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How to validate an e-mail address in swift?

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Auto-center map with multiple markers in Google Maps API v3

...new google.maps.Marker({ position: new google.maps.LatLng(locations[i][1], locations[i][2]), map: map }); //extend the bounds to include each marker's position bounds.extend(marker.position); google.maps.event.addListener(marker, 'click', (function(marker, i) { return function(...
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How to compute the similarity between two text documents?

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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

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How can I autoplay a video using the new embed code style for Youtube?

...deo using the new embed code style for Youtube . I tried adding &autoplay=1 to the url, which worked with the old style, but it didn't work. For example, http://www.youtube.com/embed/JW5meKfy3fY is the embed link, but http://www.youtube.com/embed/JW5meKfy3fY&autoplay=1 doesn't work. Can any...
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?

... 158 The documentation for Range† says this: Ranges constructed using .. run from the beginni...
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Efficient way to determine number of digits in an integer

... 107 Well, the most efficient way, presuming you know the size of the integer, would be a lookup. ...
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Grid of responsive squares

... 417 You can make responsive grid of squares with verticaly and horizontaly centered content only wi...
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Multiple aggregations of the same column using pandas GroupBy.agg()

...there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times? ...
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Fastest way to check if string contains only digits

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