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Good example of livelock?

I understand what livelock is, but I was wondering if anyone had a good code-based example of it? And by code-based, I do not mean "two people trying to get past each other in a corridor". If I read that again, I'll lose my lunch. ...
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How do I move a tab in Notepad++ to a new window?

... You can right click the tab and select move to or open in new instance. This only works for files that are not dirty (when the tab icon is not red). share | ...
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Using multiple arguments for string formatting in Python (e.g., '%s … %s')

I have a string that looks like '%s in %s' and I want to know how to seperate the arguments so that they are two different %s. My mind coming from Java came up with this: ...
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Does setWidth(int pixels) use dip or px?

... The applyDimension() version executes more code and it a bit more difficult to read I find. FWIW, the line I posted is what we actually use all over the place in the framework and standard apps. – Romain Guy Mar 9 '10 at 5:25 ...
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val-mutable versus var-immutable in Scala

...that means is that, if I have an expression "e", I could make a val x = e, and replace e with x. This is the property that mutability break. Whenever you need to make a design decision, maximize for referential transparency. As a practical matter, a method-local var is the safest var that exists, s...
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Can virtual functions have default parameters?

If I declare a base class (or interface class) and specify a default value for one or more of its parameters, do the derived classes have to specify the same defaults and if not, which defaults will manifest in the derived classes? ...
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Regex how to match an optional character

...{3})([A-Z]{3})([A-Z]{3})\s+([A-Z])[0-9]{3}([0-9]{4})([0-9]{2})([0-9]{2}) And, since in most regex dialects, \d is the same as [0-9]: ^(\d{5})+\s+([A-Z]?)\s+([A-Z])(\d{3})(\d{3})([A-Z]{3})([A-Z]{3})\s+([A-Z])\d{3}(\d{4})(\d{2})(\d{2}) But: do you really need 11 separate capturing groups? And if ...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

.... Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are still in the clipboard, so we can paste it multiple times without copying each time). We only have to consi...
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How to create an empty file at the command line in Windows?

How to create an empty file at the DOS/Windows command-line? 32 Answers 32 ...
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HTML 5 Favicon - Support?

... link only answers so I thought I would summarize the links into an answer and what I will be using. When working to create Cross Browser Favicons (including touch icons) there are several things to consider. The first (of course) is Internet Explorer. IE does not support PNG favicons until versi...