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Understanding Canvas and Surface concepts
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225
Here are some definitions:
A Surface is an object holding pixels that are being composited t...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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842
Use collections.Counter:
>>> from collections import Counter
>>> A = Counter(...
How can I represent an infinite number in Python?
...d out, x is also infinity or "nan" ("not a number").
Additionally (Python 2.x ONLY), in a comparison to Ellipsis, float(inf) is lesser, e.g:
float('inf') < Ellipsis
would return true.
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PostgreSQL error: Fatal: role “username” does not exist
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edited Jun 6 at 22:57
answered Aug 12 '12 at 4:13
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How do you do a simple “chmod +x” from within python?
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201
Use os.stat() to get the current permissions, use | to or the bits together, and use os.chmod(...
Using Case/Switch and GetType to determine the object [duplicate]
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answered Apr 2 '09 at 9:10
Anton GogolevAnton Gogolev
105k3636 gold badges187187 silver badges274274 bronze badges
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Regex: match everything but specific pattern
...fic pattern (specifically index.php and what follows, like index.php?id=2342343 )
7 Answers
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Using IQueryable with Linq
...Products table, and you want to get all of the products whose cost is >$25.
If you do:
IEnumerable<Product> products = myORM.GetProducts();
var productsOver25 = products.Where(p => p.Cost >= 25.00);
What happens here, is the database loads all of the products, and passes them ac...
Connect to Amazon EC2 file directory using Filezilla and SFTP
I have created an AWS EC2 Instance and I want to be able to upload files to the server directory using FileZilla in the simplest and most straightforward fashion possible.
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How can I delay a method call for 1 second?
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256
performSelector:withObject:afterDelay:
Document Reference
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