一,前言: 刚加的css怎么没有渲染出来?浏览器中查看,发现是被其他的css给覆盖了,相信我们都曾遇到过这样的问题.那么浏览器是如何选择css标签的渲染顺序的呢?换句话说,css选择器的优先级是怎么规定的? 二.正文: 先上一个例子 <div id = "outerId" class = "outerClass"> <div id = "innererId" class = "innerClass">
晚上重温dos窗口操作mysql的时候,遇到了一个巨蛋疼的问题------>中文验证码 -->_-->,所以找了找资料弄懂了怎么解决乱码问题,,小记一下. 新建一个表 create table student( id int, name varchar(), chinese float, english float, math float ); 向表中插入数据(包含中文) insert into student (id,name,chinese,english,math) values
直接抄: https://apollomapping.com/2012/August/article15.html For this month’s Geospatial Frequently Asked Question (G-FAQ), I pivot to a topic that deserves more attention than it gets, and that is bit depth. Some of you may have heard this term when or