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Database design for a survey [closed]

I need to create a survey where answers are stored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and...
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How to create dictionary and add key–value pairs dynamically?

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Trigger change() event when setting 's value with val() function

What is the easiest and best way to trigger change event when setting the value of select element. 5 Answers ...
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What are the differences between git branch, fork, fetch, merge, rebase and clone?

I want to understand the difference between a branch, a fork and a clone in Git? 5 Answers ...
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'

Some guy called one of my Snipplr submissions "crap" because I used if ($_SERVER['REQUEST_METHOD'] == 'POST') instead of if ($_POST) ...
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Signtool error: No certificates were found that met all given criteria with a Windows Store App?

I'm trying to sign a Windows 8 appx package with a pfx file I have. I'm using a command like so: 19 Answers ...
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Width equal to content [duplicate]

I'm experiencing some trouble with the width property of CSS. I have some paragraphs inside a div. I'd like to make the width of the paragraphs equal to their content, so that their green background looks like a label for the text. What I get instead is that the paragraphs inherit the width of the d...
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Big-O for Eight Year Olds? [duplicate]

I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
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Deserializing a JSON into a JavaScript object

I have a string in a Java server application that is accessed using AJAX. It looks something like the following: 8 Answers ...
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How to prevent robots from automatically filling up a form?

I'm trying to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please)...