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Python nested functions variable scoping [duplicate]
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When I run your code I get this 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 ...
Capture HTML Canvas as gif/jpg/png/pdf?
...s-domain resources in rendering your canvas, you will encounter a security error when you try to use the toDataUrl method.
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How to pull a random record using Django's ORM?
...the count changes in between, it might be possible to get an out of bounds error.
– Nelo Mitranim
Sep 12 '15 at 9:37
2
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Accessing nested JavaScript objects and arays by string path
...le.net/alnitak/hEsys/
EDIT some have noticed that this code will throw an error if passed a string where the left-most indexes don't correspond to a correctly nested entry within the object. This is a valid concern, but IMHO best addressed with a try / catch block when calling, rather than having...
wkhtmltopdf: cannot connect to X server
...//www.google.com test.pdf
If it works, then you are done. If you get the error "Cannot connect to X server" then continue to number 7.
We need to run it headless on a 'virtual' x server. We will do this with a package called xvfb.
sudo apt-get install xvfb
We need to write a little shell script...
Clearing purchases from iOS in-app purchase sandbox for a test user
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couldn't get this to work. I'm getting a build error. I copied all the files in the zip into my project and replaced all the #import <StoreKit/StoreKit.h> with #define ILSimReplaceRealStoreKit 1 #import "ILSimStoreKit.h"
– Jay Q.
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How to disable and re-enable console logging in Python?
...EBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
So, if you set your_level to logging.CRITICAL, you will get only critical messages sent by:
logging.critical('This is a critical error message')
Setting your_lev...
How do I update a Linq to SQL dbml file?
...d tried 1a and 1c without 1b and was getting 'Specified cast is not valid' errors when performing a simple select on a view. Including 1b fixed it for me
– tomfumb
Nov 29 '11 at 19:40
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JFrame in full screen Java
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I will tell you the error and reason. I created one AppFrame class (with some default properties) and in order to make any class as JFrame I simply extend it. It has setVisible as true. Now above three lines has to be in same order, if visibl...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...in aggregates, but also modify the handling of divide by zero and overflow errors. This causes this solution to be a "no go" for me.
– Frédéric
Jun 4 '15 at 14:53
3
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