采用EXT3.0创建一个提示框,IE9下显示异常.经过资料查询,发现添加如下代码即可解决问题. // 这段代码是为了兼容IE if ((typeof Range !== "undefined") && !Range.prototype.createContextualFragment) { Range.prototype.createContextualFragment = function (html) { var frag = document.createDocu…
centos 下yum lock的解决办法 centos7下yum install的时候,报了一堆错误,如下: Another app is currently holding the yum lock; waiting for it to exit... The other application is: yum Memory : 38 M RSS ( 37 MB VSZ) Started:Sta Jul 24 16:28:58 2010 - 1:37:07 ago …