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Rails find_or_create_by more than one attribute?
...ll of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
became
GroupMember.find_or_create_by(member_id: 4, group_id: 7)
...
How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
...
There can be only one auto column
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Limits of Nat type in Shapeless
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Make column not nullable in a Laravel migration
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How to get the date from jQuery UI datepicker
...
the link to getdate: https://api.jqueryui.com/datepicker/#method-getDate
$("#datepicker").datepicker( 'getDate' );
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Select records from NOW() -1 Day
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Confusion between numpy, scipy, matplotlib and pylab
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WAMP shows error 'MSVCR100.dll' is missing when install
...edistributable for Visual Studio 2012 Update 4
You can download it at:
https://www.microsoft.com/en-us/download/details.aspx?id=30679
There you can select the x86 or x64 version depending on your system
This article on the WampServer forums shows all the Microsoft Visual C++ runtime librarie...
How are booleans formatted in Strings in Python?
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