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Window vs Page vs UserControl for WPF navigation?

I am currently writing a desktop application, but I cannot seem to get my head around what to use when redirecting someone to a new section of the application. ...
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Django FileField with upload_to determined at runtime

...he problem is I don't know how to define this in the model. Here is how it currently looks: 4 Answers ...
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Difference between and text

...re many legends about them. I want to know the truth. What are the differences between the two following examples? 3 Answer...
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What is the meaning of erb?

Why is the view of Rails application in the format *.erb.html ? What does "erb" mean? 6 Answers ...
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Why is '+' not understood by Python sets?

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How can I tell IntelliJ's “Find in Files” to ignore generated files?

I need to do a find in files. I want to ignore or exclude generated files, like JAX-WS artifacts or classes in target folders. How can I tell IDEA to exclude these files from the find? ...
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What's an elegant way to conditionally add a class to an HTML element in a view?

I occasionally have to add a class to an html element based on a condition. The problem is I can't figure out a clean way of doing it. Here's an example of the stuff I've tried: ...
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Difference between except: and except Exception as e: in Python

Both the following snippets of code do the same thing. They catch every exception and execute the code in the except: block ...
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Can I use complex HTML with Twitter Bootstrap's Tooltip?

If I check official documentation , I can see a property called HTML: 5 Answers 5 ...
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ASP.NET MVC - Should business logic exist in controllers?

Derik Whitaker posted an article a couple of days ago that hit a point that I've been curious about for some time: should business logic exist in controllers? ...