MySQL Backup and Recovery: Protecting Data Security and Business Continuity

1. Quote MySQL is a widely used relational database management system. For any enterprise or individual, data security and continuity are crucial. Backup and recovery are one of the important means to protect data security and achieve business continuity. This article will introduce the importance of MySQL backup and recovery, the selection of backup strategies, […]

The H5 page based on vue 2.0 uses H5’s own positioning, Amap positioning, search for surrounding merchants, coverage markers, and positioning to the current city.

Use Gaode map positioning, search for surrounding merchants, and cover markers in the Vue-based H5 page First install the Amap plug-in npm i @amap/amap-jsapi-loader –save Map hosting container <template> <div id=”container”></div> </template> Map container style <style scoped> #container{<!– –> padding:0px; margin: 0px; width: 100%; height: 800px; } </style> Introduce JS API Loader, initialize the map, […]

MySQL Backup and Recovery Best Practices: The Ultimate Guide

As businesses and applications increasingly rely on MySQL databases to manage their critical data, ensuring data reliability and availability becomes critical. In this digital information age, a strong backup and recovery strategy is the backbone of application stability. In this article, we will review all the commonly used MySQL backup and recovery strategies, which are […]

Oracle active/standby switchover, ogg recovery method (classic mode)

Foreword: This article mainly introduces how to recover the ogg process (classic mode) running in the main database and standby database when the Oracle database physical ADG primary and backup switches (switchover, failover). Test recovery scenario: 1 A switchover occurs between the active and standby devices, and the main database is the ogg source. 2 […]

Greedy Proof | Least Circle Covering Problem

Minimum circle coverage problem Problem Description algorithm design Optimal substructure properties greedy selectivity code Problem description Original title link There are some ships on the sea that need to communicate with the land, and some base stations need to be deployed on the coastline. Now abstract the problem as, above the x-axis, give the coordinates […]

?Use ChatGPT to control Vim and make new discoveries!

AIGC tool ChatGPT meets the old text editor Vim, what kind of sparks will the two create? The author of this article, Lachlan Gray, gave it a try and got an unexpected surprise from automation. Let’s take a look. Original text: https://lachlan-gray.com/Controlling + Vim + With + ChatGPT Do not redistribute without permission. Author | […]

centos9 image source, network configuration, accidentally deleted python recovery

centos9 Accidentally deleted python recovery solution centos9 accidentally deleted /usr/bin/python3.9, causing yum to become unavailable. [root@localhost ~]# yum makecache -bash: /usr/bin/yum: /usr/bin/python3.9: bad interpreter: No such file or directory [root@localhost ~]# python3 -bash: /usr/bin/python3: No such file or directory [root@localhost ~]# python3.9 -bash: /usr/bin/python3.9: No such file or directory If you just delete this file […]

3. Use third-party service targets to collect passive information to prevent discovery

3. Use third-party service targets to collect passive information to prevent discovery 3.1 Passive information collection 3.1.1 Overview and purpose of passive information collection · Information collection methods can be divided into two types: passive and active ? Passive information collection method refers to using third-party services to access and understand the target. (Such as […]

mysql backup and recovery

Backup: full backup incremental backup Full backup: Back up the entire database completely Incremental backup: Based on the full backup, backup of subsequent newly added content Backup requirements 1. In a production environment, data security is crucial, and any loss of data may have very serious consequences. 2. Why data is lost, program operation, calculation […]