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Calculating arithmetic mean (one type of average) in Python

...nments on Travis CI can use a numpy installed via apt-get using the system site packages. This may be quick enough to use even if one only needs a mean. – Bengt Mar 25 '16 at 11:40 ...
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What is the most efficient way of finding all the factors of a number in Python?

... before people were really thinking about supporting Python 3. I think the site I got it from tried it against __iadd__ and it was faster. I seem to remember something about x**0.5 being faster than sqrt(x) at some point though -- and it is more foolproof that way. – agf ...
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What is the difference between sites-enabled and sites-available directory?

... The difference is that virtual sites listed in the sites-enabled directory are served by apache. In the sites-available directory there are the virtual sites that exist on your server but people can't access them because they are not enabled yet. sites...
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How do I use IValidatableObject?

...ems to only run AFTER all other validation. Additionally, at least in our site, it would run again during a save attempt. I would suggest you simply create a function and place all your validation code in that. Alternately for websites, you could have your "special" validation in the controller a...
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Should I use s and s inside my s?

... But then your site isn't friendly to non-obtrusive scripting :) – Demian Brecht Apr 4 '11 at 22:17 1 ...
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How to clear Facebook Sharer cache?

... I found a solution to my problem. You could go to this site: https://developers.facebook.com/tools/debug ...then put in the URL of the page you want to share, and click "debug". It will automatically extract all the info on your meta tags and also clear the cache. ...
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How to save an image locally using Python whose URL address I already know?

... @Yebach: The site you are downloading from may be using cookies, the User-Agent or other headers to determine what content to serve you. These will be different between your browser and Python. – Liquid_Fire ...
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Instagram how to get my user id from username?

I'm in the process of embedding my image feed in my website using JSON, the URL needs my user id so I can retrieve this feed. ...
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Invalid postback or callback argument. Event validation is enabled using '

... with a Repeater because I had a web-page with a Repeater control in a web-site which had EnableEventValidation switched on. It wasn't good. I was getting invalid postback related exceptions. What worked for me was to set EnableViewState="false" for the Repeater. The advantages are that it is simpl...
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Media Queries: How to target desktop, tablet, and mobile?

...r and convert to ems. Look at @jonikorpi screenshots of Ethan Marcotte's site behaviour with zooming and px media queries. github.com/scottjehl/Respond/issues/18 – Larry Feb 10 '12 at 14:00 ...