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What is a “slug” in Django?

When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used? ...
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MongoDB: Combine data from multiple collections into one..how?

How can I (in MongoDB) combine data from multiple collections into one collection? 11 Answers ...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

The following code receives seg fault on line 2: 17 Answers 17 ...
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Get current time as formatted string in Go?

What's the best way to get the current timestamp in Go and convert to string? I need both date and time in eg. YYYYMMDDhhmmss format. ...
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Does “\d” in regex mean a digit?

I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex. ...
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If strings are immutable in .NET, then why does Substring take O(n) time?

Given that strings are immutable in .NET, I'm wondering why they have been designed such that string.Substring() takes O( substring.Length ) time, instead of O(1) ? ...
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without

I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer. ...
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Good or bad practice for Dialogs in wpf with MVVM?

I lately had the problem of creating add and edit dialogs for my wpf app. 3 Answers 3 ...
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jsonify a SQLAlchemy result set in Flask [duplicate]

I'm trying to jsonify a SQLAlchemy result set in Flask/Python. 15 Answers 15 ...
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Regular Expressions: Is there an AND operator?

... Use a non-consuming regular expression. The typical (i.e. Perl/Java) notation is: (?=expr) This means "match expr but after that continue matching at the original match-point." You can do as many of these as you want, and this will be ...