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Is there a replacement for unistd.h for Windows (Visual C)?
I'm porting a relatively simple console program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random f...
How to execute shell command in Javascript
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Is it possible to do the same thing in a Unix-like operating system such as Linux?
– Anderson Green
Sep 5 '12 at 16:21
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Why is it recommended to have empty line in the end of a source file?
Some code style tools recommend this and I remember seeing some unix command line tools warning about missing empty line.
8...
How do I subtract minutes from a date in javascript?
...ute) //it will print the time and date according to the above condition in Unix-timestamp format.
you can convert Unix timestamp into conventional time by using new Date().for example
var extract=new Date(minute)
console.log(minute)//this will print the time in the readable format.
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How to test an Internet connection with bash?
...ification of the devices connected to the system, whereas many traditional UNIX and Unix-like operating systems use /sys as a symbolic link to the kernel source tree.[citation needed]
From Wikipedia https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard
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How to execute file I'm editing in Vi(m)
...R>
This writes the current buffer, makes the current file executable (unix only), executes it (unix only) and redirects the output to .tmp.xyz, then creates a new tab, reads the file and then deletes it.
Breaking it down:
:w<CR> write current buffer
:silent !...
Escape double quotes in parameter
In Unix I could run myscript '"test"' and I would get "test" .
5 Answers
5
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How to escape os.system() calls?
...the function docstring in the Python source code). shlex.quote conforms to Unix bourne shell syntax, however it isn't usually necessary since Unix has good support for directly passing arguments. Windows pretty much requires that you pass a single string with all your arguments (thus the need for pr...
deciding among subprocess, multiprocessing, and thread in Python?
...le descriptors directly --- though I don't know if this is portable to non-UNIX platforms.
(Update: 7 August 2019: Python 3 support for ayncio subprocesses: asyncio Subprocessses)
subprocess has almost no event handling support ... though you can use the signal module and plain old-school UNIX/Linux...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实时性的场景，主要用于离线的分析。
基于MapRduce模型编程做数据的分析，开发上效率不高，位于hadoop之上Hive的出现使得数据的分析可以类似编写sql的方式进行，sql经过语法分析、生成执行计划后最终生成MapReduce任务进行执行...