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Why are Where and Select outperforming just Select?

...an be different from cost(+), they don't necessarily intersect at p(valid)=0.5. share | improve this answer | follow | ...
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Getting the current page

...rollView.frame.size.width; NSInteger page = (scrollView.contentOffset.x + (0.5f * width)) / width; share | improve this answer | follow | ...
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How to embed small icon in UILabel

...? Thx – Steven Jiang Jun 5 '14 at 5:05 1 @StevenJiang: You'll have to just add a UIImageView to y...
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format

... 504 The easiest way is to use to_datetime: df['col'] = pd.to_datetime(df['col']) It also offers ...
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Can jQuery get all CSS styles associated with an element?

...r (var i in css) { var l = css[i].split(": "); s[l[0].toLowerCase()] = (l[1]); } } return s; } Pass a jQuery object into css() and it will return an object, which you can then plug back into jQuery's $().css(), ex: var style = css($("#elementToGetAllCSS"));...
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How can you encode a string to Base64 in JavaScript?

... character represents an 8-bit byte – that is, its value will be between 0 and 0xff. This does not mean it’s ASCII – presumably if you’re using this function at all, you expect to be working with binary data and not text. See also: How do I load binary image data using Javascript and XML...
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How to properly check if std::function is empty in C++11?

... 105 You're not checking for an empty lambda, but whether the std::function has a callable target st...
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How to find out if an installed Eclipse is 32 or 64 bit version?

... 210 Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab. 32-bit progr...
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Display number with leading zeros

... 1150 In Python 2 (and Python 3) you can do: print "%02d" % (1,) Basically % is like printf or spri...
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Produce a random number in a range using C#

... You can try Random r = new Random(); int rInt = r.Next(0, 100); //for ints int range = 100; double rDouble = r.NextDouble()* range; //for doubles Have a look at Random Class, Random.Next Method (Int32, Int32) and Random.NextDouble Method ...