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MySQL Insert into multiple tables? (Database normalization?)

I tried searching a way to insert information in multiple tables in the same query, but found out it's impossible? So I want to insert it by simply using multiple queries i.e; ...
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How to prevent ifelse() from turning Date objects into numeric objects

I am using the function ifelse() to manipulate a date vector. I expected the result to be of class Date , and was surprised to get a numeric vector instead. Here is an example: ...
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How to detect a Christmas Tree? [closed]

Which image processing techniques could be used to implement an application that detects the Christmas trees displayed in the following images? ...
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How do I use WebRequest to access an SSL encrypted site using https?

I'm writing a program that reads content from a user provided URL. My problem is in the code that goes something like this: ...
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What is “overhead”?

I am a student in Computer Science and I am hearing the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly? ...
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Equivalent to 'app.config' for a library (DLL)

Is there an equivalent to app.config for libraries (DLLs)? If not, what is the easiest way to store configuration settings that are specific to a library? Please consider that the library might be used in different applications. ...
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Order by multiple columns with Doctrine

I need to order data by two columns (when the rows have different values for column number 1, order by it; otherwise, order by column number 2) ...
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What is the difference between a static and a non-static initialization code block

My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong to any function. For example following code compiles: ...
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How to make a class property? [duplicate]

In python I can add a method to a class with the @classmethod decorator. Is there a similar decorator to add a property to a class? I can better show what I'm talking about. ...
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Convert numpy array to tuple

Note: This is asking for the reverse of the usual tuple-to-array conversion. 5 Answers ...