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Are getters and setters poor design? Contradictory advice seen [duplicate]
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There is also the point of view that most of the time, using setters still breaks encapsulation by allowing you to set values that are meaningless. As a very obvious example, if you have a score counter on the game that only ever goes up, instea...
Javascript Thousand Separator / string format [duplicate]
...1' + ',' + '$2');
}
return x1 + x2;
}
Edit:
To go the other way (convert string with commas to number), you could do something like this:
parseFloat("1,234,567.89".replace(/,/g,''))
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
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for index in -20...20 {
if let item = array[safe: index] {
print(item)
}
}
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How do I discover memory usage of my application in Android?
...fficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. (Pretty much every time I look at memory usage numbers with other engineers, there is always a long discussion about what they actually mean that only results in a vagu...
Calling C++ class methods via a function pointer
How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write:
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Accessing a Dictionary.Keys Key through a numeric index
I'm using a Dictionary<string, int> where the int is a count of the key.
15 Answers
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How to get image height and width using java?
...imple and handy.
BufferedImage bimg = ImageIO.read(new File(filename));
int width = bimg.getWidth();
int height = bimg.getHeight();
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How to handle Objective-C protocols that contain properties?
...en in the modern runtime, or you need to duplicate the "@property" in your interface definition to get auto-synthesis.
– Jeffrey Harris
Jun 18 '13 at 16:34
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C++, variable declaration in 'if' expression
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As of C++17 what you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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How can I initialize a C# List in the same line I declare it. (IEnumerable string Collection Example
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It's not quite translated into that, at least not in general. The assignment to the variable happens after all the Add calls have been made - it's as if it uses a temporary variable, with list = tmp; at the end. This can be important if you're reassig...