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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm trying to use the foreach loop in an Ant script but I get the message: Problem: failed to create task or type foreach Cause: The name is undefined. I don't understand why this doesn't work. It is not a 3rd party library. It is a standard task that would be part of the latest version of Ant (1.8). 回答1: It is a standard task that would be part of the latest version of Ant (1.8). No, it's not. At least I can't find it in the list of core and optional tasks in the ant manual . It seems to be part of the ant-contrib project and thus needs to

在一次crash的排查过程中，有这么一个内核模块，他需要往上遍历父进程， 但是在拿父进程task_struct中的一个成员的时候，发现为NULL了， 具体查看父进程，原来它收到信号退出中。 那么怎么保证父进程的存在性呢？ 用tasklist_lock这把读写锁即可。 来源： https://www.cnblogs.com/10087622blog/p/11603853.html

** 【理论学习】 ** 学习词袋模型概念：离散、高维、稀疏。 学习分布式表示概念：连续、低维、稠密。 https://blog.csdn.net/spring_willow/article/details/81452162 理解word2vec词向量原理并实践，来表示文本。 https://www.leiphone.com/news/201812/2o1E1Xh53PAfoXgD.html word2vec 中的数学原理详解 https://blog.csdn.net/itplus/article/details/37969519 word2vec原理推导与代码分析 http://www.hankcs.com/nlp/word2vec.html 【NLP学习博客】 推荐 | 一份从入门到精通NLP的完整指南 来源： https://blog.csdn.net/qq_15699467/article/details/98985567