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Rails: select unique values from a column

... Model.select(:rating) Result of this is a collection of Model objects. Not plain ratings. And from uniq's point of view, they are completely different. You can use this: Model.select(:rating).map(&:rating).uniq or th...
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How can I add an ampersand for a value in a ASP.net/C# app config file value

I've got a C# program with values in a config file. What I want is to store ampersands for an url value like... 4 Answers ...
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Load Testing with AB … fake failed requests (length)

To do some load testing, for my own curiosity, on my server I ran: 3 Answers 3 ...
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Rails - controller action name to string

... Rails 2.X: @controller.action_name Rails 3.1.X: controller.action_name, action_name Rails 4.X: action_name share | improve this answer | ...
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Resharper- Find all unused classes

... any way I can see or get the list of all the unused classes or files in my project ? 2 Answers ...
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How is a non-breaking space represented in a JavaScript string?

...   is a HTML entity. When doing .text(), all HTML entities are decoded to their character values. Instead of comparing using the entity, compare using the actual raw character: var x = td.text(); if (x == '\xa0') { //...
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How to change color in markdown cells ipython/jupyter notebook?

I'm only looking to format a specific string within a cell. I change that cell's format to "Markdown" but I'm not sure how to change text color of a single word. ...
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Permanently Set Postgresql Schema Path

I need to set schema path in Postgres so that I don't every time specify schema dot table e.g. schema2.table . Set schema path: ...
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Use-case of `oneway void` in Objective-C?

...ive-c objects between different threads or applications. It tells the system that it should not block the calling thread until the method returns. Without it, the caller will block, even though the method's return type is void. Obviously, it is never used with anything other than void, as doing so w...
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Turn off CSRF token in rails 3

I have a rails app that serves some APIs to an iPhone application. I want to be able to simply post on a resource without minding on get the correct CSRF token. I tried some methods that I see here in stackoverflow but it seems they no longer work on rails 3. ...