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Get name of current script in Python
... you want to omit the directory part (which might be present), you can use os.path.basename(__file__).
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Check to see if python script is running
...cleanly, and check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
print "%s already exists, exiting" % pidfile
sys.exit()
file(pidfile, 'w').write(pid)
try:
# Do some actual work her...
自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...S = src sdk
规则是不是很简单呢？
除此之外，我们还需要一个configure.in文件，规则也很简单：
#指定项目的一个源文件
AC_INIT(dir1/code2.c)
#指定项目名称和版本号
AM_INIT_AUTOMAKE(prog1, 0.0.1)
#检查编译器
AC_PROG_CC
#输出Makefile文件
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How to rename a file using Python
...
Use os.rename:
import os
os.rename('a.txt', 'b.kml')
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved.
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How to detect my browser version and operating system using JavaScript?
...Agent
else if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
browserName = "Microsoft Internet Explorer";
fullVersion = nAgt.substring(verOffset+5);
}
// In Chrome, the true version is after "Chrome"
else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) {
browserName = "Chrome";
fullVersion = nAgt.substri...
Check OS version in Swift?
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For iOS, try:
var systemVersion = UIDevice.current.systemVersion
For OS X, try:
var systemVersion = NSProcessInfo.processInfo().operatingSystemVersion
If you just want to check if the users is running at least a specifi...
Windows path in Python
...can use always:
'C:/mydir'
this works both in linux and windows.
Other posibility is
'C:\\mydir'
if you have problems with some names you can also try raw string literals:
r'C:\mydir'
however best practice is to use the os.path module functions that always select the correct configuration f...
Python: How to get stdout after running os.system? [duplicate]
I want to get the stdout in a variable after running the os.system call.
6 Answers
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Is there a portable way to get the current username in Python?
...e that works under both Linux and Windows, at least). It would work like os.getuid :
12 Answers
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