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Using a strategy pattern and a command pattern
...lementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't.
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What is the point of “final class” in Java?
...are the whole class as final . I cannot think of anything where I'd use this.
22 Answers
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What is __init__.py for?
What is __init__.py for in a Python source directory?
12 Answers
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In the shell, what does “ 2>&1 ” mean?
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File descriptor 1 is the standard output (stdout).
File descriptor 2 is the standard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stde...
Is it possible to await an event instead of another async method?
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edited Oct 12 '12 at 22:03
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Can I use the range operator with if statement in Swift?
Is it possible to use the range operator ... and ..< with if statement. Maye something like this:
6 Answers
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Which is the correct shorthand - “regex” or “regexp” [closed]
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edited Apr 17 '12 at 14:42
Tim Cooper
138k3434 gol...
How do I interpolate strings?
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string mystr = string.Format("This is {0}overflow", strVar);
And you could also use named parameters instead of indexes.
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How to compare two NSDates: Which is more recent?
... to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone.
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Is the sizeof(some pointer) always equal to four?
..., long long* , everything that I've tried. Are there any exceptions to this?
17 Answers
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