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How to run Django's test database only in memory?
...peed that up. I'm considering installing an SSD , but I know that has its downsides too. Of course, there are things I could do with my code, but I'm looking for a structural fix. Even running a single test is slow since the database needs to be rebuilt / south migrated every time. So here's my ide...
Function for Factorial in Python
How do I go about computing a factorial of an integer in Python?
8 Answers
8
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Why use the INCLUDE clause when creating an index?
...ly useful for JOINs or sorting. And because they are not key columns, they don't sit in the whole B-tree structure like key columns
– gbn
May 8 '13 at 7:51
4
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Search all tables, all columns for a specific value SQL Server [duplicate]
...ments'. I need to find all instances of this in the database as I need to do an update on the format to change it to (*) Comments.
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How to show math equations in general github's markdown(not github's blog)
After investigating, I've found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations:
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Can you disable tabs in Bootstrap?
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As of 2.1, from bootstrap documentation at http://twitter.github.com/bootstrap/components.html#navs, you can.
Disabled state
For any nav component (tabs, pills, or list), add .disabled for gray
links and no hover effects. Links will remain ...
Saving and loading objects and using pickle
...be read from the beginning again:
file.seek(0)
What you usually want to do though, is to use a context manager to open the file and read data from it. This way, the file will be automatically closed after the block finishes executing, which will also help you organize your file operations into me...
Rails: What's a good way to validate links (URLs)?
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Validating an URL is a tricky job. It's also a very broad request.
What do you want to do, exactly? Do you want to validate the format of the URL, the existence, or what? There are several possibilities, depending on what you want to do.
A regular expression can validate the format of the URL. Bu...
Round to 5 (or other number) in Python
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I don't know of a standard function in Python, but this works for me:
Python 2
def myround(x, base=5):
return int(base * round(float(x)/base))
Python3
def myround(x, base=5):
return base * round(x/base)
It is eas...
How to easily resize/optimize an image size with iOS?
My application is downloading a set of image files from the network, and saving them to the local iPhone disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'...