CobbLiu

摘要： The primary tool for inspecting Linux disk performance is iostat. The output includes many important statistics, but they’re difficult for beginners t 阅读全文

摘要： These commonly-used fields in iostat shouldn't be commonly-used. 阅读全文

摘要： 介绍内核RCU的实现机制。 阅读全文

摘要： 失败后的core栈像下面这样： core的原因很显然："Illegal instruction"，指令非法，查看core处的汇编代码： shrx指令属于bmi2指令集，查看运行该binary的机器上有无bmi2指令集： cat /proc/cpuinfo | grep flags 发现该CPU上没有 阅读全文

摘要： The term 'Mock Objects' has become a popular one to describe special case objects that mimic real objects for testing. Most language environments now have frameworks that make it easy to create mock objects. What's often not realized, however, is that mock objects are but one form of special case test object, one that enables a different style of testing. In this article I'll explain how mock objects work, how they encourage testing based on behavior verification, and how the community around th 阅读全文

摘要： 如何忽略特定头文件中的warning 阅读全文

摘要： The CAP theorem asserts that any net­worked shared-data system can have only two of three desirable properties. How­ever, by explicitly handling partitions, designers can optimize consistency and availability, thereby achieving some trade-off of all three. 阅读全文

摘要： EMACS中的C++ 代码风格设置 阅读全文

摘要： 工欲善其事必先利其器，一个高效的代码检查工具会大大提高我们的开发效率。flycheck是Emacs中常用的一个代码编译检查工具，本文记录配置它的时候遇到的一些问题以及解决方法。 阅读全文

摘要： Emacs的补全插件ycmd的安装和配置。 阅读全文