我在Linux中遇到了以下代码(include/linux/list.h).我对第713行很困惑.特别是,我不明白({n = pos-> member.next; 1;}).
花括号做什么？为什么这个陈述中有'1'？
如果有人能解释这一特定的行,我将不胜感激.注意,我不需要解释链接列表和#defines如何工作等.
704 /**
705 * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
706 * @pos: the type * to use as a loop cursor.
707 * @n: another &struct hlist_node to use as temporary storage
708 * @head: the head for your list.
709 * @member: the name of the hlist_node within the struct.
710 */
711 #define hlist_for_each_entry_safe(pos, n, head, member) \
712 for (pos = …我正在尝试使用spin.js库来显示加载动画.但是,关闭spin.js开发人员示例我似乎无法让它工作/出现; 当我在Firefox中打开我的html文件时,空div标签显而易见.
这是我的代码(spinnertest.html):
<html>
<head>
<script src="spin.min.js">
var opts = {
lines: 13, // The number of lines to draw
length: 7, // The length of each line
width: 4, // The line thickness
radius: 10, // The radius of the inner circle
corners: 1, // Corner roundness (0..1)
rotate: 0, // The rotation offset
color: '#000', // #rgb or #rrggbb
speed: 1, // Rounds per second
trail: 60, // Afterglow percentage
shadow: false, // Whether to render …c ×1
css ×1
curly-braces ×1
html ×1
javascript ×1
jquery ×1
linked-list ×1
linux ×1
spin.js ×1