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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...进程由一个进程统一进行管理，该进程负责在需要的时候调用其他进程，这个管理进程就是master进程。该进程也是一个后台程序。
这些postfix进程是可以配置的，我们可以配置每个进程运行的数目，可重用的次数，生存的时间...
Statistics: combinations in Python
...ersions of scipy). When exact is False, it uses the gammaln function to obtain good precision without taking much time. In the exact case it returns an arbitrary-precision integer, which might take a long time to compute.
sh...
How to get back to most recent version in Git?
... @Nathan: In git a branch is really mostly a movable pointer to a certain revision. So conceptually, you're sort of creating a branch, but not in the sense that git thinks of branches.
– DLH
Aug 24 '10 at 17:26
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窝窝与众美联合并 新公司命名“众美窝窝” - 资讯 - 清泛网 - 专注C/C++及内核技术
...面就会实现在线化，也会形成很多活的数据，能够被随时调用和参阅。在线化的数据具有很强的流动性，可以比较低的成本交换，并且数据只有真正流动起来，它的价值才能得以最大限度地发挥。
三、打造生活服务生态 不仅是...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
...bject.ve-c简介
3.2.1. 定义类
3.2.2 类名作为类型
3.2.3 消息(调用方法)
3.2.4 类对象和对象创建
3.2.5 内存管理
3.3 Object.ve-C添加
3.3.1. 运行时
3.3.2 名称
3.3.3 消息表达式
3.3.4 编译器指令
3.3.5 直接量字符串
3.3.6 Object.ve-C关键字
3.3...
What does collation mean?
... @Piskvor: aren't coordinates in your info pointing to a certain country using an alphabet with 42 letters, 15 of them having diacritics?
– Quassnoi
Dec 27 '10 at 13:07
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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。
废话少说，首先，我们需要知道TCP在网络OSI的七层模型中的第四层——Transport层，IP在第三层——Network层，ARP在第二层——Data Link层，在第二层上的数据，我们叫Frame，在第三层上的数据叫Packet，第四层的数据叫Segment。
首...
When should I use genetic algorithms as opposed to neural networks? [closed]
...e useful for recognizing patterns. They follow a simplistic model of the brain, and by changing a number of weights between them, attempt to predict outputs based on inputs.
They are two fundamentally different entities, but sometimes the problems they are capable of solving overlap.
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SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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