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What does principal end of an association means in 1:1 relationship in Entity framework

...d using System.ComponentModel.DataAnnotations.Schema; to get ForeignKey in VS2012 – stuartdotnet Jun 28 '13 at 23:37 2 ...
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Detecting that the browser has no mouse and is touch-only

...ventName , handlerFunction, false); or use separate approaches for touch vs. non-touch: if (hasTouch() === true) { someElement.addEventListener('touchend' , touchHandler, false); } else { someElement.addEventListener('click' , mouseHandler, false); } function touchHandler(e) { /// s...
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Why does pylint object to single character variable names?

...dress in thing.get_customer_addresses() if customer_address.is_proper()] vs return [a for a in thing.get_customer_addresses() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate with scope of the variable. ...
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How to pass json POST data to Web API method as an object?

... Properties vs fields is why its different. Properties are the best practice. What you call properties in that first example are in fact, fields. When you put a get/set on them, they then have an auto created backing field which makes...
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C# DLL config file

... In managed C++ for VS 2008 System::Configuration::Configuration^ appConfig = ConfigurationManager::OpenExeConfiguration(Assembly::GetExecutingAssembly()->Location); String^ name = appConfig->AppSettings->Settings["name"]->Valu...
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Using AES encryption in C#

...microsoft.com/en-us/library/system.security.cryptography.rijndaelmanaged(v=VS.100).aspx#Y2262 The example on MSDN does not run normally (an error occurs) because there is no initial value of Initial Vector(iv) and Key. I add 2 line code and now work normally. More details see below: using System....
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Is it good style to explicitly return in Ruby?

...to the code, why not? It's hardly very verbose - we're not talking 5 lines vs 3, just one more word. I'd prefer to see return at least in functions (maybe not in blocks) so as to express what the code actually does. Sometimes you have to return mid-function - don't leave out the last return keyword ...
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What is the difference between NaN and None?

...od Saying that, many operations may still work just as well with None vs NaN (but perhaps are not supported i.e. they may sometimes give surprising results): In [15]: s_bad.sum() Out[15]: 1 In [16]: s_good.sum() Out[16]: 1.0 To answer the second question: You should be using pd.isnull and p...
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How the single threaded non blocking IO model works in Node.js

...verything runs in parallel" is probably not correct here - see Concurrency vs Parallelism - What is the difference?). This works pretty well for webapp servers as most of the time is actually spent on waiting for network or disk (database / sockets) and the logic is not really CPU intensive - that i...
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'

...could well be wrong about this, but concerning your last point (byte-based vs. character-based streams), isn't IOStream's (partial?) answer to this the separation between stream buffers (character conversion, transport, and buffering) and streams (formatting / parsing)? And couldn't you create new s...