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Android : Check whether the phone is dual SIM

After a lot of research on forums, now I know that there is no way to find IMSI or SIM serial number for both the SIM cards in a dual SIM phone (except for contacting the manufacturer). Now my changed question is, can we at all detect that the phone has two SIMs? I believe it can be detected with so...
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How do you use Mongoose without defining a schema?

...ing({ iAmNotInTheSchema: true }); thing.save() // iAmNotInTheSchema is now saved to the db!! share | improve this answer | follow | ...
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What is unit testing? [closed]

...er way to look at unit testing is that you write the tests first. This is known as Test-Driven Development (TDD for short). TDD brings additional advantages: You don't write speculative "I might need this in the future" code -- just enough to make the tests pass The code you've written is always c...
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How to take screenshot with Selenium WebDriver

Does anyone know if it's possible to take a screenshot using Selenium WebDriver? (Note: Not Selenium RC) 45 Answers ...
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LEFT OUTER joins in Rails 3

...In Rails 3, this is the only way to have true control over your joins and know exactly what's going on. – Joshua Pinter Jan 29 '18 at 16:26 add a comment  |...
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How to reference style attributes from a drawable?

...possible to live without if you have multiple themes within an app. Right now I have to make three drawable XMLs for each of custom button types! – Stephan Henningsen Oct 27 '16 at 10:52 ...
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How to check if a Ruby object is a Boolean

...String".boolean? => false >> 1.boolean? => false >> Time.now.boolean? => false >> nil.boolean? => false >> true.boolean? => true >> false.boolean? => true >> (1 ==1).boolean? => true >> (1 ==2).boolean? => true ...
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Push git commits & tags simultaneously

... push" to push relevant annotated tags when pushing branches out. You can now try, when pushing new commits: git push --follow-tags That won't push all the local tags though, only the one referenced by commits which are pushed with the git push. Git 2.4.1+ (Q2 2015) will introduce the option push....
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Hibernate, @SequenceGenerator and allocationSize

We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID. ...
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How can I programmatically determine if my app is running in the iphone simulator?

As the question states, I would mainly like to know whether or not my code is running in the simulator, but would also be interested in knowing the specific iphone version that is running or being simulated. ...