大约有 48,000 项符合查询结果(耗时:0.0685秒) [XML]

https://stackoverflow.com/ques... 

How does Django's Meta class work?

I am using Django which allows people to add extra parameters to a class by using class Meta . 6 Answers ...
https://stackoverflow.com/ques... 

python NameError: global name '__file__' is not defined

... I had the same problem with PyInstaller and Py2exe so I came across the resolution on the FAQ from cx-freeze. When using your script from the console or as an application, the functions hereunder will deliver you the "execution path", not the "actual file pa...
https://stackoverflow.com/ques... 

What's the difference between :: (double colon) and -> (arrow) in PHP?

... used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members). In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static...
https://stackoverflow.com/ques... 

Elegant setup of Python logging in Django

...nowhere else. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and sometimes logging.Filters to get the events I want to the appropriate file...
https://stackoverflow.com/ques... 

ViewPager.setOffscreenPageLimit(0) doesn't work as expected

...ut this in LogCat, something like: Requested offscreen page limit 0 too small; defaulting to 1 share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...t is both commutative and associative. This means the operation can be parallelized. This distinction is very important for Big Data / MPP / distributed computing, and the entire reason why reduce even exists. The collection can be chopped up and the reduce can operate on each chunk, then the red...
https://stackoverflow.com/ques... 

How to pretty print nested dictionaries?

... This is cool, but doesn't print all dictionaries well. print json.dumps(myObject.__dict__, sort_keys=True, indent=4) #TypeError: <object at 0x0000000002E6A748> is not JSON serializable – tponthieux Feb 8 '12 at 2...
https://stackoverflow.com/ques... 

Assigning a variable NaN in python without numpy

...aking) be said to be equal to one another -- see What is the rationale for all comparisons returning false for IEEE754 NaN values? for more details and information. Instead, use math.isnan(...) if you need to determine if a value is NaN or not. Furthermore, the exact semantics of the == operation...
https://stackoverflow.com/ques... 

What is the best way to prevent session hijacking?

Specifically this is regarding when using a client session cookie to identify a session on the server. 12 Answers ...
https://stackoverflow.com/ques... 

How to make an array of arrays in Java

Hypothetically, I have 5 string array objects: 4 Answers 4 ...