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rotating axis labels in R
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What is the recommended approach towards multi-tenant databases in MongoDB?
...und this article on mongodb support site (way back added since it's gone):
https://web.archive.org/web/20140812091703/http://support.mongohq.com/use-cases/multi-tenant.html
The guys stated to avoid 2nd options at any cost, which as I understand is not particularly specific to mongodb. My impression...
Determine if ActiveRecord Object is New
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mvn clean install vs. deploy vs. release
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Stream vs Views vs Iterators
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Using ping in c#
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Checking if an instance's class implements an interface?
...
Added some dots to actually "feel" see the difference.
Generated by this: https://3v4l.org/8Cog7
Conclusion
In case you have an object to check, use instance of like mentioned in the accepted answer.
In case you have a class to check, use is_a.
Bonus
Given the case you want to instantiate a class b...
Directive isolate scope with ng-repeat scope in AngularJS
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How to read the Stock CPU Usage data
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How do I change the background color of a plot made with ggplot2
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