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Python nested functions variable scoping [duplicate]
...error:
UnboundLocalError: local variable '_total' referenced before assignment
This problem is caused by this line:
_total += PRICE_RANGES[key][0]
The documentation about Scopes and Namespaces says this:
A special quirk of Python is that – if no global statement is in effect – assignm...
How do I get the height and width of the Android Navigation Bar programmatically?
...ly removable in Android. It has been part of Android since 3.0 as a replacement for hardware buttons. Here is a picture:
18...
How to list the files inside a JAR file?
...Entry e = zip.getNextEntry();
if (e == null)
break;
String name = e.getName();
if (name.startsWith("path/to/your/dir/")) {
/* Do something with this entry. */
...
}
}
}
else {
/* Fail... */
}
Note that in Java 7, you can create a FileSystem from the JAR (zip)...
Clear the entire history stack and start a new activity on Android
...ed pure hackery. You should not do that. :)
Edit:
As per @Ben Pearson's comment, for API <=10 now one can use IntentCompat class for the same. One can use IntentCompat.FLAG_ACTIVITY_CLEAR_TASK flag to clear task. So you can support pre API level 11 as well.
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Completion handler for UINavigationController “pushViewController:animated”?
...Controller to present the next view controllers.
With iOS5 there´s a new method to presenting UIViewControllers :
9 Answ...
Delete all local git branches
I follow a development process where I create a new local branch for every new feature or story card. When finished I merge the branch into master and then push.
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What's the best way to do a backwards loop in C/C#/C++?
... of doing this is
for (int i = myArray.Length; i --> 0; )
{
//do something
}
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Paging UICollectionView by cells, not screen
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How to hide one item in an Android Spinner
...here is always one item in the spinner that doesn't generate a callback, namely the current one.
8 Answers
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Easy way of running the same junit test over and over?
Like the title says, I'm looking for some simple way to run JUnit 4.x tests several times in a row automatically using Eclipse.
...