大约有 40,000 项符合查询结果(耗时:0.0792秒) [XML]

https://stackoverflow.com/ques... 

Accessing dict keys like an attribute?

...__init__(*args, **kwargs) self.__dict__ = self Some pros: It actually works! No dictionary class methods are shadowed (e.g. .keys() work just fine. Unless - of course - you assign some value to them, see below) Attributes and items are always in sync Trying to access non-existent key as an...
https://stackoverflow.com/ques... 

List attributes of an object

...ict__ Then you can test what type is with type() or if is a method with callable(). share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Best way to define error codes/strings in Java?

...blic String getDescription() { return description; } public int getCode() { return code; } @Override public String toString() { return code + ": " + description; } } You may want to override toString() to just return the description instead - not sure. Anyway, the main p...
https://stackoverflow.com/ques... 

Proper way to declare custom exceptions in modern Python?

...tionError(Exception): def __init__(self, message, errors): # Call the base class constructor with the parameters it needs super(ValidationError, self).__init__(message) # Now for your custom code... self.errors = errors That way you could pass dict of error me...
https://stackoverflow.com/ques... 

Python's equivalent of && (logical-and) in an if-statement

... different name in Python. The logical operators && and || are actually called and and or. Likewise the logical negation operator ! is called not. So you could just write: if len(a) % 2 == 0 and len(b) % 2 == 0: or even: if not (len(a) % 2 or len(b) % 2): Some additional information (...
https://stackoverflow.com/ques... 

Lodash - difference between .extend() / .assign() and .merge()

...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination. Here's simple JSBin that would make this crystal clear: http://jsbin.co...
https://stackoverflow.com/ques... 

What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula

... So if am pretty comfortable with JQuery JS etc. I need not be concentrating on JSF? – sushil bharwani Dec 12 '10 at 14:10 2 ...
https://stackoverflow.com/ques... 

Sample settings.xml for maven

...v-dev', | 'env-test', 'env-production', 'user-jdcasey', 'user-brett', etc. This | will make it more intuitive to understand what the set of introduced | profiles is attempting to accomplish, particularly when you only have a | list of profile id's for debug. | | This pr...
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 ...