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Compare double to zero using epsilon

Today, I was looking through some C++ code (written by somebody else) and found this section: 11 Answers ...
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What is the naming convention in Python for variable and function names?

Coming from a C# background the naming convention for variables and method names are usually either camelCase or PascalCase: ...
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Can someone give an example of cosine similarity, in a very simple, graphical way?

... want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts: me Julie loves Linda than more likes Jane Now we count the number of times each of these words appears in each text: me 2 2 Jane ...
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Best practice for Django project working directory structure

... I've found that it's hard to create a directory structure that works well and remain clean for every developer and administrator. There is some standard structure in most projects on github. But it does not show a way to organize another files and all projects on pc. ...
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How do you Encrypt and Decrypt a PHP String?

... Before you do anything further, seek to understand the difference between encryption and authentication, and why you probably want authenticated encryption rather than just encryption. To implement authenticated encryption, you want to Encrypt then MAC. The order of encry...
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postgresql return 0 if returned value is null

...price DESC ) FROM web_price_scan WHERE listing_Type = 'AARM' AND u_kbalikepartnumbers_id = 1000307 AND ( EXTRACT( DAY FROM ( NOW() - dateEnded ) ) ) * 24 < 48 AND COALESCE( price, 0 ) > ( SELECT AVG( COALESCE( price, 0 ) )* 0.50 ...
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Tips for debugging .htaccess rewrite rules

Many posters have problems debugging their RewriteRule and RewriteCond statements within their .htaccess files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot e...
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Why can I add named properties to an array as if it were an object?

...you call a "bug" can as well be an awesome "feature". You can add a tittle and description to arrays without affecting their contents or length and without having to wrap them in objects with title, description and items properties. It all depends on how well you know the language and how you use it...
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How to enable C++11/C++0x support in Eclipse CDT?

... I found this article in the Eclipse forum, just followed those steps and it works for me. I am using Eclipse Indigo 20110615-0604 on Windows with a Cygwin setup. Make a new C++ project Default options for everything Once created, right-click the project and go to "Properties" C/C++ Build -&...
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Visual Studio 2013 hangs when opening a solution

I installed VS2013 (v12.0.21005.1) and added ReSharper 8 (v8.0.2000.2660) a day or two ago. That day it was fine. Now I'm lucky if I can get it to open one solution in a whole day. It opens OK by itself, but when I try and open a solution from within - via the menu - it hangs, badly. If I right-clic...