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Article cataloguepreface1, View partition types2, Use centos7 software recovery tool extundelete to recover files1. Install extundelete2. Upload the extundelete installation package to the user-defined directory3. Unzip the installation package4. Enter the extracted installation package directory and execute the command5. Create data directory ...

  Thorwable class (indicating that it can be thrown) is the superclass of all exceptions and errors. The two direct subclasses are Error and Exception, which represent errors and exceptions respectively. The Exception type Exception is divided into runtime Exception and non runtime Exception, which are very different, also known as Unchecke ...

Daily test Brief description of deadlock Which queues have you used This paper expounds the concept and basic use of process pool and thread pool What is a collaborative process and how to implement it simply summary """ Multithreading under multi process Reuse process under multithreading Maximum length can improve the efficiency ...

First, we will learn how to use JSTL Taglib to localize JSP pages. In addition, we will demonstrate how to use request parameters, session attributes and cookie values to select the preferred language in JSP pages. In addition, we will use Maven to set up the project. Therefore, we hope readers have the basic knowledge of Java Web Application, ...

paramiko module Introduction: paramiko is a module for remote control. Using this module, you can operate commands or files on the remote server. It is worth mentioning that the remote management inside fabric and ansible is realized by using paramiko. 2. Download and install pip3 install paramiko #In Python 3 In python2 pycrypto，beca ...

Machine Learning A-Z learning notes 16 Thompson sampling algorithm 1. Simple principle This paper continues to talk about a reinforcement learning algorithm called Thompson sampling algorithm. The mathematical theoretical basis of this algorithm is Bayesian inference. Let's talk about the basic principle of this algorithm first, also taking t ...

Catalogue of series articlesRabbitMQ: Chapter 1: six working modes and message confirmation mechanism (combination of theory and code)RabbitMQ: Chapter 2: Spring integrates RabbitMQ (simple mode, broadcast mode, routing mode, wildcard mode, message reliability delivery, message loss prevention, TTL, dead letter queue, delay queue, message backl ...

In the previous article Using MetalLB as LoadBalancer in Kubernetes cluster (Part 1) In, we use MetalLB's Layer2 pattern as the implementation of LoadBalancer to expose the services in Kubernetes cluster outside the cluster. Remember the IP address pool we assigned to MetalLB in Configmap? apiVersion: v1 kind: ConfigMap metadata: namespac ...

@ 0. Purpose: 1. Hardware interrupt response -- > interrupt in kernel driver 2. System call function response (sys call) - > system call 3. Custom interrupt -- > soft interrupt mode of software 4. Signal interrupt (kill -signalnum) 5. System exceptions and errors -- > system exception handling to understand the role of system except ...

If the article is original, please indicate the source of the original text This blog address: https://blog.csdn.net/qq21497936/article/details/123320135 Dear readers, the knowledge is infinite and the manpower is poor. Either change the demand, find professionals or study by yourself The complete blog of red fat man (red imitation): the collec ...