大约有 13,000 项符合查询结果（耗时：0.0631秒） [XML]
What's the difference between eval, exec, and compile?
I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
I'm a Python newbie, but I've just spent a day working out how to get MySQLdb working properly, and the universe according to google includes numerous references to what a PITA it is, and an inordinate number of guides that seem to be outdated. Given that this site is intended to address these sort...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
I have two Python dictionaries, and I want to write a single expression that returns these two dictionaries, merged (i.e. taking the union). The update() method would be what I need, if it returned its result instead of modifying a dictionary in-place.
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Strengths of Shell Scripting compared to Python [closed]
...(bash) scripting few times but was driven away by the syntax. Then I found Python and was able to do most of the things a shell script can do in Python. I am now not sure whether I should invest my time in learning shell scripting anymore. So I want to ask:
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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
... of my Django apps ( C:\My_Projects ). I want to add this directory to my PYTHONPATH so I can call the apps directly.
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How to flush output of print function?
How do I force Python's print function to output to the screen?
13 Answers
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
I have a Python codebase, built for Python 3, which uses Python 3 style open() with encoding parameter:
6 Answers
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Where is Python's sys.path initialized from?
Where is Python's sys.path initialized from?
2 Answers
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mysql_config not found when installing mysqldb python interface
I am trying to get a Python script to run on the linux server I'm connected to via ssh. The script uses mysqldb. I have all the other components I need, but when I try to install mySQLdb via setuptools like so:,
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How to step through Python code to help debug issues?
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Yes! There's a Python debugger called pdb just for doing that!
You can launch a Python program through pdb by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb...