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Determine if ActiveRecord Object is New
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374
An ActiveRecord object lifecycle:
1.new record
item = Item.new
item.new_record? #=> true
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Align elements side by side
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answered Feb 8 '11 at 21:41
JCOC611JCOC611
16.7k1111 gold badges5858 silver badges8585 bronze badges
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mongodb/mongoose findMany - find all documents with IDs listed in array
...e same.
model.find({
'_id': { $in: [
mongoose.Types.ObjectId('4ed3ede8844f0f351100000c'),
mongoose.Types.ObjectId('4ed3f117a844e0471100000d'),
mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
]}
}, function(err, docs){
console.log(docs);
});
This method wi...
How can I get Knockout JS to data-bind on keypress instead of lost-focus?
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4 Answers
4
Active
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How to verify a user's password in Devise
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4 Answers
4
Active
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Cannot use ref or out parameter in lambda expressions
...o visible outside the lambda expression. For example the following prints 42
void Example2(int p1) {
Action del = () => { p1 = 42; }
del();
Console.WriteLine(p1);
}
These two properties produce a certain set of effects which fly in the face of a ref parameter in the following ways
ref...
Capturing “Delete” Keypress with jQuery
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4 Answers
4
Active
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What's the difference between globals(), locals(), and vars()?
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Ethan FurmanEthan Furman
47.7k1414 gold badges113113 silver badges189189 bronze badges
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Signal handling with multiple threads in Linux
...s.
In 2.6, SIGTERM will cause child threads to exit "cleanly", where as 2.4, child threads were left in an indeterminate state.
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