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How do I count a JavaScript object's attributes? [duplicate]
...ect in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free."
Here's one way:
var...
When should I use double instead of decimal?
...ing to offer at least as great precision (someone correct me if I'm wrong) and definitely greater speed for arbitrary real numbers. The simple conclusion is: when considering which to use, always use double unless you need the base 10 accuracy that decimal offers.
Edit:
Regarding your additional q...
What are the reasons why Map.get(Object key) is not (fully) generic
... List.equals() says that two List objects are equal if they are both Lists and have the same contents, even if they are different implementations of List. So coming back to the example in this question, according to the specification of the method is possible to have a Map<ArrayList, Something>...
Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
...
conditional unique constraint
...onstraint like this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT...
Programmer-friendly search engine? [closed]
...gle is unfriendly to searching for verbatim strings with characters like $ and #. Is there a search engine that supports searching for verbatim strings?
...
How do I convert from int to Long in Java?
I keep finding both on here and Google people having troubles going from long to int and not the other way around. Yet I'm sure I'm not the only one that has run into this scenario before going from int to Long .
...
Check if a given key already exists in a dictionary and increment it
...ording to his example, it should be enough to set "defaultdict(lambda: 0)" and skip the entire "if" clause.
– Deestan
Jan 23 '09 at 14:57
...
Launch an app on OS X with command line
I want to launch an app on OSX from a script. I need pass it command line arguments. Unfortunately, open doesn't accept command line args.
...
How can I create a temp file with a specific extension with .NET?
...ent to the odds of
creating a few tens of trillions of
UUIDs in a year and having one
duplicate. In other words, only after
generating 1 billion UUIDs every
second for the next 100 years, the
probability of creating just one
duplicate would be about 50%. The
probability of one duplic...