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What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...context.Observations.AsQueryable());
The result:
Compile-time type: Table`1
Actual type: Table`1
Compile-time type: IEnumerable`1
Actual type: Table`1
Compile-time type: IQueryable`1
Actual type: Table`1
You see that the table class itself is always returned, but its representation changes.
Now ...
How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent associ...
Git pre-push hooks
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14
I would rather run the test in a pre-commit-hook. Because the change is already recorded when c...
Add to Array jQuery
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301
For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects...
How do I use a Boolean in Python?
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142
checker = None
if some_decision:
checker = True
if checker:
# some stuff
[Edit]
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RootViewController Switch Transition Animation
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11 Answers
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Object comparison in JavaScript [duplicate]
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10 Answers
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Uncaught TypeError: undefined is not a function on loading jquery-min.js
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