activemodel 4.2.0.beta1

A toolkit for building modeling frameworks like Active Record. Rich support for attributes, callbacks, validations, serialization, internationalization, and testing.

Gemfile:
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install:
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Versions:

8.1.1 October 28, 2025 (69 KB)
8.1.0 October 22, 2025 (69 KB)
8.1.0.rc1 October 15, 2025 (69 KB)
8.1.0.beta1 September 04, 2025 (69 KB)
8.0.4 October 28, 2025 (67.5 KB)
4.2.0.beta1 August 20, 2014 (44 KB)

Show all versions (452 total)

Runtime Dependencies (2):

activesupport = 4.2.0.beta1

builder ~> 3.1

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Owners:

Authors:

David Heinemeier Hansson

SHA 256 checksum:

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Total downloads 758,883,017

For this version 35,938

Version Released:
August 20, 2014 2:33am

License:
MIT

Required Ruby Version: >= 1.9.3

New versions require MFA: true

Required Rubygems Version: > 1.3.1

Links:

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