所以，我们应该避免频繁的使用上述的属性，他们都会强制渲染刷新队列。 **5. 减少重绘与回流** 1. CSS - **使用 `transform `替代 top** - **使用 `visibility `替换 `display: none`** ，因为前者只会引起重绘，后者会引发回流（改变了布局

null, x.eq(b).addClass(s).siblings().removeClass(s), t > dddd - e && (i.offset().top - title.offset().top-title[0].scrollHeight)

amd64 VM: Dynamic Code Evolution 64-Bit Server VM by JetBrains s.r.o. Windows 10 10.0 GC: G1 Young Generation, G1 Old Generation

amd64 VM: Dynamic Code Evolution 64-Bit Server VM by JetBrains s.r.o. Windows 10 10.0 GC: G1 Young Generation, G1 Old Generation

[4] Linux性能分析的一篇论文和两本书 https://mp.weixin.qq.com/s/gXcR9-bSan5Xy4jPCDVjQA A Top-Down method for performance analysis and counters

-wq aa real 4m40.946s user 0m0.010s sys 0m0.052s ``` ``` top # during killall PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND

the expression while it s being evaluated. When processing the expression, it could either evaluate the top of the stack, or add a

(required by Kinetic). The issue is that the application's GUI was built on top of Qt4, but Ubuntu 16.04 uses Qt5 which changed the

storage_img_create(image_id, top_layer_id, NULL, &opts); 700 if (ret != 0) { //在storage_get_img_top_layer()中从全局map中search出该变量img，use

30vp; position: absolute; left: 50%; margin-left: -15vp; top: 50%; margin-top: -15vp; } 3、 .container{ flex-direction: column; overflow:

split('/') for k in w: s = k.split('_') if s[0] =='United States of America':#修改美国英文 s[0] = 'United States' alls.append(s[0]) #统计各个国家的电影数量