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What is two way binding?

...ners). Other frameworks like Knockout do wire up two-way binding automagically. In Backbone, you can easily achieve #1 by binding a view's "render" method to its model's "change" event. To achieve #2, you need to also add a change listener to the input element, and call model.set in the handle...
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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?

... Usually what you choose will depend on which methods you need access to. In general - IEnumerable<> (MSDN: http://msdn.microsoft.com/en-us/library/system.collections.ienumerable.aspx) for a list of objects that only needs ...
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Remove Object from Array using JavaScript

... This however will remove all the occurrences found, not only the first one – Flavien Volken Jul 12 '16 at 6:49 6 ...
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Load view from an external xib file in storyboard

... Isn't it that loadNibNamed calls init(coder:)? I have a crash trying to adapt your approach. – Fishman Nov 14 '16 at 9:15 ...
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Get the (last part of) current directory name in C#

...the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough . ...
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How to customize a Spinner in Android

...er" android:src="@mipmap/drop" /> </RelativeLayout> Finally looks like below image and it is everywhere clickable in round area and no need to write click Lister for imageView. Step3: For drop-down design, remove the line from Dropdown ListView and change the background color,...
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How to add items to a spinner in Android?

... While this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Bill the Lizard Jan 26 '12 at 21:00 ...
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E11000 duplicate key error index in mongodb mongoose

... null value. In other words, a sparse index is ok with multiple documents all having null values. sparse indexes From comments: Your error says that the key is named mydb.users.$email_1 which makes me suspect that you have an index on both users.email and users.local.email (The former being old an...
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John Carmack's Unusual Fast Inverse Square Root (Quake III)

...s derived is something of a mystery. To quote Gary Tarolli: Which actually is doing a floating point computation in integer - it took a long time to figure out how and why this works, and I can't remember the details anymore. A slightly better constant, developed by an expert mathemat...