最近 练习安装lync2013 在发布拓扑结构时遇到如下错误: lync 错误: 已为不同的传输层安全性(TLS)目标找到类型为“McxInternal”且完全限定的域名(FQDN)为“lync.contoso.com”的受信任服务器.在网上找了很久才找到解决方案. This post is following on from “Lync 2013: Topology Builder encountered an issue and cannot publish this topology” a
用apt-get命令安装开发软件非常方便,但由于各种原因,经常链接不上软件源,于是需要使用sudo apt-get update命令来更新软件源. 而屋漏偏逢连夜雨,这时候更新命令也罢工,出现各种错误... 执行sudo apt-get update,出现下面两个错误. W: GPG error: http://cran.cnr.berkeley.edu precise/ Release: The following signatures couldn't be verified because
今天在工作的时候发现自己update 一个表的某个字段超时,想了好久,首先想到的办法是,延长操作时间: mysql> set innodb_lock_wait_timeout=100 mysql> show variables like 'innodb_lock_wait_timeout'; 但是时间虽然延长了,问题却没有得到解决,在网上找了一圈,发现可能是mysql事务没有提交,导致的锁表,解决办法如下: select * from information_schema.innodb_trx
update xamarin.Forms包时出现错误: 'The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.' 于是移动了项目的位置,以至于sln的路径字符串小于248了,问题解决.
1.yum无法安装工具 failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.http://apt.sw.be/redhat/el7/en/x86_64/dag/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: apt.sw.be; Unknown error"说明yum 源太老---解决办法:最好的办法,
org.w3c.dom.Node.getTextContent()方法编译错误. 在项目的Java Build Path | Order and Export选项卡中,将JRE System Library选中,并Top置顶.然后再进行编译即可. 参考: https://blog.csdn.net/maoxiao1229/article/details/51694553
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