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How to detect IE11?

...) { var ua = navigator.userAgent; var re = new RegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})"); if (re.exec(ua) != null) rv = parseFloat( RegExp.$1 ); } else if (navigator.appName == 'Netscape') { var ua = navigator.userAgent; var re = new RegExp("Trident/.*rv:([0...
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How to optimize for-comprehensions and loops in Scala?

... positive number that is evenly divisible by all of the numbers from 1 to 20?" 8 Answers ...
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Merge Images Side by Side(Horizontally)

I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively. ...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

... and I want to add two new columns to a dataframe df with n columns (n > 0). These new columns result from the application of a function to one of the columns in the dataframe. ...
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Rails detect if request was AJAX

... | edited Jul 10 '15 at 16:46 answered Nov 22 '11 at 1:08 ...
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

...t has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines in the set would have been occupied. Reading th...
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Decimal separator comma (',') with numberDecimal inputType in EditText

... 105 A workaround (until Google fix this bug) is to use an EditText with android:inputType="numberDe...
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How to create UILabel programmatically using Swift?

...wDidLoad() { super.viewDidLoad() var label = UILabel(frame: CGRectMake(0, 0, 200, 21)) label.center = CGPointMake(160, 284) label.textAlignment = NSTextAlignment.Center label.text = "I'm a test label" self.view.addSubview(label) } Swift 3.0+ Update: let label = UILabel(frame: CGRect...
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UIView frame, bounds and center

... among the previous properties: frame.origin = center - (bounds.size / 2.0) center = frame.origin + (bounds.size / 2.0) frame.size = bounds.size NOTE: These relationships do not apply if views are rotated. For further info, I will suggest you take a look at the following image taken from The Kit...
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Maintaining the final state at end of a CSS3 animation

I'm running an animation on some elements that are set to opacity: 0; in the CSS. The animation class is applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things). ...