大约有 6,100 项符合查询结果(耗时:0.0191秒) [XML]

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How can I dynamically create derived classes from a base class

...ames in the naming scope -- now, that is not considered a good practice in Python - you either have variable names, known at coding time, or data - and names learned in runtime are more "data" than "variables" - So, you could just add your classes to a dictionary and use them from there: name = "...
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Get Output From the logging Module in IPython Notebook

When I running the following inside IPython Notebook I don't see any output: 8 Answers ...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

...way you avoid the need for an extra lookup by if index < len(my_list). Python encourages the use of exceptions, which you handle is a phrase from Dive Into Python. Your example not only handles the exception (gracefully), rather than letting it silently pass, also the exception occurs only in th...
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What is “pom” packaging in maven?

... Real life use case At a Java-heavy company we had a python project that needed to go into a Nexus artifact repository. Python doesn't really have artifacts, so simply just wanted to .tar or .zip the python files and push. The repo already had maven integration, so we used &l...
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Django gives Bad Request (400) when DEBUG = False

...Directory /static/                          /opt/python/current/app/yourpj/static/ /media/                        /opt/python/current/app/Nuevo/media/ I hope it helps you. PD: sorry for my bad english. ...
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he

...ebugging multithreaded processes. Note your GDB needs to be compiled with Python support, which is not an issue with current linux distros. To be sure, you can check it by running show configuration inside GDB and searching for --with-python. This little oneliner does the trick, too: $ gdb -n -quie...
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Bundling data files with PyInstaller (--onefile)

... I'm using pyinstaller 2 with python 2.7 and I don't have _MEIPASS2 in envs, but sys._MEIPASS works well, so +1. I suggest: path = getattr(sys, '_MEIPASS', os.getcwd()) – kbec Feb 28 '13 at 14:22 ...
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RabbitMQ / AMQP: single queue, multiple consumers for same message?

...essages. have a look at http://www.rabbitmq.com/tutorials/tutorial-three-python.html http://www.rabbitmq.com/tutorials/tutorial-four-python.html http://www.rabbitmq.com/tutorials/tutorial-five-python.html for different ways to route messages. I know they are for python and java but its good to u...
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type object 'datetime.datetime' has no attribute 'datetime'

...import datetime >>> datetime <module 'datetime' from '/usr/lib/python2.6/lib-dynload/datetime.so'> >>> datetime.datetime(2001,5,1) datetime.datetime(2001, 5, 1, 0, 0) But, if you import datetime.datetime: >>> from datetime import datetime >>> datetime &lt...
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Interview question: Check if one string is a rotation of other string [closed]

... Another python example (based on THE answer): def isrotation(s1,s2): return len(s1)==len(s2) and s1 in 2*s2 share ...