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Do I really have a car in my garage? [duplicate]
...make the difference between Car and Boat in your garage, then you should store them in distinct structures.
For instance:
public class Garage {
private List<Car> cars;
private List<Boat> boats;
}
Then you can define methods that are specific on boats or specific on cars.
Why...
Best practice for Python assert
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To be able to automatically throw an error when x become less than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
s...
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在 App Inventor 2 中使用图像，避免一些常见的陷阱！
Out of memory errors
An example of misusing large images
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What are all the different ways to create an object in Java?
Had a conversation with a coworker the other day about this.
22 Answers
22
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How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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typedef struct vs struct definitions [duplicate]
...uct name space (not in the C++ sense). You can use it and define variables or function arguments of the newly defined type by defining the type of the argument as struct S:
void f( struct S argument ); // struct is required here
The second line adds a type alias S in the global name space and thu...
How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
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C# DateTime to “YYYYMMDDHHMMSS” format
I want to convert a C# DateTime to "YYYYMMDDHHMMSS" format. But I don't find a built in method to get this format? Any comments?
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How to use enums as flags in C++?
Treating enum s as flags works nicely in C# via the [Flags] attribute, but what's the best way to do this in C++?
22 Ans...
Determine on iPhone if user has enabled push notifications
I'm looking for a way to determine if the user has, via settings, enabled or disabled their push notifications for my application.
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