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Computational complexity of Fibonacci Sequence

... 385 You model the time function to calculate Fib(n) as sum of time to calculate Fib(n-1) plus the ti...
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Center content of UIScrollView when smaller

...tX = MAX((scrollView.bounds.size.width - scrollView.contentSize.width) * 0.5, 0.0); CGFloat offsetY = MAX((scrollView.bounds.size.height - scrollView.contentSize.height) * 0.5, 0.0); subView.center = CGPointMake(scrollView.contentSize.width * 0.5 + offsetX, ...
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How to round up to the nearest 10 (or 100 or X)?

...nice base values from 1 to 10. The default is set to the even numbers plus 5. roundUpNice <- function(x, nice=c(1,2,4,5,6,8,10)) { if(length(x) != 1) stop("'x' must be of length 1") 10^floor(log10(x)) * nice[[which(x <= 10^floor(log10(x)) * nice)[[1]]]] } The above doesn't work when...
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What makes a keychain item unique (in iOS)?

... +50 The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp): For a key...
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Setting different color for each series in scatter plot on matplotlib

... | edited Jul 9 at 20:58 vinzee 7,44399 gold badges3131 silver badges4848 bronze badges answered Sep...
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Should accessing SharedPreferences be done off the UI Thread?

...ch! – cottonBallPaws Dec 7 '10 at 1:50 9 For the benefit of new readers of this wonderful post, f...
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Gray out image with CSS?

...| edited Mar 22 '13 at 9:35 Taz 3,39722 gold badges3131 silver badges5252 bronze badges answered Nov 13 ...
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Remove shadow below actionbar

...ull</item> </style> UPDATE: As @Quinny898 stated, on Android 5.0 this has changed, you have to call setElevation(0) on your action bar. Note that if you're using the support library you must call it to that like so: getSupportActionBar().setElevation(0); ...
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How do I add a submodule to a sub-directory?

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MongoDB with redis

... 158 Redis and MongoDB can be used together with good results. A company well-known for running Mong...