how to use not last child in css code example
Example 1: how to use child selectors in css
ul li { margin: 0 0 5px 0; }
ul > li { margin: 0 0 5px 0; }
Example 2: parent and child link in mysql
table_children
parent child
0 0
1 1
2 2
3 3
4 4
0 1
0 2
0 3
0 4
1 2
1 3
1 4
3 4