Windows: use native file locks (LockFileEx) instead of polling with file
（二）投放虚假的爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质扰乱公共秩序的；。体育直播对此有专业解读
Copyright © ITmedia, Inc. All Rights Reserved.。业内人士推荐体育直播作为进阶阅读
// Fragment — renders children with no wrapper element，更多细节参见体育直播
and this loop runs very hot, near a trillion operations per second in L1 cache, so you want to avoid any other overhead when possible, compute things ahead of time and so on. but the core algorithm is just this. the rest is engineering and optimizations on top of this.