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Why does one hot encoding improve machine learning performance?

... the constraint w×x + b > 0, or equivalently w×x < b. The problem now is that the weight w cannot encode a three-way choice. The three possible values of w×x are 0, w and 2×w. Either these three all lead to the same decision (they're all < b or ≥b) or "UK" and "French" lead to the sa...
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How to add Web API to an existing ASP.NET MVC 4 Web Application project?

...t I need a controller deriving from ApiController, but that's about all I know. 9 Answers ...
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Real World Example of the Strategy Pattern

...ect strategy instance for the cipher. I hope this helps. ( I don't even know if Cipher is the right word :P ) share | improve this answer | follow | ...
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Single huge .css file vs. multiple smaller specific .css files? [closed]

... maintain. Highly, highly recommended. I personally use Sass (SCSS syntax) now, but used LESS previously. Both are great, with similar benefits. Once you've written CSS with a compiler, it's unlikely you'd want to do without one. http://lesscss.org http://sass-lang.com If you don't want to mess a...
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FFmpeg on Android

I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg. ...
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What's the best visual merge tool for Git? [closed]

... @naxa Meld now has a Windows installer: code.google.com/p/meld-installer – Roman Mar 18 '13 at 11:01 7 ...
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When should you use constexpr capability in C++11?

...t b ) { return a * b; } const int meaningOfLife = MeaningOfLife( 6, 7 ); Now you have something that can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number. It basically provides a good aid to ma...
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python date of the previous month

... you could use .replace() method: datetime.utcnow().replace(day=1) - timedelta(days=1) – jfs Mar 16 '12 at 6:43 1 ...
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How do I avoid capturing self in blocks when implementing an API?

...here; the delegate may retain our object but that's out of our hands right now). This code won't risk a leak in the same way, because the value of the delegate property is captured when the block is created, instead of looked up when it executes. A side effect is that, if you change the delegate aft...
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#pragma once vs include guards? [duplicate]

I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...