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Where should Rails 3 custom validators be stored?

I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

I am working on a program that issues DDL. I would like to know whether CREATE TABLE and similar DDL can be rolled back in ...
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How to subtract 2 hours from user's local time?

Can anyone give me a simple JavaScript code block that will allow me to display the local time minus 2 hours? 2 Answers ...
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How do I do an initial push to a remote repository with Git?

I've read through countless tutorials and I keep coming up short. Here's what I've got: 6 Answers ...
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Resolving conflicts: how to accept “their” changes automatically?

When merging conflicting changes using hg merge , Mercurial inserts a set of markers into the files to be merged in my working copy like this: ...
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jQuery “Does not have attribute” selector?

I can find a div that has an attribute like so: 3 Answers 3 ...
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Commands executed from vim are not recognizing bash command aliases

I use bash on mac and one of the aliases is like this 5 Answers 5 ...
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Storing integer values as constants in Enum manner in java [duplicate]

I'm currently creating integer constants in the following manner. 6 Answers 6 ...
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How to get value from form field in django framework?

How do I get values from form fields in the django framework? I want to do this in views, not in templates... 5 Answers ...
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Add property to anonymous type after creation

I use an anonymous object to pass my Html Attributes to some helper methods. If the consumer didn't add an ID attribute, I want to add it in my helper method. ...