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为什么actors没有堆栈

Posted by 夏泽民 Feb 24, 2020

On pp 590-593 of Programming in Scala this is discussed in more detail: basically the react method never returns normally (it terminates with an exception) and therefore its call stack does not need to be preserved. You can think of it as looping forever.

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php Traits

Posted by 夏泽民 Feb 24, 2020

在计算机编程中，Traits是面向对象编程中使用的一种概念，它表示一组可用于扩展类功能的方法

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Mixin

Posted by 夏泽民 Feb 24, 2020

Mixin 就是 混入的意思，主要是为了解决多重继承 带来复杂继承链的问题，或者说是多重继承实现的一种技巧 https://www.liaoxuefeng.com/wiki/897692888725344/923030524000032 https://www.zhihu.com/question/20778853 Mixin 在设计类的继承关系时，通常，主线都是单一继承下来的，例如，Ostrich继承自Bird。但是，如果需要“混入”额外的功能，通过多重继承就可以实现，比如，让Ostrich除了继承自Bird外，再同时继承Runnable。这种设计通常称之为Mixin。

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Docker容器内部使用gdb进行debug

Posted by 夏泽民 Feb 21, 2020

安全计算模式（secure computing mode，seccomp）是 Linux 内核功能，可以使用它来限制容器内可用的操作。

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seccomp

Posted by 夏泽民 Feb 21, 2020

什么是seccomp seccomp（全称securecomputing mode）是linuxkernel从2.6.23版本开始所支持的一种安全机制。

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