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What is an intuitive explanation of the Expectation Maximization technique? [closed]

...e could find the exact means if we wanted). This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parameters) that best explains that data. Now imagine that we cannot see which value was sampled from which group. Everything lo...
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Date only from TextBoxFor()

... Yes, as now there is the EditorFor helper and MVC2 is finalized, your solution is the way to go – Kronos Nov 8 '10 at 15:03 ...
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Remove ActiveRecord in Rails 3

Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
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Design Patterns: Factory vs Factory method vs Abstract Factory

...ch concrete implementation it is getting. Factory Method: Client doesn't know what concrete classes it will be required to create at runtime, but just wants to get a class that will do the job. AbstactFactory: When your system has to create multiple families of products or you want to provide a l...
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Use 'class' or 'typename' for template parameters? [duplicate]

...particularly clear, to be honest. in T::A *obj; the language, as far as I know, should parse the statement as a declaration because of the declaration rule: anything that looks like a declaration, even if it ambiguously looks like something else, should resolve into a declaration[0]. I also didn't f...
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How do you use bcrypt for hashing passwords in PHP?

Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules". 11 Answers ...
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How to remove empty cells in UITableView? [duplicate]

... It's now tableView.tableFooterView = UIView(frame: CGRect.zero) – Ryan Walton Oct 27 '15 at 17:35 ...
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Git's famous “ERROR: Permission to .git denied to user”

... This was it. You saved me a huge headache. Now I just have to remember to run ssh-add ... every time I want to switch my github/ssh logins. – Cerin Nov 4 '12 at 5:08 ...
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?

...he parenthesis if there is less than two parameters passed to the method. Now, the operator notation is a notation for method-call, which means it can't be used in the absence of the object which is being called. I'll briefly detail the notations. Prefix: Only ~, !, + and - can be used in prefix...
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Is there a way to force ASP.NET Web API to return plain text?

...oWorld() { string result = "Hello world! Time is: " + DateTime.Now; var resp = new HttpResponseMessage(HttpStatusCode.OK); resp.Content = new StringContent(result, System.Text.Encoding.UTF8, "text/plain"); return resp; } This works for me without using a cus...