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What is Normalisation (or Normalization)?

...ll is that it is tricky to update, tricky to query against, and you cannot apply indexes, constraints and so on. (2) Having redundant non-key data (ie. data repeated unnecessarily in several rows). Example: UserId | UserName | Car ----------------------- 1 | John | Toyota 2 | Sue ...
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Are soft deletes a good idea? [duplicate]

...take even longer to discover (I worked on one project where this had been happening for years; not many records were ever "deleted", so the totals were close to what was expected and no one noticed). Finally, a soft delete will work on a table with artificial keys, but potentially won't work on a t...
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]

...ize the culprit sample. Compile this using Visual Studio 2012 as a console app: 3 Answers ...
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Why use HttpClient for Synchronous Connection

...s and blocking the thread in which you called this .Result (which usually happens to be the main UI thread). – Darin Dimitrov Feb 27 '14 at 21:55 35 ...
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API Keys vs HTTP Authentication vs OAuth in a RESTful API

I'm working on building a RESTful API for one of the applications I maintain. We're currently looking to build various things into it that require more controlled access and security. While researching how to go about securing the API, I found a few different opinions on what form to use. I've seen ...
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Debug.Assert vs Exception Throwing

...hrow a suitable exception. This way, I could easily write the error to the application's log just before I throw the exception, and plus, my application doesn't necessarily freeze. ...
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Detecting that the browser has no mouse and is touch-only

I'm developing a webapp (not a website with pages of interesting text) with a very different interface for touch (your finger hides the screen when you click) and mouse (relies heavily on hover preview). How can I detect that my user has no mouse to present him the right interface? I plan to leave a...
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Which, if any, C++ compilers do tail-recursion optimization?

... gcc 4.3.2 completely inlines this function (crappy/trivial atoi() implementation) into main(). Optimization level is -O1. I notice if I play around with it (even changing it from static to extern, the tail recursion goes away pretty fast, so I wouldn't depend on it for...
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Change the Target Framework for all my projects in a Visual Studio Solution

...tring = "{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}" Public Const vsWebApplication As String = "{349C5851-65DF-11DA-9384-00065B846F21}" Public Const vsWebSite As String = "{E24C65DC-7377-472B-9ABA-BC803B73C61A}" Public Const vsDistributedSystem As String = "{F135691A-BF7E-435D-89...
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Synchronise ScrollView scroll positions - android

...ut it all together in the Layout class. package com.test; import android.app.Activity; import android.os.Bundle; public class Q3948934 extends Activity implements ScrollViewListener { private ObservableScrollView scrollView1 = null; private ObservableScrollView scrollView2 = null; @...