大约有 40,000 项符合查询结果(耗时:0.0418秒) [XML]

https://stackoverflow.com/ques... 

PHP and Enumerations

... Depending upon use case, I would normally use something simple like the following: abstract class DaysOfWeek { const Sunday = 0; const Monday = 1; // etc. } $today = DaysOfWeek::Sunday; However, other use cases may require more validation of cons...
https://stackoverflow.com/ques... 

What does functools.wraps do?

... def with_logging(*args, **kwargs): print(func.__name__ + " was called") return func(*args, **kwargs) return with_logging then when you say @logged def f(x): """does some math""" return x + x * x it's exactly the same as saying def f(x): """does some math""" ...
https://stackoverflow.com/ques... 

Abstract classes in Swift Language

... importantly, notice that there is no dynamic dispatch. When logSalary is called on the instance that is stored as a SoftwareEngineer it calls the overridden version of the method. When logSalary is called on the instance after it has been cast to an Employee, it calls the original implementation (i...
https://stackoverflow.com/ques... 

Why aren't python nested functions called closures?

...s in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
https://stackoverflow.com/ques... 

Call a python function from jinja2

I am using jinja2, and I want to call a python function as a helper, using a similar syntax as if I were calling a macro. jinja2 seems intent on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro. ...
https://stackoverflow.com/ques... 

What is the common header format of Python files?

... Its all metadata for the Foobar module. The first one is the docstring of the module, that is already explained in Peter's answer. How do I organize my modules (source files)? (Archive) The first line of each file shoud be #!/us...
https://stackoverflow.com/ques... 

jQuery or CSS selector to select all IDs that start with some string [duplicate]

How can I select all elements whose id starts with "player_"? 4 Answers 4 ...
https://stackoverflow.com/ques... 

How can I mock requests and the response?

...thons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario? 9 Answ...
https://stackoverflow.com/ques... 

java get file size efficiently

...97.044 URL sum: 95534, per Iteration: 382.136 File must be caching the calls to the filesystem, while channels and URL have some overhead. Code: import java.io.*; import java.net.*; import java.util.*; public enum FileSizeBench { LENGTH { @Override public long getResult() ...
https://stackoverflow.com/ques... 

Getting current device language in iOS?

... The solutions provided will actually return the current region of the device - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (Unite...