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Sort NSArray of date strings or objects
...NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison function. (NSDate objects know how to comp...
How does java do modulus calculations with negative numbers?
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Both definitions of modulus of negative numbers are in use - some languages use one definition and some the other.
If you want to get a negative number for negative inputs then you can use this:
int r = x % n;
if (r > 0 && x < 0)
{
r -= n;
}
Likewise if you were usi...
How to get current page URL in MVC 3
I am using the Facebook comments plugin on a blog I am building. It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page.
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multiple prints on the same line in Python
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You can use the print statement to do this without importing sys.
def install_xxx():
print "Installing XXX... ",
install_xxx()
print "[DONE]"
The comma on the end of the print line prevents print from issuing a new line (you should note tha...
Send POST data on redirect with JavaScript/jQuery? [duplicate]
...g a hidden URL, and I can’t simply place it in the URL as a GET for cosmetic reasons.
11 Answers
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
I am trying to set up multiple setting files (development, production, ..) that include some base settings. Cannot succeed though. When I try to run ./manage.py runserver I am getting the following error:
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npm install private github repositories by dependency in package.json
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Try this:
"dependencies" : {
"name1" : "git://github.com/user/project.git#commit-ish",
"name2" : "git://github.com/user/project.git#commit-ish"
}
You could also try this, where visionmedia/express is name/repo:
"dependencies" : {
"express" : "vision...
How to access the local Django webserver from outside world
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You have to run the development server such that it listens on the interface to your network.
E.g.
python manage.py runserver 0.0.0.0:8000
listens on every interface on port 8000.
It doesn't matter whether you access the webserver with the IP or t...
vim - How to delete a large block of text without counting the lines?
...en move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d.
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Indenting code in Sublime text 2?
...so the code is structured nicely and readable. Is there a shortcut in Sublime 2 to do the same?
20 Answers
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