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What happens if i return before the end of using statement? Will the dispose be called?
...ll be disposed of regardless of the completion path.
Further reading...
http://aspadvice.com/blogs/name/archive/2008/05/22/Return-Within-a-C_2300_-Using-Statement.aspx
http://csharpfeeds.com/post/8451/Return_Within_a_Csharp_Using_Statement.aspx
...
When should I use the Visitor Design Pattern? [closed]
...want to make the fewest possible modifications to it.
The Visitor pattern allows you to move each new operation in a suitable class, and you need to extend the hierarchy's interface only once. Let's do it. First, we define an abstract operation (the "Visitor" class in GoF) which has a method for ev...
Python: avoid new line with print command [duplicate]
...ork on 3.x, you suppress using print('whateverhere', end='') where end normally defaults to '\n'
– Jon Clements♦
Jun 29 '12 at 17:19
...
Python strftime - date without leading 0?
...tion between % and the letter (such as 'd' for day of month), according to http://docs.python.org/library/time.html -- but it's definitely a non-portable solution (e.g. doesn't work on my Mac;-). Maybe you can use a string replace (or RE, for really nasty format) after the strftime to remedy that? ...
Having Django serve downloadable files
... (or the file itself), but the actual file serving is handled by Apache/Lighttpd. Once you've set up mod_xsendfile, integrating with your view takes a few lines of code:
from django.utils.encoding import smart_str
response = HttpResponse(mimetype='application/force-download') # mimetype is replace...
What is the syntax rule for having trailing commas in tuple definitions?
...
In all cases except the empty tuple the comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to a...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...
See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page for "BEGIN RSA PRIVATE KEY") (archive link for posterity, just in case).
BEGIN RSA PRIVATE KEY is PKCS#1 and is just an RSA key. It is ...
Django TemplateDoesNotExist?
... assuming that you have the apps configured in settings.py like this:
INSTALLED_APPS = (
'appname1',
'appname2',
'appname3',
)
By default Django will load the templates under templates/ directory under every installed apps. So with your directory structure, we want to move our templat...
Call a Javascript function every 5 seconds continuously [duplicate]
...
Good working example here: http://jsfiddle.net/MrTest/t4NXD/62/
Plus:
has nice fade in / fade out animation
will pause on :hover
will prevent running multiple actions (finish run animation before starting second)
will prevent going broken when in th...
What is the definition of “interface” in object oriented programming
... one of the more overloaded and confusing terms in development.
It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...