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How to write to a file in Scala?

...se a helper function: /** * Used for reading/writing to database, files, etc. * Code From the book "Beginning Scala" * http://www.amazon.com/Beginning-Scala-David-Pollak/dp/1430219890 */ def using[A <: {def close(): Unit}, B](param: A)(f: A => B): B = try { f(param) } finally { param.clos...
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

...t just eats up bytes for no reason and potentially increases cache misses, etc. The noise it makes pretty much makes timing micro-optimizations impossible. How can I make sure that such accidental lucky / unlucky alignments are not interfering when I do micro-optimizations (unrelated to...
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How to execute a raw update sql with dynamic binding in rails

...ure if there are other ramifications to doing this (connections left open, etc). I would trace the Rails code for a normal update to see what it's doing aside from the actual query. Using prepared queries can save you a small amount of time in the database, but unless you're doing this a million ti...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

ZMQ: 基本原理0MQ-The-Theoretical-Foundation介绍与其他基于常规理论基础(集中)通信系统不同,几乎没有分布式通信系统什么资料,ØMQ(ZeroMQ)是感兴趣读者少数能请举出... 介绍 与其他基于常规理论基础...
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

ZMQ: 基本原理0MQ-The-Theoretical-Foundation介绍与其他基于常规理论基础(集中)通信系统不同,几乎没有分布式通信系统什么资料,ØMQ(ZeroMQ)是感兴趣读者少数能请举出... 介绍 与其他基于常规理论基础...
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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术

ZMQ: 基本原理0MQ-The-Theoretical-Foundation介绍与其他基于常规理论基础(集中)通信系统不同,几乎没有分布式通信系统什么资料,ØMQ(ZeroMQ)是感兴趣读者少数能请举出... 介绍 与其他基于常规理论基础...
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Where to place AutoMapper.CreateMaps?

... { Mapper.CreateMap<User,UserViewModel>(); } // ... etc } We create a method for each "aggregate" (User, Post), so things are separated nicely. Then your Global.asax: AutoMapperWebConfiguration.Configure(); AutoMapperServicesConfiguration.Configure(); AutoMapperDomainConfi...
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华为公司新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术

华为公司新产品研发流程管理引言:高效率和高质量似乎永远是一对解不开矛盾。以企业研发环节为例,技术纷繁复杂,更新变幻莫测,如何决策?如何投资?如何预算控制、...引言:高效率和高质量似乎永远是一对解不开...
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企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术

企业级负载平衡简介在之前一篇文章《放好你密码 - 从芝麻金融被攻破说起》中,一位读者在评论中提出了如果整个过程速度比较慢登陆会有问题这样一条评论...在之前一篇文章《放好你密码 - 从芝麻金融被攻破说起》...
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淘宝网采用什么技术架构来实现网站高负载 - 更多技术 - 清泛网 - 专注C/C...

淘宝网采用什么技术架构来实现网站高负载下面就结合淘宝目前一些底层技术框架以及自己一些感触来说说如何构建一个可 伸缩,高性能,高可用性分布式互联网应用。时间过得很快,来淘宝已经两个月了,在这两个...