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Rails 3 check if attribute changed

...e form. – Peter Brown Jan 29 '13 at 20:27 what if I would want to do something like this: model.collection.changed_s...
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How to create a new (and empty!) “root” branch?

... | edited Sep 14 '15 at 20:28 VonC 985k405405 gold badges33963396 silver badges39923992 bronze badges ...
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How to change owner of PostgreSql database?

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How to find an element by matching exact text of the element in Capybara

... answer. :cry: – BM5k May 16 '14 at 20:15 why do we have \A and \z between Berlin? – Karan Verma...
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BasicHttpBinding vs WsHttpBinding vs WebHttpBinding

... | edited Jul 20 '13 at 16:09 answered Apr 16 '10 at 5:49 ...
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Java: What is the difference between and ?

...jdk/… – Cade Daniel Apr 24 '18 at 20:52 @Thilo it could also stand for "ClassLoader". – Duncan...
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Android: how to make an activity return results to the activity which calls it?

... | edited Oct 22 '19 at 20:41 answered Aug 1 '17 at 12:13 ...
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What are all the differences between src and data-src attributes?

...n the model – Jeff Mar 24 '14 at 17:20 Thanks for the clear answer :) just about to use jQuery.lazy and was not sure w...
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What is resource-ref in web.xml used for?

... | edited Mar 27 '15 at 20:50 Joshua Taylor 79.1k99 gold badges129129 silver badges287287 bronze badges ...
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events

... Almost same for me. It worked flawlessly for 100+ migrations(including ~20 data migrations) until today, while adding unique together constraint along with data migration removing duplicates before it. PostgreSQL 10.0 – LinPy fan Apr 10 '18 at 12:23 ...