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How can I use Python to get the system hostname?
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Use socket and its gethostname() functionality. This will get the hostname of the computer where the Python interpreter is running:
import socket
print(socket.gethostname())
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How to read/write from/to file using Go?
...to read and write files in Go.
Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO.
In the following examples I copy a file by reading from it and writing to the destination file.
Start with the basics
package main
impo...
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...
Technically, why are processes in Erlang more efficient than OS threads?
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There are several contributing factors:
Erlang processes are not OS processes. They are implemented by the Erlang VM using a lightweight cooperative threading model (preemptive at the Erlang level, but under the control of a cooperatively scheduled runtime). This means that it is much chea...
How to use the C socket API in C++ on z/OS
...'m having issues getting the C sockets API to work properly in C++ on z/OS .
9 Answers
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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...
Python, add trailing slash to directory string, os independently
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os.path.join(path, '') will add the trailing slash if it's not already there.
You can do os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
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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...
How to clear the interpreter console?
Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc.
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