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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?

... 205 The params in a controller looks like a Hash, but it's actually an instance of ActionController...
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What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how

...| edited Jan 13 '17 at 14:03 displayname 16.7k2626 gold badges128128 silver badges251251 bronze badges a...
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What is a proper naming convention for MySQL FKs?

... Example: CREATE TABLE users( user_id int, name varchar(100) ); CREATE TABLE messages( message_id int, user_id int ); ALTER TABLE messages ADD CONSTRAINT fk_messages_users_user_id FOREIGN KEY (user_id) REFERENCES users(user_id); I try to stick with the same fiel...
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How to re-raise an exception in nested try/except blocks?

... | edited Jul 20 at 13:45 answered Aug 12 '13 at 13:47 ...
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Do I need all three constructors for an Android custom view?

... mbonnin 5,81633 gold badges2929 silver badges5050 bronze badges answered Feb 8 '12 at 15:03 Ovidiu LatcuOvidiu Latcu 67k1414...
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?

... answered Jul 6 '10 at 14:46 Tim RobinsonTim Robinson 48.9k99 gold badges112112 silver badges126126 bronze badges ...
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Using Rails 3.1 assets pipeline to conditionally use certain css

... | edited Aug 4 '12 at 5:06 fny 22.6k1212 gold badges8080 silver badges105105 bronze badges answered Se...
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Why should I use Restify?

... 50 Corrigendum: this information is now wrong, keep scrolling! there was an issue with the scri...
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How do I run a Ruby file in a Rails environment?

..../script.rb. – stwr667 Sep 16 at 6:30 add a comment  |  ...
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Why java.io.File doesn't have a close() method?

... | edited Jul 10 '14 at 9:40 answered Jan 20 '11 at 20:37 ...