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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网移动版...

...版本,以及用户使用何种浏览器等信息,本文主要提供getOS、getBrowser、getBrowserVer三个方法,对网上各方法进行测试汇总整理,持续更新希望能成为最佳实现,欢迎大家多提意见。一、获取操作系统信息: /** * 获取os信息 * ...
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How to set environment variables in Python?

... Environment variables must be strings, so use os.environ["DEBUSSY"] = "1" to set the variable DEBUSSY to the string 1. To access this variable later, simply use: print(os.environ["DEBUSSY"]) Child processes automatically inherit the environment variables of the par...
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Using os.walk() to recursively traverse directories in Python

... This will give you the desired result #!/usr/bin/python import os # traverse root directory, and list directories as dirs and files as files for root, dirs, files in os.walk("."): path = root.split(os.sep) print((len(path) - 1) * '---', os.path.basename(root)) for file in fi...
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Test if executable exists in Python?

... Easiest way I can think of: def which(program): import os def is_exe(fpath): return os.path.isfile(fpath) and os.access(fpath, os.X_OK) fpath, fname = os.path.split(program) if fpath: if is_exe(program): return program else: fo...
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Detecting Windows or Linux? [duplicate]

...he commons lang has a class SystemUtils.java you can use : SystemUtils.IS_OS_LINUX SystemUtils.IS_OS_WINDOWS share | improve this answer | follow | ...
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Deleting all files in a directory with Python

... Via os.listdir and os.remove: import os filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ] for f in filelist: os.remove(os.path.join(mydir, f)) Or via glob.glob: import glob, os, os.path filelist = glob.g...
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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(dirpath, f) # skip if it is symbolic li...
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How do I programmatically determine operating system in Java?

I would like to determine the operating system of the host that my Java program is running programmatically (for example: I would like to be able to load different properties based on whether I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability? ...
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Open file in a relative location in Python

Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' . ...
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How do I get the path and name of the file that is currently executing?

... p1.py: execfile("p2.py") p2.py: import inspect, os print (inspect.getfile(inspect.currentframe()) # script filename (usually with path) print (os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))) # script directory ...
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