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Can I invoke an instance method on a Ruby module without including it?

I have a module which declares a number of instance methods 10 Answers 10 ...
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Android XML Percent Symbol

I have an array of strings in which the % symbol is used. Proper format for using the % is % . When I have a string in that array with multiple % it gives me this error. ...
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Why should I use the keyword “final” on a method parameter in Java?

I can't understand where the final keyword is really handy when it is used on method parameters. 12 Answers ...
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How to convert a Title to a URL slug in jQuery?

I'm working on an app in CodeIgniter, and I am trying to make a field on a form dynamically generate the URL slug. What I'd like to do is remove the punctuation, convert it to lowercase, and replace the spaces with hyphens. So for example, Shane's Rib Shack would become shanes-rib-shack. ...
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“Large data” work flows using pandas

I have tried to puzzle out an answer to this question for many months while learning pandas. I use SAS for my day-to-day work and it is great for it's out-of-core support. However, SAS is horrible as a piece of software for numerous other reasons. ...
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How to get the difference between two arrays in JavaScript?

Is there a way to return the difference between two arrays in JavaScript? 69 Answers 6...
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What does -1 mean in numpy reshape?

A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here. ...
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Inherit from a generic base class, apply a constraint, and implement an interface in C#

This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax. ...
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How do you know what to test when writing unit tests? [closed]

Using C#, I need a class called User that has a username, password, active flag, first name, last name, full name, etc. ...
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Counting the occurrences / frequency of array elements

In Javascript, I'm trying to take an initial array of number values and count the elements inside it. Ideally, the result would be two new arrays, the first specifying each unique element, and the second containing the number of times each element occurs. However, I'm open to suggestions on the form...