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How to override the copy/deepcopy operations for a Python object?

I understand the difference between copy vs. deepcopy in the copy module. I've used copy.copy and copy.deepcopy before successfully, but this is the first time I've actually gone about overloading the __copy__ and __deepcopy__ methods. I've already Googled around and looked through the ...
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Best way to pretty print a hash

I have a large hash with nested arrays and hashes. I would like to simply print it out so it 'readable' to the user. 12 An...
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Can I set the height of a div based on a percentage-based width? [duplicate]

Let's say I've got a div that has a width of 50% of the body. How do I make its height equal to that value? So that when the browser window is 1000px wide, the div's height and width are both 500px. ...
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How can I find WPF controls by name or type?

I need to search a WPF control hierarchy for controls that match a given name or type. How can I do this? 18 Answers ...
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Can I use a hash sign (#) for commenting in PHP?

I have never, ever, seen a PHP file using hashes ( # ) for commenting. But today I realized that I actually can! I'm assuming there's a reason why everybody uses // instead though, so here I am. ...
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How to write a simple Html.DropDownListFor()?

In ASP.NET MVC 2, I'd like to write a very simple dropdown list which gives static options. For example I'd like to provide choices between "Red", "Blue", and "Green". ...
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Check if a row exists, otherwise insert

I need to write a T-SQL stored procedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction. ...
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What is the difference between print and puts?

For example in this line of code I wrote, print and puts produce different results. 6 Answers ...
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Using different Web.config in development and production environment

I need to use different database connection string and SMTP server address in my ASP.NET application depending on it is run in development or production environment. ...
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Hash function that produces short hashes?

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly. ...