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A simple explanation of Naive Bayes Classification

... & part two being the confusion surrounding Training set. In general all of Machine Learning Algorithms need to be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering. During the training step, the algorithms are taught...
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What is the maximum length of data I can put in a BLOB column in MySQL?

...t be accurate, but according to this site: http://www.htmlite.com/mysql003.php. BLOB A string with a maximum length of 65535 characters. The MySQL manual says: The maximum size of a BLOB or TEXT object is determined by its type, but the largest value you actually can transmit betwe...
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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...
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What are metaclasses in Python?

...ass is an instance of a metaclass. While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
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PostgreSQL Connection URL

...er=host;Port=5432;User Id=username;Password=secret;Database=databasename; PHP documentation us here, the general connection string is host=hostname port=5432 dbname=databasename user=username password=secret If you're using something else, you'll have to tell us. ...
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Usage of __slots__?

What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not? 11 A...
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Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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Turn a number into star rating display using jQuery and CSS

...urn a number (like 4.8618164) into a 4.8618164 stars filled out of 5. Basically interpreting a number 8 Answers ...
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HTTP GET Request in Node.js Express

...rks on Node will serve you well if you need to use an HTTP client on Ruby, PHP, Java, Python, Objective C, .Net or Windows 8 as well. As far as I can tell the unirest libraries are mostly backed by existing HTTP clients (e.g. on Java, the Apache HTTP client, on Node, Mikeal's Request libary) - Unir...