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What's the UIScrollView contentInset property for?

...enclosing scroll view. Obj-C aScrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 7.0); Swift 5.0 aScrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 7.0) Here's a good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll rep...
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Why does the indexing start with zero in 'C'?

...f the array is exactly contained in the memory location that array refers (0 elements away), so it should be denoted as array[0]. For more info: http://developeronline.blogspot.com/2008/04/why-array-index-should-start-from-0.html ...
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How to smooth a curve in the right way?

...bove. import numpy as np import matplotlib.pyplot as plt x = np.linspace(0,2*np.pi,100) y = np.sin(x) + np.random.random(100) * 0.2 yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3 plt.plot(x,y) plt.plot(x,yhat, color='red') plt.show() UPDATE: It has come to my attention t...
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What do the different readystates in XMLHttpRequest mean, and how can I use them?

... The full list of readyState values is: State Description 0 The request is not initialized 1 The request has been set up 2 The request has been sent 3 The request is in process 4 The request is complete (from https://www.w3schools.com/js/js_ajax_http_respo...
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How do I get the different parts of a Flask request's url?

I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request? ...
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php is null or empty?

...LL) {...} Note the ===. When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal. share | improve this answer | follow ...
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RegEx - Match Numbers of Variable Length

... {[0-9]+:[0-9]+} try adding plus(es) share | improve this answer | follow | ...
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How to find index of list item in Swift?

... // 2 find(arr, "d") // nil Update for Swift 2.0: The old find function is not supported any more with Swift 2.0! With Swift 2.0, Array gains the ability to find the index of an element using a function defined in an extension of CollectionType (which Array implements):...
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How to get current time with jQuery

... 307 +100 You may...
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How can I autoplay a video using the new embed code style for Youtube?

... +50 Just put "?autoplay=1" in the url the video will autoload. So your url would be: http://www.youtube.com/embed/JW5meKfy3fY?autoplay=1 ...