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Why does pattern matching in Scala not work with variables?

Take the following function: 1 Answer 1 ...
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Combine :after with :hover

I want to combine :after with :hover in CSS (or any other pseudo selector). I basically have a list and the item with the selected class has an arrow shape applied using :after . I want the same to be true for objects that are being hovered over but cant quite get it to work. Heres the cod...
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Database design for audit logging

Every time I need to design a new database I spend quite some time thinking on how I should set up the database schema to keep an audit log of the changes. ...
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How to export DataTable to Excel

How can I export a DataTable to Excel in C#? I am using Windows Forms. The DataTable is associated with a DataGridView control. I have to export records of DataTable to Excel. ...
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Multiple Parameters for jQuery selector?

I was just looking at the jQueryUI button plug-in and noticed this 1 Answer 1 ...
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How do I iterate through the alphabet?

In Python, could I simply ++ a char? What is an efficient way of doing this? 2 Answers ...
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How can I select all elements without a given class in jQuery?

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How to create JSON string in C#

I just used the XmlWriter to create some XML to send back in an HTTP response. How would you create a JSON string. I assume you would just use a stringbuilder to build the JSON string and them format your response as JSON? ...
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Get file size, image width and height before upload

How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript? 7 Answers ...
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Automatic creation date for Django model form objects?

What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated? ...