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How to set entire application in portrait mode only?
... is not working. it turns to landscape mode when i turned the device. and more thing in code i am using these setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR); instructions for the progress bar. is any problem with th...
How to disable back swipe gesture in UINavigationController on iOS 7
...r. Or, you can implement UIGestureRecognizerDelegate protocol with your more complex logic and set it as recognizer.delegate property.
– ArtFeel
Nov 25 '13 at 12:25
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How can building a heap be O(n) time complexity?
...til it is in the correct location.
Which implementation for buildHeap is more efficient?
Both of these solutions will produce a valid heap. Unsurprisingly, the more efficient one is the second operation that uses siftDown.
Let h = log n represent the height of the heap. The work required for the s...
Why are primes important in cryptography?
...1) are made up of primes, so you deal with primes a lot in number theory.
More specifically, some important cryptographic algorithms such as RSA critically depend on the fact that prime factorization of large numbers takes a long time. Basically you have a "public key" consisting of a product of tw...
Select random lines from a file
...
so is this in essence more random that sort -R ?
– Mona Jalal
Mar 9 '17 at 3:06
1
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Django: Get an object form the DB, or 'None' if nothing matches
...swer to this question can be found below by @kaapstorm, and is clearly the more suitable answer. Abusing filter() this way can lead to unexpected consequences, something which OP probably didn't realize (unless I'm missing something here)
– sleepycal
Mar 13 '14...
Loop code for each file in a directory [duplicate]
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Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects?
– Zero3
May 10 '15 at 15:57
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How can I decode HTML characters in C#?
... It's supposed to be in System.Web, but it isn't. I haven't touched C# for more that a year, if I get a bit more frustrated with this I'll convert them manually.
– Vasil
Sep 23 '08 at 18:10
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How do I save and restore multiple variables in python?
...hen use the best available protocol instead of the default historical (and more backward-compatible) protocol. In this case, the file must be opened in binary mode (wb and rb, respectively).
The binary mode should also be used with Python 3, as its default protocol produces binary (i.e. non-text) ...
How to find the statistical mode?
...
One more solution, which works for both numeric & character/factor data:
Mode <- function(x) {
ux <- unique(x)
ux[which.max(tabulate(match(x, ux)))]
}
On my dinky little machine, that can generate & find the ...