGeometry and defines t ...

  We talked about handling global exceptions in spring MVC. Of course, spring boot also has global exception handling. I Custom processing common 404 and 505 pages. For example, if we enter a path that does not exist in the program, we will jump to the interface that cannot be found in 404. Input: http://localhost:8080/j/show1 In fact, s ...

Half(Prepare) Message Semi message is a special message type. Messages in this state cannot be consumed by consumers for the time being. When a transaction message is successfully delivered to the Broker, but the Broker does not receive the secondary confirmation sent by the Producer, the transaction message is in the "temporarily unavail ...

useMemo hook function The behavior of useMemo is similar to the calculation attribute in Vue. It can monitor the change of a certain data and calculate a new value according to the change value. The calculated new value can participate in view rendering. useMemo caches the calculation results. If the monitoring value does not change, it will ...

Domain environment initialization DC IP: 10.10.10.10 OS: Windows 2012(64) Application: AD field WEB IP1: 10.10.10.80 IP2: 192.168.111.80 OS: Windows 2008(64) Application: Weblogic 10.3.6 MSSQL 2008 PC IP1: 10.10.10.201 IP2: 192.168.111.201 OS: Windows 7(32) Application: Attack aircraft IP: 192.168.111.5 OS: Kali weblogic exploit nm ...

1. Define profile information Sometimes we put some variables into the yml configuration file for unified managementfor exampleReplace @ Value with @ ConfigurationPropertiesusage methodDefine the entity of the corresponding field@Data // Specify prefix @ConfigurationProperties(prefix = "developer") @Component public class DeveloperProperty { ...

catalogue 1, Servlet core interfaces and classes 1.1 Servlet interface 1.2 GenericServlet abstract class 1.3. HttpServlet class (recommended) 1.4 notes 2, Two configurations of servlet s 2.1 configuring web XML (used before servlet 2.5) 2.2 # using annotations (supported after servlet 3.0, recommended) 1, Servlet core interfaces and c ...

preface The common igb electric interface network card needs to support the configuration of rate duplex, but the interface of rate duplex is not configured in dpdk-19.11. Therefore, it needs to be developed, and the implementation method needs to be determined by studying the driver codes of different network cards. In this paper, the igb ne ...

preface: (1) Environment configuration: https://mp.csdn.net/editor/html/116790478   Part II: initial contact with Vue element admin framework This part introduces the process of installing and running the Vue element admin framework, as well as a brief introduction to the Vue element admin framework.   System: MacIDE: Webstorm   (1) Prep ...