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How do I remove code duplication between similar const and non-const member functions?

...a detailed explanation, please see the heading "Avoid Duplication in const and Non-const Member Function," on p. 23, in Item 3 "Use const whenever possible," in Effective C++, 3d ed by Scott Meyers, ISBN-13: 9780321334879. Here's Meyers' solution (simplified): struct C { const char & get()...
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What is Express.js?

...can use a variety of choices for your templating language (like EJS, Jade, and Dust.js). You can then use a database like MongoDB with Mongoose (for modeling) to provide a backend for your Node.js application. Express.js basically helps you manage everything, from routes, to handling requests and v...
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What HTTP status response code should I use if the request is missing a required parameter?

I am thinking 412 (Precondition Failed) but there may be a better standard? 12 Answers ...
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Debug code-first Entity Framework migration codes

I'm using Entity Framework code first in my website and I'm just wondering if there is any way to debug the migration codes. You know, like setting breakpoints and stuff like this. ...
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How to open Atom editor from command line in OS X?

I have the Atom editor and was wondering how you can open a file or folder from the terminal in Atom. I am using a Mac. I am looking for a way to do this: ...
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Setting dynamic scope variables in AngularJs - scope.

...ng I have gotten from a routeParam or a directive attribute or whatever, and I want to create a variable on the scope based on this. So: ...
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Mongoose subdocuments vs nested schema

I'm curious as to the pros and cons of using subdocuments vs a deeper layer in my main schema: 6 Answers ...
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]

ANN (Artificial Neural Networks) and SVM (Support Vector Machines) are two popular strategies for supervised machine learning and classification. It's not often clear which method is better for a particular project, and I'm certain the answer is always "it depends." Often, a combination of both alon...
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What is the difference between precision and scale?

What is the difference between precision and scale in Oracle? In tutorials they usually leave scale empty and set precision to 6 when creating a primary key. ...
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Is there a constraint that restricts my generic method to numeric types?

...ons for not implementing the feature in an interview with Bruce Eckel: And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix...