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How does the Amazon Recommendation feature work?

...nce. Typical fields of study revolve around market basket analysis (also called affinity analysis) which is a subset of the field of data mining. Typical components in such a system include identification of primary driver items and the identification of affinity items (accessory upsell, cross sel...
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Python: How would you save a simple settings/config file?

...) as f: sample_config = f.read() config = ConfigParser.RawConfigParser(allow_no_value=True) config.readfp(io.BytesIO(sample_config)) # List all contents print("List all contents") for section in config.sections(): print("Section: %s" % section) for options in config.options(section): ...
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How to print HTML content on click of a button, but not the page? [duplicate]

...intDiv('printableArea')" value="print a div!" /> Now let's create a really simple javascript: function printDiv(divName) { var printContents = document.getElementById(divName).innerHTML; var originalContents = document.body.innerHTML; document.body.innerHTML = printContents; ...
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Delete with Join in MySQL

... Actually you can use an alias for joined tables, but not for the main table (posts). "DELETE posts FROM posts INNER JOIN projects p ON p.project_id = posts.project_id" – Weboide May 29 '12 a...
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MVC 5 Seed Users and Roles

...d, "AppAdmin"); } } I used package-manager "update-database". DB and all tables were created and seeded with data. share | improve this answer | follow |...
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How to add elements of a Java8 stream into an existing List

...ting collection. The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own collection of intermediate results. The way each thread gets its own collection is to call ...
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cocoapods - 'pod install' takes forever

I was trying to update the existing pods with pod install command, but it takes forever to run. 19 Answers ...
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EditText, clear focus on touch outside

...ss I could set up OnTouchListener 's on the other views in layout and manually clear the EditText 's focus. But seems too hackish... ...
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Gitignore not working

...anged before you do this.) git rm -rf --cached . git add . This removes all files from the repository and adds them back (this time respecting the rules in your .gitignore). share | improve this...
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]

... Methods that inherit via the prototype chain can be changed universally for all instances, for example: function Class () {} Class.prototype.calc = function (a, b) { return a + b; } // Create 2 instances: var ins1 = new Class(), ins2 = new Class(); // Test the calc method: console...