大约有 47,000 项符合查询结果(耗时:0.0172秒) [XML]

https://stackoverflow.com/ques... 

multi-step registration process issues in asp.net mvc (split viewmodels, single model)

... public string SomeOtherProperty { get; set; } ... } and so on. All those view models could be backed by a main wizard view model: public class WizardViewModel { public Step1ViewModel Step1 { get; set; } public Step2ViewModel Step2 { get; set; } ... } then you could have co...
https://stackoverflow.com/ques... 

How do I remove all .pyc files from a project?

... You are not quoting {}. What would happen if accidentally word-split and deleted an intermediate path which happens to be called like a fragment of the path you found? – Robottinosino Apr 3 '13 at 2:58 ...
https://stackoverflow.com/ques... 

Is arr.__len__() the preferred way to get the length of an array in Python?

...ples: my_tuple = (1,2,3,4,5) len(my_tuple) # 5 And strings, which are really just arrays of characters: my_string = 'hello world' len(my_string) # 11 It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public...
https://stackoverflow.com/ques... 

What does “hashable” mean in Python?

...y and a set member, because these data structures use the hash value internally. All of Python’s immutable built-in objects are hashable, while no mutable containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all comp...
https://stackoverflow.com/ques... 

How to avoid circular imports in Python? [duplicate]

....py Types of circular import problems Circular import dependencies typically fall into two categories depending on what you're trying to import and where you're using it inside each module. (And whether you're using python 2 or 3). 1. Errors importing modules with circular imports In some cases...
https://stackoverflow.com/ques... 

Importing from builtin library when module with same name exists

Situation: - There is a module in my project_folder called calendar - I would like to use the built-in Calendar class from the Python libraries - When I use from calendar import Calendar it complains because it's trying to load from my module. ...
https://stackoverflow.com/ques... 

Standard way to embed version into python package?

...is also used in lots of 3rd-party modules, so it's the quasi-standard. Usually, __version__ is a string, but sometimes it's also a float or tuple. Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly: Module Level Dunder Names Module level "dunders" (i.e. names with two lea...
https://stackoverflow.com/ques... 

How to get the input from the Tkinter Text Widget?

...he end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input...
https://stackoverflow.com/ques... 

Hashing a dictionary?

...e hash(): hash(frozenset(my_dict.items())) This is much less computationally intensive than generating the JSON string or representation of the dictionary. UPDATE: Please see the comments below, why this approach might not produce a stable result. ...
https://stackoverflow.com/ques... 

PowerShell Script to Find and Replace for all Files with a Specific Extension

... I would like to add that testing the solutions provided out all worked, but this one was the easiest for readability. I was able to hand this to a co-worker and he could easily understand what was going on. Thanks for the assistance. – Brandon Ma...