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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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Cocoa: What's the difference between the frame and the bounds?

...nds have been exactly the same. That isn't always true, though. Look what happens if we rotate the view 20 degrees clockwise. (Rotation is done using transforms. See the the documentation and these view and layer examples for more information.) Frame origin = (20, 52) // These are just rough e...
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How do I get Windows to go as fast as Linux for compiling C++?

...le-file lookup times, with a btree structure. In Linux (last I looked), an app can read an entire folder with a single system call, and iterate through the resulting structure entirely in user code; Windows requires a separate sys call for each file. Either way, compilers shouldn't need to read the ...
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Creating a singleton in Python

...), {})): pass class Logger(Singleton): pass An ironic aspect of this approach is that it's using subclassing to implement a metaclass. One possible advantage is that, unlike with a pure metaclass, isinstance(inst, Singleton) will return True. Corrections On another topic, you've probably alrea...
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How exactly do Django content types work?

...en models. Blah blah, let's dive into some code and see what I mean. # ourapp.models from django.conf import settings from django.db import models # Assign the User model in case it has been "swapped" User = settings.AUTH_USER_MODEL # Create your models here class Post(models.Model): author = m...
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How can I add (simple) tracing in C#? [closed]

I want to introduce some tracing to a C# application I am writing. Sadly, I can never really remember how it works and would like a tutorial with reference qualities to check up on every now and then. It should include: ...
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Tomcat VS Jetty [closed]

... I think tomcat is more disscussed and supported by application, Jetty is portable and can be embedded in an application. and Jetty has good continuations. share | improve thi...
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Executing command line programs from within python [duplicate]

I'm building a web application that will is going to manipulate (pad, mix, merge etc) sound files and I've found that sox does exactly what I want. Sox is a linux command line program and I'm feeling a little uncomfortable with having the python web app starting new sox processes on my server on a...
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How do I set ${user} in Eclipse to get the correct @author tag? [duplicate]

...y located in the Eclipse installation directory (or for Mac in the Eclipse.app/Contents/MacOS). This means if you have multiple installations of Eclipse, you will have to change each one individually. Reference – jbranchaud Jan 20 '12 at 19:53 ...
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Content-Disposition:What are the differences between “inline” and “attachment”?

...rrection: This behavior is sometimes different from a mobile context. Many app webviews will ignore attachment disposition and simply render it in browser if they can correctly identify the content-type. – mixdev Oct 9 '13 at 15:55 ...