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How to list imported modules?
...
import sys
sys.modules.keys()
An approximation of getting all imports for the current module only would be to inspect globals() for modules:
import types
def imports():
for name, val in globals().items():
if isinstanc...
How do I find a default constraint using INFORMATION_SCHEMA?
...ying to test if a given default constraint exists. I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...本机操作系统提供的应用程序编程接口（Application Program Interfaces，API），而这使得代码不能在平台之间移植。以下面的简单情况为例：您需要确定某个文件是否是 Directory 类型。在 Microsoft® Windows® 平台中，可以通过调用 GetA...
multiple prints on the same line in Python
...
You can use the print statement to do this without importing sys.
def install_xxx():
print "Installing XXX... ",
install_xxx()
print "[DONE]"
The comma on the end of the print line prevents print from issuing a new line (you should note that there will be an extra space at ...
How to read a single character from the user?
...elf.impl()
class _GetchUnix:
def __init__(self):
import tty, sys
def __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.rea...
Python exit commands - why so many and when should each be used?
... stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
4 Answers
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How do I see active SQL Server connections?
...
when you have to filter for specific db selecting from sys.sysprocesses is better
– Iman
Dec 2 '13 at 4:29
2
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Display help message with python argparse when script is called without any arguments
...override the default behavior of the error method:
import argparse
import sys
class MyParser(argparse.ArgumentParser):
def error(self, message):
sys.stderr.write('error: %s\n' % message)
self.print_help()
sys.exit(2)
parser = MyParser()
parser.add_argument('foo', nargs...
Add primary key to existing table
...g the query below:
select OBJECT_NAME(OBJECT_ID) AS NameofConstraint
FROM sys.objects
where OBJECT_NAME(parent_object_id)='Persion'
and type_desc LIKE '%CONSTRAINT'
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...ier-authlib-0.62.4.tar.bz2
extmail-1.2.tar.gz
extman-1.1.tar.gz
Unix-Syslog-1.1.tar.gz
perl-GD-2.35-1.el5.rf.i386.rpm
rrdtool-1.2.23
Time-HiRes-1.9725.tar.gz
File-Tail-0.99.3.tar.gz
一、环境配置
1、安装一下过程中所依赖的一些rpm包
yum install -y tcl-dev...