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Saving enum from select in Rails 4.1

...to_a is redundant. Alternatively the select helper method takes a 2D array for options so you can just use to_a. – xander-miller Nov 23 '15 at 19:15 ...
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How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
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Heroku error: “Permission denied (public key)”

... Try heroku keys:add <path-to-your-public-key>. For example, heroku keys:add ~/.ssh/id_rsa.pub share | improve this answer | follow ...
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame

...gin using JavaScript, it would be a huge security flaw if you could do it. For the same-origin policy browsers block scripts trying to access a frame with a different origin. Origin is considered different if at least one of the following parts of the address isn't maintained: protocol://hostname:po...
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How to use FormData for AJAX file upload?

... For correct form data usage you need to do 2 steps. Preparations You can give your whole form to FormData() for processing var form = $('form')[0]; // You need to use standard javascript object here var formData = new For...
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Preview layout with merge root tag in Intellij IDEA/Android Studio

... (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview. So using your example: <merge xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android...
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How to find a table having a specific column in postgresql

... this didn't work for me with or without wildcards, i've had to use information.schema to search – Lrawls Feb 14 '19 at 15:50 ...
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Selecting all text in HTML text input when clicked

... To make that more general, you could use this.id as the argument for the click handler. Better yet, you could eliminate the getElementById entirely and pass this as an argument. – Asad Saeeduddin Dec 14 '12 at 23:05 ...
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Remove items from one list in another

... You will also need using System.Linq; if you didn't have it before. – yellavon Mar 11 '15 at 20:28 1 ...
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How to read json file into java with simple JSON library

...le. As you say, the outermost layer of your JSON blob is an array. Therefore, your parser will return a JSONArray. You can then get JSONObjects from the array ... JSONArray a = (JSONArray) parser.parse(new FileReader("c:\\exer4-courses.json")); for (Object o : a) { JSONObject person ...