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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
Linux下追踪程序退出(崩溃)思路linux-issue-trackingLinux下追踪程序退出(崩溃)思路；history命令用法；linux下查看所有登录用户的历史操作命令。
Linux下程序退出(崩溃)时总会留下一些蛛丝马迹，问题追踪思路总结如下：
1、查看程序...
Win7以上操作系统清理系统图标缓存脚本 - 脚本技术 - 清泛IT论坛，有思想、有深度
本帖最后由 沧海一粟 于 2015-07-21 13:43 编辑
rem 关闭Windows外壳程序explorer
taskkill /f /im explorer.exe
rem 清理系统图标缓存数据库
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib...
How to fix “Attempted relative import in non-package” even with __init__.py
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@MarkAmery Almost lost my mind trying to grok how all this works, relative imports within a project with subdirectories with py files that have __init__.py files yet you keep getting the ValueError: Attempted relative import in non-package...
Installing Java on OS X 10.9 (Mavericks)
I have installed the JDK on Mac OS X v10.8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
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Get a filtered list of files in a directory
... Oh, I just noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben Hoyt
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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...增加与之相应的引用计数；对一个对象进行赋值时，赋值操作符减少左操作数所指对象的引用计数（如果引用计数为减至0，则删除对象），并增加右操作数所指对象的引用计数；调用析构函数时，构造函数减少引用计数（如果...
What is the relationship between the docker host OS and the container base image OS?
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As mentioned by BraveNewCurrency, the only relationship between the host OS and the container is the Kernel.
It is one of the main difference between docker and 'regular' virtual machines, there is no overhead, everything takes place directly within the host's kernel.
This is why you can run...
is vs typeof
...The second line, if (obj.GetType() == typeof(ClassA)) {}, is faster, for those that don't want to read the article.
(Be aware that they don't do the same thing)
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...黑帮之间的通信中被阐明。 1978年，在Jim Gray的《数据库操作系统注意事项》一书中（从第465页开始）被命名为两个将军悖论。作为两个将军问题的定义和无解性的证明的来源，这一参考被广泛提及。
这个实验意在阐明：试图通...
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
...常会超出很多人的认知：如果服务实例崩溃但是承载它的操作系统正常工作，那么该操作系统仍然会正常响应负载平衡服务器所发出的Ping命令，只是此时TCP连接会失败；如果服务实例并没有崩溃，而只是挂起，那么它仍然可以...