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How to capture UIView to UIImage without loss of quality on retina display

... UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen. UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on ...
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Creating an empty Pandas DataFrame, then filling it?

... 350 Here's a couple of suggestions: Use date_range for the index: import datetime import pandas as...
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How to develop a soft keyboard for Android? [closed]

... Diego 4,53711 gold badge2929 silver badges3030 bronze badges answered Aug 13 '10 at 21:24 MacarseMacarse 85.2k4242 gold b...
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How can I add a third button to an Android Alert Dialog?

... | edited Aug 31 '14 at 20:29 jvperrin 3,28211 gold badge2020 silver badges3333 bronze badges answered ...
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)

...NSString = str as NSString myNSString.substringWithRange(NSRange(location: 0, length: 3)) Note: as JanX2 mentioned, this second method is not safe with unicode strings. share | improve this answer...
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Using jQuery how to get click coordinates on the target element

...pi.jquery.com/position/ HTML <body> <div id="A" style="left:100px;"> Default <br /> mouse<br/>position </div> <div id="B" style="left:300px;"> offset() <br /> mouse<br/>position </div> <div id="C" style="left:500px;"> positi...
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How to select a single field for all documents in a MongoDB collection?

In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is: ...
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Checking user's homepage in Internet Explorer

...ow.external.isGoogleHomePage() } catch (d) { if (h(a)) return !0; var c = google.promos.gpd(a, "mgmhp_hp_url"); c && g.push(c); for (c = 0; c < g.length; c++) { var k = g[c]; if (b = b || a.isHomePage(k)) return !0 } ...
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What is the difference between .text, .value, and .value2?

... | edited Sep 8 '15 at 11:01 answered Jun 28 '13 at 11:17 C...
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What do the &,

... Patrick M 9,00688 gold badges5454 silver badges9494 bronze badges answered Jul 11 '11 at 14:14 PascalPascal ...