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Check if list contains any of another list

...Why O(n^2)? Isn't it O(n*m) as we are talking abount two variables and not one? Since m (the parametes) are a constant, it's the same as O(n). I don't see how intersect should be much faster here? But agreed, Intersect has the potential to be faster, but is not guaranteed. – Sq...
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How do you overcome the svn 'out of date' error?

I've been attempting move a directory structure from one location to another in Subversion, but I get an Item '*' is out of date commit error. ...
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When to choose checked and unchecked exceptions

... caused the operation to fail. For example, you try reading a file but someone deletes it between the time you check if it exists and the time the read operation begins. By declaring a checked exception, you are telling the caller to anticipate this failure. Reasonable to recover from: There is no p...
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API Versioning for Rails Routes

...wildly different, and can be found here. Just proof that there's more than one way to skin a cat. I've updated the answer since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes for the prompting on those things. You might want to wea...
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Are getters and setters poor design? Contradictory advice seen [duplicate]

... It's important to note here that validation can be done within these "action" methods. – dseibert Mar 24 '11 at 21:22 3 ...
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What is the difference between linear regression and logistic regression?

...egression, the outcome (dependent variable) is continuous. It can have any one of an infinite number of possible values. In logistic regression, the outcome (dependent variable) has only a limited number of possible values. The dependent variable Logistic regression is used when the response var...
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Django Server Error: port is already in use

... So you try to start the server again, while one is already running? That won't work as the first one will be using the HTTP port. You must kill or terminate the first one, before trying to run again (at least run it on the same port). – Some progr...
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How to empty/destroy a session in rails?

... do I delete/destroy/reset/empty/clear a user's session in Rails? Not just one value but the whole thing.. 5 Answers ...
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How do you embed binary data in XML?

...SAX parser at the receiving end to get the data back out of the messages. One of the requirements is to embed binary data in an XML message, but SAX doesn't like this. Does anyone know how to do this? ...
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MySQL root access from all hosts

... @Scriptlabs, chances are there are more than one entries in user table with a host of 'localhost'. And more than one row with root, including root.localhost, root.127.0.0.1, root.::1. So you are better off adding a separate user rather than updating, which is why I am d...