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Retrieve the position (X,Y) of an HTML element relative to the browser window

...n every circumstances that I've tried. function getOffset( el ) { var _x = 0; var _y = 0; while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) { _x += el.offsetLeft - el.scrollLeft; _y += el.offsetTop - el.scrollTop; el = el.offsetPare...
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Change string color with NSAttributedString?

... Thanks Anoop, but no luck for me. -[__NSCFString _ui_synthesizeAttributedSubstringFromRange:usingDefaultAttributes:]: unrecognized selector sent to instance 0x1f845af0 2013-01-11 16:27:34.939 yellaProto[7829:907] *** Terminating app due to uncaught exception 'N...
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How do you round a float to two decimal places in jruby

...wered Feb 28 '13 at 9:29 boulder_rubyboulder_ruby 31.7k66 gold badges6363 silver badges8888 bronze badges ...
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Binding a Button's visibility to a bool value in ViewModel

...converter: <ValueConversion(GetType(Boolean), GetType(Visibility))> _ Public Class BoolToVisibilityConverter Implements IValueConverter Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.Cul...
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nginx server_name wildcard or catch-all

... Change listen option to this in your catch-all server block. (Add default_server) this will take all your non-defined connections (on the specified port). listen 80 default_server; if you want to push everything to index.php if the file or folder does not exist; try_files ...
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Email Address Validation in Android on EditText [duplicate]

... target) { return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches()); } Kotlin: fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches() Edit: It will work On Android 2.2+ onwards !! Edit: Added miss...
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Binding an enum to a WinForms combo box, and then setting it

... in mind the tryparse is a .net 4.0 statement. – real_yggdrasil Jun 22 '12 at 7:53 For me SelectedValue is always null...
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Accessing a Dictionary.Keys Key through a numeric index

...t;K, T> : IDictionary<K, T> { private IDictionary<K, T> _InnerDictionary; public K LastInsertedKey { get; set; } public MyDictionary() { _InnerDictionary = new Dictionary<K, T>(); } #region Implementation of IDictionary public void Add(Key...
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How can I search for a multiline pattern in a file?

... Regular Expressions GREP. For example, you need to find files where the '_name' variable is immediatelly followed by the '_description' variable: find . -iname '*.py' | xargs pcregrep -M '_name.*\n.*_description' Tip: you need to include the line break character in your pattern. Depending on yo...
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Xcode/Simulator: How to run older iOS version?

... To add previous iOS simulator to Xcode 4.2, you need old xcode_3.2.6_and_ios_sdk_4.3.dmg (or similar version) installer file and do as following: Mount the xcode_3.2.6_and_ios_sdk_4.3.dmg file Open mounting disk image and choose menu: Go->Go to Folder... Type /Volumes/Xcode and iOS...