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Get position/offset of element relative to a parent container?

I'm used to working with jQuery. In my current project however I use zepto.js. Zepto doesn't provide a position() method like jQuery does. Zepto only comes with offset() . ...
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Number of elements in a javascript object

Is there a way to get (from somewhere) the number of elements in a javascript object?? (i.e. constant-time complexity). 6 A...
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How to get the primary IP address of the local machine on Linux and OS X? [closed]

I am looking for a command line solution that would return me the primary (first) IP address of the localhost, other than 127.0.0.1 ...
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Why is MATLAB so fast in matrix multiplication?

...C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication with MATLAB, 2048x2048 and even bigger matrices are almost instantly multiplied. ...
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Rails Object to hash

... If you are looking for only attributes, then you can get them by: @post.attributes Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable: attribs = @post.attributes ...
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Code for a simple JavaScript countdown timer?

I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded? ...
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node and Error: EMFILE, too many open files

...or you just want to understand where the leak is coming from. Follow this process. (e.g. graceful-fs isn't gonna fix your wagon if your issue is with sockets.) From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html How To...
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What is a method that can be used to increment letters?

Does anyone know of a Javascript library (e.g. underscore, jQuery, MooTools, etc.) that offers a method of incrementing a letter? ...
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How do I change an HTML selected option using JavaScript?

I have option menu like this: 10 Answers 10 ...
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How can you list the matches of Vim's search?

... " put in your ~/.vimrc file " START search related configs and helps " " ignore case when searching set ignorecase " search as characters are entered, as you type in more characters, the search is refined ...