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What are good uses for Python3's “Function Annotations”
...have a method that must not be invoked with a negative value, but it's not intuitive from the name). With annotations, I could technicall write something like this for Python. Similarly, a tool that organizes methods in a large class based on tags can be written if there is an official syntax.
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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...
Notification passes old Intent Extras
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You are sending the same request code for your pending intens.
Change this:
PendingIntent contentIntent = PendingIntent.getActivity(context, 0, notificationIntent, 0);
To:
PendingIntent contentIntent = PendingIntent.getActivity(context, UNIQUE_INT_PER_CALL, notificationIntent...
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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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 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 get element by innerText
...electorAll(haystack), 0);
}
// if haystack has a length property, we convert it to an Array
// (if it's already an array, this is pointless, but not harmful):
else if (haystack.length) {
elems = [].slice.call(haystack, 0);
}
// work out whether we're looking at innerText (IE...
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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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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