大约有 40,000 项符合查询结果(耗时:0.0371秒) [XML]

https://stackoverflow.com/ques... 

Can modules have properties the same way that objects can?

...s? When I put this code in one file x.py and import it from another, then calling x.y results in AttributeError: 'NoneType' object has no attribute 'c', since _M somehow has value None... – Stephan202 May 19 '09 at 1:35 ...
https://stackoverflow.com/ques... 

Set attributes from dictionary in python

...key]) Update As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well: class Employee(object): def __init__(self, *initial_data, **kwargs): for dictionary in initial_data: for key in dictionary: setattr(self, key, dicti...
https://stackoverflow.com/ques... 

The object 'DF__*' is dependent on column '*' - Changing int to double

Basically I got a table in my EF database with the following properties: 8 Answers 8 ...
https://stackoverflow.com/ques... 

How do I correctly clean up a Python object?

...it close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs. To use the with statement, create a class with the following methods: def __enter__(self) def __exit__(self...
https://stackoverflow.com/ques... 

jsonify a SQLAlchemy result set in Flask [duplicate]

... It seems that you actually haven't executed your query. Try following: return jsonify(json_list = qryresult.all()) [Edit]: Problem with jsonify is, that usually the objects cannot be jsonified automatically. Even Python's datetime fails ;) Wha...
https://stackoverflow.com/ques... 

How do I get the number of elements in a list?

...turns 3. Explanation Everything in Python is an object, including lists. All objects have a header of some sort in the C implementation. Lists and other similar builtin objects with a "size" in Python, in particular, have an attribute called ob_size, where the number of elements in the object is...
https://stackoverflow.com/ques... 

Running unittest with typical test directory structure

...on -m unittest test.test_antigravity.GravityTestCase.test_method Running all tests: You can also use test discovery which will discover and run all the tests for you, they must be modules or packages named test*.py (can be changed with the -p, --pattern flag): $ cd new_project $ python -m unitte...
https://stackoverflow.com/ques... 

How do I get the path and name of the file that is currently executing?

I have scripts calling other script files but I need to get the filepath of the file that is currently running within the process. ...
https://stackoverflow.com/ques... 

Can scrapy be used to scrape dynamic content from websites that are using AJAX?

...and am dipping my hand into building a web-scraper. It's nothing fancy at all; its only purpose is to get the data off of a betting website and have this data put into Excel. ...
https://stackoverflow.com/ques... 

How can you set class attributes from variable arguments (kwargs) in python

...riable number of arguments and then sets them as class attributes conditionally. 10 Answers ...