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Rails 4 multiple image or file upload using carrierwave

How can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this? ...
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Is it possible to add an HTML link in the body of a MAILTO link [duplicate]

... Here's what I put together. It works on the select mobile device I needed it for, but I'm not sure how universal the solution is <a href="mailto:me@me.com?subject=Me&body=%3Chtml%20xmlns%3D%22http:%2F%2Fwww.w3.org%2F1999%2Fxhtml%22%3E%3C%2Fhead%3E%3Cbody%3EPle...
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Eager load polymorphic

...edTable error ( tested in Rails 3, not 4 ) because the association will do SELECT FROM shops WHERE shop.id = 1 AND ( reviews.review_type = 'Shop' ). The :include option will force a JOIN instead. :) share | ...
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C# Convert List to Dictionary

...other way to deal with duplicate is you can do like this var dic = slist.Select((element, index)=> new{element,index} ) .ToDictionary(ele=>ele.index.ToString(), ele=>ele.element); or easy way to do is var res = list.ToDictionary(str => str, str=> str); but mak...
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Which one will execute faster, if (flag==0) or if (0==flag)?

...is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already. If flag is a built-in, then both should take the same speed. From the Wikipedia arti...
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Difference between .keystore file and .jks file

...t Unity recognizes the former but not the latter when you're navigating to select your keystore file (Unity 2017.3, macOS). share | improve this answer | follow ...
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scala vs java, performance and memory? [closed]

...ing where your Scala example only does it once after the Strings have been selected? I.e. they are optimised in different ways for different data sets? – Seth May 9 '12 at 1:53 ...
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Do DOM tree elements with ids become global variables?

...makes the value of the name attribute accessible for form elements (input, select, etc). Gecko and Webkit incorrectly do NOT make <a> tags accessible via their name attribute. Gecko incorrectly handles multiple named elements with the same name (it returns a reference to a single node instead ...
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How to get highcharts dates in the x axis?

... The sample link is not working any more. Nothing happens when we select Run. – Simsons Jun 20 '18 at 8:20 1 ...
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Chrome Dev Tools - Modify javascript and reload

... Open the Sources panel. Open the Overrides tab. Click Setup Overrides. Select which directory you want to save your changes to. At the top of your viewport, click Allow to give DevTools read and write access to the directory. Make your changes." UPDATE (March 19, 2018): It's live, detailed ...