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Length of generator output [duplicate]

Python provides a nice method for getting length of an eager iterable, len(x) that is. But I couldn't find anything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like: ...
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Split column at delimiter in data frame [duplicate]

I would like to split one column into two within at data frame based on a delimiter. For example, 6 Answers ...
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Readonly Properties in Objective-C?

I have declared a readonly property in my interface as such: 7 Answers 7 ...
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Is it better to return null or empty collection?

That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ? ...
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show all tags in git log

Why does git log --decorate not display more than one tag per commit? 3 Answers 3 ...
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How do I record audio on iPhone with AVAudioRecorder?

Now that iPhone 3.0 SDK is public, I think I can ask this question for those of you that have already been playing with the 3.0 SDK. I want to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any...
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How to increment a datetime by one day?

How to increment the day of a datetime? 7 Answers 7 ...
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When to use valueChangeListener or f:ajax listener?

What's the difference between the following two pieces of code - with regards to listener placement? 2 Answers ...
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?

What is the difference between Class.forName() and Class.forName().newInstance() ? 9 Answers ...
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Programmatically create a UIView with color gradient

I'm trying to generate a view with a gradient color background (A solid color to transparent) at runtime. Is there a way of doing that? ...