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Instance variable: self vs @
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edited Nov 7 '09 at 15:08
answered Nov 7 '09 at 15:00
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What is a servicebus and when do I need one?
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answered Apr 28 '10 at 5:28
Udi DahanUdi Dahan
11.2k1919 silver badges3131 bronze badges
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When to add what indexes in a table in Rails
... column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created automatically, for more information see here.
Should I add "index" to the automatically created "id" column?
No, this is already done by rails
Should I add "index(unique)" to the...
How to check if a table exists in a given schema
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answered Jun 6 '14 at 19:58
Erwin BrandstetterErwin Brandstetter
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All but last element of Ruby array
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5
Adding a method to Array seems like the best approach to me. Most projects end up with a core_ext.rb file with little extensions like this. ...
What does (angle brackets) mean in Java?
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It's really simple. It's a new feature introduced in J2SE 5. Specifying angular brackets after the class name means you are creating a temporary data type which can hold any type of data.
Example:
class A<T>{
T obj;
void add(T obj){
this.obj=obj;
}
T ...
What is the difference between “AS” and “IS” in an Oracle stored procedure?
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54
One minor difference...
They are synonyms for packages and procedures, but not for cursors:
T...