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Best explanation for languages without null
...private bool isShut
private bool isLocked
and it is clear how to map my three states into these two boolean variables. But this leaves a fourth, undesired state available: isShut==false && isLocked==true. Because the types I have selected as my representation admit this state, I must...
Difference between Dictionary and Hashtable [duplicate]
... to get similar behavior.
If you need multiple values per key, check out my sourcecode of MultiValueDictionary here:
multimap in .NET
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How to create abstract properties in python abstract classes
...+: (python docs):
class C(ABC):
@property
@abstractmethod
def my_abstract_property(self):
...
Python 2: (python docs)
class C(ABC):
@abstractproperty
def my_abstract_property(self):
...
...
Clearing purchases from iOS in-app purchase sandbox for a test user
...our app and install it again.
I've successfully used SimStoreKit to debug my app's store front before testing with the sandbox. The beauty of this library is that it can be set-up to use the same class names as the real StoreKit framework (by doing #define ILSimReplaceRealStoreKit 1 before doing #i...
Finding the index of an item in a list
...be present in the list, you should either
Check for it first with item in my_list (clean, readable approach), or
Wrap the index call in a try/except block which catches ValueError (probably faster, at least when the list to search is long, and the item is usually present.)
...
How to make a class JSON serializable
..., see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
def default(self, o):
return o.__dict__
>>> MyEncoder().encode(f)
'{"fname": "/foo/bar"}'
Then you pass this class into the json.dumps() method as cls kwarg:
json.d...
How to style a JSON block in Github Wiki?
...but didn't like the way it looked. javascript looks a bit more pleasing to my eye.
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Returning a value from thread?
...nd IAsyncResult and return value from EndInvoke() method:
delegate object MyFunc();
...
MyFunc x = new MyFunc(() => {
//Some work...
return 42; });
IAsyncResult asyncResult = x.BeginInvoke(null, null);
object result = x.EndInvoke(asyncResult);
C) You can use BackgroundWorker class. In...
Handling the window closing event with WPF / MVVM Light Toolkit
...dle the Closing event (when a user clicks the upper right 'X' button) of my window in order to eventually display a confirm message or/and cancel the closing.
...
Mocking objects with Moq when constructor has parameters
...regards to the problem, an alternative is to use an AutoMocking container. My favorite is Machine.Fakes in conjunction with Machine.Specifications, using an automocking container makes it easier to test smaller surface areas. Suppose Andrew needed to test a method in CustomerSyncEngine that only use...