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How to express a NOT IN query with ActiveRecord/Rails?

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Is there an equivalent of lsusb for OS X

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Setting Short Value Java

... You are right on both. I should have been more clear that I'm talking about integer literals here, not about floating-point literals. – Lauri Feb 19 '10 at 8:55 ...
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Initializing a list to a known number of elements in Python [duplicate]

...business goals, maintainance cost, engineering time to write it, are often more important. – user26294 Feb 6 '09 at 21:07 95 ...
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Get first key in a (possibly) associative array?

...ay without resetting the internal pointer. Check out the documentation for more info. You can use reset and key: reset($array); $first_key = key($array); It's essentially the same as your initial code, but with a little less overhead, and it's more obvious what is happening. Just remember to ...
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Find a Pull Request on Github where a commit was originally created

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Django vs. Model View Controller [closed]

...ost of the excitement happens in models, templates and views. You can read more about MTV / MVC here: The MTV (or MVC) Development Pattern If you’re familiar with other MVC Web-development frameworks, such as Ruby on Rails, you may consider Django views to be the controllers and Django templates ...
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Get cookie by name

... Warning about implementation in this answer: if there is more than one cookie by the same name then no cookie value will be returned. For example, if there's a cookie named stackToken set for domains .stackexchange.com as well as programmers.stackexchange.com then if you call getCo...
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Reference requirements.txt for the install_requires kwarg in setuptools setup.py file

...This doesn't filter environment markers though. In old versions of pip, more specifically older than 6.0, there is a public API that can be used to achieve this. A requirement file can contain comments (#) and can include some other files (--requirement or -r). Thus, if you really want to parse a...
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How to create a windows service from java app

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