http://www.iphoneheat.com/2010/07/downgrade-ios-4-to-os-3-1-3-3-1-2-iphone-ipod-touch/ 请注意红色部分,没有备份shsh是无法降级的,该方法不用修改host,相当于自己做校验。 In this Guide you’ll learn how to downgrade iOS 4 firmware to O
已解决TypeError: Descriptors cannot not be created directly. If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.1.0If you cannot immediatel
已解决TypeError: Descriptors cannot not be created directly. If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0. If you cannot immedia
目录 背景和问题分析1. 最简单方案2. 复制数据仓库 cannot downgrade a node from version [7.x.x] to version [7.x.x] Elasticsearch降级实践 背景和问题分析 首先官方是不支持降级的,想要降级必须从快照中恢复,这是最保险的,前提也比较多,成本较高。 但是你做了很小的版本升级,过后又非常想回退到
在配置nfs服务器,设定selinux时,碰到了SELinux: Could not downgrade policy file的错误提示,下文是其解决方案。 一、故障现象 [root@system1 ~]# semanage fcontext -a -t 'public_content_t' '/protected(/.*)?'SELinux: Could not downgrade po
greendao Can't downgrade database from version 3 to 1 参考了以下文章 https://blog.csdn.net/wymon_zhang/article/details/19344201 https://blog.csdn.net/u010326875/article/details/52512677 报错的语句: db =