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Difference between dict.clear() and assigning {} in Python

In python, is there a difference between calling clear() and assigning {} to a dictionary? If yes, what is it? Example: ...
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What is the fastest way to compare two sets in Java?

... firstSet.equals(secondSet) It really depends on what you want to do in the comparison logic... ie what happens if you find an element in one set not in the other? Your method has a void return type so I assume you'll do the necessary work in this method. M...
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Why is Android Studio reporting “URI is not registered”? [closed]

So I've given Android Studio a try, because I really like Resharper and noticed that the IDE had some of their functionality built into it. Having now created a default new project, I added a new layout file and wanted to change the existing default 'hello world' example layout, and I got an "URI is...
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How do I iterate through the files in a directory in Java?

I need to get a list of all the files in a directory, including files in all the sub-directories. What is the standard way to accomplish directory iteration with Java? ...
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Stop UIWebView from “bouncing” vertically?

Does anyone know how to stop a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded? ...
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Subclassing a Java Builder class

... You can solve it using generics. I think this is called the "Curiously recurring generic patterns" Make the return type of the base class builder methods a generic argument. public class NutritionFacts { private final int calories; public static class Builder<...
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The case against checked exceptions

...jlsberg and his work, this argument has always struck me as bogus. It basically boils down to: "Checked exceptions are bad because programmers just abuse them by always catching them and dismissing them which leads to problems being hidden and ignored that would otherwise be presented to the us...
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How do I get Fiddler to stop ignoring traffic to localhost?

...ddler to monitor HTTP Requests & Responses in Internet Explorer it ignores all traffic directed to http://localhost . 14 A...
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Can a project have multiple origins?

... as you want, but you can only have one remote named "origin". The remote called "origin" is not special in any way, except that it is the default remote created by Git when you clone an existing repository. You can configure a second remote, push to/pull from that remote, and setup some branches to...
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What is the relation between BLAS, LAPACK and ATLAS

...re related and how I should use them together! I have been looking through all of their manuals and I have a general idea of BLAS and LAPACK and how to use them with the very few examples I find, but I can't find any actual examples using ATLAS to see how it is related with these two. ...