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What is polymorphism, what is it for, and how is it used?
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If you think about the Greek roots of the term, it should become obvious.
Poly = many: polygon = many-sided, polystyrene = many styrenes (a), polyglot = many languages, and so on.
Morph = change or form: morphology = study of biolog...
How to split a string in Java
I have a string, "004-034556" , that I want to split into two strings:
35 Answers
35
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UITableViewCell, show delete button on swipe
How do I get the delete button to show when swiping on a UITableViewCell ? The event is never raised and the delete button never appears.
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How to check iOS version?
...check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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Declaring variables inside loops, good practice or bad practice?
Question #1: Is declaring a variable inside a loop a good practice or bad practice?
6 Answers
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Parse string to DateTime in C#
I have date and time in a string formatted like that one:
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Read a variable in bash with a default value
I need to read a value from the terminal in a bash script. I would like to be able to provide a default value that the user can change.
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new keyword in method signature
While performing a refactoring, I ended up creating a method like the example below. The datatype has been changed for simplicity's sake.
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How to Unit test with different settings in Django?
Is there any simple mechanism for overriding Django settings for a unit test? I have a manager on one of my models that returns a specific number of the latest objects. The number of objects it returns is defined by a NUM_LATEST setting.
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How do I implement __getattribute__ without an infinite recursion error?
I want to override access to one variable in a class, but return all others normally. How do I accomplish this with __getattribute__ ?
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