• Windows Server 2012 build SQL server always on full record


    Windows Server 2012 build SQL server always on full record Environmental information: Windows Server 2012 R2Sql Server 2012 The whole process is divided into three steps 1. Configure the pre control and add the machine to the domain. 2. Configure windows fail over cluster 3. Configure SQL server always on high availability group (Ag) Full […]

  • The perfect solution of Oracle database server ‘TNS listener’ remote data poisoning vulnerability (cve-2012-1675)


    Environment: Windows 2008 R2 + Oracle After applying the latest bundle patch, the scan still reports the vulnerability of Oracle database server ‘TNS listener’ remote data poisoning vulnerability (cve–2012–1675) 1. Identify solutions Application solutions 3. Verify the repair •4.Reference 1. Determine the solution Solutions given by the safety manufacturer: Link: http://www.oracle.com/technetwork/topics/security/alert-cve-2012-1675-1608180.html Follow this link […]

  • How to manually implement the restize event listener for DOM elements


    Basic introduction We all know that browsers don’t have native domresize events. The only object that can detect the restore event is the global object window. However, this event will only be triggered when the window size changes. When we need to do something when the size of the DOM element changes, we can’t do […]

  • Configure SQL Server 2019 Ag in azure CentOS VM – (next)


    Configure internal load balancer Most public clouds do not support directly configuring the floating IP of cluster resources. In azure, it is necessary to use the IP of load balancer as the listener. In case of failover, VIP resources can be started on the correct primary replica.Internal load balancer only allows intranet access to AG’s […]

  • Spring boot Kafka overview, configuration and elegant implementation of publish and subscribe


    This article is original, reprint and indicate the source, welcome to pay attention to wechat appletXiaobai AI blogWeChat official accountXiaobai AIOr website https://xiaobaiai.net [TOC] 1 foreword The content of this article is very complete, very long, very detailed! Don’t worry, take your time! I’ve written all of them. I’m sure you can read them. If […]

  • How to use Oracle listener log resolution tool


    Preface When we deal with database problems, sometimes we can’t see the abnormal waiting on the database side, but the application reports the connection exception. In this case, it is possible that the pressure has not been transferred to the database, and problems have occurred at the network level. If the connection storm occurs, the […]

  • Usage scenario of Vue calculation attribute computed and listener Watch


    Original link: HTTPS: / / dsx2016. COM /? P = 679WeChat official account: Senior brother 2016 Features and differences vueOfcomputedOption is mainly used to synchronize data processing, whilewatchOption is mainly used for event dispatch, asynchronous Both of them can achieve the same effect, but based on their respective characteristics, there will be some differences in […]

  • Kafka operation of spring boot series


    Kafka operation of spring boot series Kafka introduction Apache Kafka ® is a distributed streaming platform. There are three key functions: Publish and subscribe record flows, similar to message queuing or enterprise messaging systems. Stores the record stream in a fault-tolerant, persistent manner. Process flow when records occur. Kafka is commonly used in two broad […]

  • Vue 2.0 listener watch property code in detail


    usage ——————————————————————————– Let’s first take a look at the introduction of the official website: The official website introduced a good understanding, that is, to monitor the changes of a data, when the data changes to execute our watch method, watch option is an object, the key is an expression (function) to be observed, can also […]