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What does the caret operator (^) in Python do?

... +1 for pointing out what it really does, outside of the integer operation. – Mike DeSimone Mar 16 '10 at 3:36 add a comment  |...
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CSS3 :unchecked pseudo-class

...orresponding :unchecked pseudo. Browser support for :not() and :checked is identical, so that shouldn't be a problem. This may seem inconsistent with the :enabled and :disabled states, especially since an element can be neither enabled nor disabled (i.e. the semantics completely do not apply), howe...
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What is the difference between '>' and a space in CSS selectors?

...there are no other elements inbetween). A B will select any B that are inside A, even if there are other elements between them. share | improve this answer | follow ...
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How do we use runOnUiThread in Android?

I'm new to Android and I'm trying to use the UI-Thread, so I've written a simple test activity. But I think I've misunderstood something, because on clicking the button - the app does not respond anymore ...
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Passing two command parameters using a WPF binding

...erter="{StaticResource YourConverter}"> <Binding Path="Width" ElementName="MyCanvas"/> <Binding Path="Height" ElementName="MyCanvas"/> </MultiBinding> </Button.CommandParameter> </Button> In your converter: public class YourCo...
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Java NIO FileChannel versus FileOutputstream performance / usefulness

...with larger files sizes has been that java.nio is faster than java.io. Solidly faster. Like in the >250% range. That said, I am eliminating obvious bottlenecks, which I suggest your micro-benchmark might suffer from. Potential areas for investigating: The buffer size. The algorithm you basi...
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mkdir's “-p” option

...r request, not returning any error in case that directory exists. About rlidwka, Google has a very good memory for acronyms :). My search returned this for example: http://www.cs.cmu.edu/~help/afs/afs_acls.html Directory permissions l (lookup) Allows one to list the contents of a directory. ...
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Java Persistence / JPA: @Column vs @Basic

... @Basic(optional) is (should be) checked on runtime by persistence provider before saving to DB. @Column is a column definition in database and is used for schema generation : stackoverflow.com/questions/2899073/… – Piotr Gwiazda Jun 16 '10 at 10:30 ...
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What is pluginManagement in Maven's pom.xml?

...ou still need to add <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-dependency-plugin</artifactId> </plugin> </plugins> in your build, because pluginManagement is only a way to share the sam...
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Get item in the list in Scala?

...() ++ myArrayBuffer, which will work for almost any collection (on either side). ++ builds a new collection from the two you specify, preserving the type of the one on the left. Vector() is the empty vector, so it would produce what you want. – Rex Kerr Feb 1...