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Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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Bootstrap dropdown sub menu missing
Bootstrap 3 is still at RC, but I was just trying to implement it. I couldn't figure out how to put a sub menu class. Even there is no class in css and even the new docs don't say anything about it
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Slowing speed of Viewpager controller in android
...'s code which indeed changed the mScroller field (which is a great start) but didn't help extend the duration of the scroll because ViewPager explicitly passes the duration to the mScroller when requesting to scroll.
Extending ViewPager didn't work as the important method (smoothScrollTo) can't be ...
What does enumerable mean?
...irected to MDN's for..in page when it said, "for..in Iterates over the enumerable properties of an object."
8 Answers
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How to check if a python module exists without importing it
I need to know if a python module exists, without importing it.
13 Answers
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How to add calendar events in Android?
I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
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How to obtain the number of CPUs/cores in Linux from the command line?
I have this script, but I do not know how to get the last element in the printout:
27 Answers
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How do I animate constraint changes?
I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff.
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Detect the Internet connection is offline?
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You can determine that the connection is lost by making failed XHR requests.
The standard approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
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How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
I just watched the WWDC video #216, "Building Adaptive UI with UIKit."
8 Answers
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