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Validate uniqueness of multiple columns

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Difference between database and schema

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Removing a model in rails (reverse of “rails g model Title…”)

...ail NikalyukinMikhail Nikalyukin 11.4k11 gold badge4242 silver badges6969 bronze badges ...
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Java unchecked: unchecked generic array creation for varargs parameter

...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
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How to implement my very own URI scheme on Android

... scale. – icyerasor Oct 2 '18 at 21:24 add a comment  |  ...
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Efficient way to apply multiple filters to pandas DataFrame or Series

... | edited Jul 24 '18 at 8:25 answered Feb 27 '18 at 12:16 ...
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Meaning of acronym SSO in the context of std::string

...m_sso; }; For a 64-bit system, that generally means that std::string has 24 bytes of 'overhead' per string, plus another 16 for the SSO buffer (16 chosen here instead of 20 due to padding requirements). It wouldn't really make sense to store those three data members plus a local array of character...
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Asynctask vs Thread in android

...n activity is killed. – leRobot Feb 24 '15 at 18:33 add a comment  |  ...
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How does Activity.finish() work in Android?

... 124 Does it exits immediately or completes the function from which it was called ? The met...
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How to change the decimal separator of DecimalFormat from comma to dot/point?

... ChrisChris 7,09011 gold badge2424 silver badges3636 bronze badges 1 ...