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xoyo

xoyo

V2EX member #7850, joined on 2011-04-12 13:39:38 +08:00
xoyo's recent replies
Jan 11, 2024
Replied to a topic by xoyo Flutter flutter 股票交易系统项目求接单~
@tutou 是啊,找不到合适的人的话,就准备先这么搞了~ 简单点
Jan 11, 2024
Replied to a topic by xoyo Flutter flutter 股票交易系统项目求接单~
@roundgis 主要考虑跟我们整个后台系统技术栈统一,重构后这块后端会变得很轻,没有复杂逻辑
Jan 10, 2024
Replied to a topic by xoyo Flutter flutter 股票交易系统项目求接单~
@Aoyd 是的,选型 flutter 也是想为未来支持移动端准备,只是现阶段聚焦 web / pc
@dhb233 kernel 换页会有预取机制,可以通过 madvice 给出 hint ,也可以通过提前主动访问即将要读的内存,这样不仅把页表结构建好,还把数据加载进 CPU cache
之前写过一篇博客介绍过 mmap 的原理和一些优化思路
http://xoyo.space/2017/11/mmap-performance-analyzing-and-tuning/
@jokeface deferred evaluate
Jan 19, 2014
Replied to a topic by EchoFUN 程序员 求指正一段正则表达式
@mengzhuo 人家这匹配的是xml文本里某个值的内容,用xml解释器怎么做呢?
Sep 18, 2013
Replied to a topic by itfanr 程序员 如何输出一个数组的全排列?
@itfanr Depth first search 深度优先搜索。比如@txx的代码就是。
Sep 18, 2013
Replied to a topic by itfanr 程序员 如何输出一个数组的全排列?
用DFS就可以了~
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