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Unique fields that allow nulls in Django

...aggregates. It has been replaced with from_db_value(). Note that the new approach does not call the to_python() method on assignment as was the case with SubfieldBase. Therefore, as suggested by the from_db_value() documentation and this example, this solution must be changed to: class CharNull...
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How to check for valid email address? [duplicate]

...: http://www.faqs.org/rfcs/rfc3696.html Found some old code: import lepl.apps.rfc3696 email_validator = lepl.apps.rfc3696.Email() if not email_validator("email@example.com"): print "Invalid email" share | ...
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Can you autoplay HTML5 videos on the iPad?

...y device owners have data usage/bandwidth limits on their devices, I think Apple felt that the user themselves should decide when they initiate bandwidth usage. After a bit of research I found the following extract in the Apple documentation in regard to auto-play on iOS devices to confirm my ass...
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setting an environment variable in virtualenv

...onment variables to get its configuration, but I use virtualenv to test my app locally first. 10 Answers ...
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Cannot push to GitHub - keeps saying need merge

... a repo that I have on Github but, I had a submodule from Heroku within my app. and I had to bring the files out of the submodule and then push the updated app to Heroku. – JGallardo Nov 14 '13 at 22:37 ...
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Enable access control on simple HTTP server

...oduction frontend/SPA code deployment It can also deploy Docker and NodeJS apps. It is not really free, but they have a free plan. share | improve this answer | follow ...
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it

I just discovered that every request in an ASP.Net web application gets a Session lock at the beginning of a request, and then releases it at the end of the request! ...
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Status bar and navigation bar appear over my view's bounds in iOS 7

I recently downloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar. ...
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Accessing localhost (xampp) from another computer over LAN network - how to?

...nge the firewall and has the xampp running on it) in your web browser and happy days :) share | improve this answer | follow | ...
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]

...tion for action_mailer won't help. The use case is similar to this: Rails.application.routes.url_helpers.message_image_url(2) – Boti Jul 8 '14 at 8:50 ...