Developer Interview Questions

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You’re writing a monitoring app that periodically checks if a website is up. Of those listed below, what is the BEST way to schedule these periodic checks? A. Register a WakeLock with PowerManager. B. Call setInexactRepeating on AlarmManager. C. Post to a Handler with postDelayed. D. Call setPeriodicTimer on TimerService.
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Android Developer

Interviewed at Meta

3.6
May 1, 2015

You’re writing a monitoring app that periodically checks if a website is up. Of those listed below, what is the BEST way to schedule these periodic checks? A. Register a WakeLock with PowerManager. B. Call setInexactRepeating on AlarmManager. C. Post to a Handler with postDelayed. D. Call setPeriodicTimer on TimerService.

Convert number above in hexadecimal 312312 Ex. 255 -> FF 254 -> 254 div 16 = 14, int(254/16) = 15. -> F, E Later I found the detailed Division-remainder in source base http://en.wikipedia.org/wiki/Hexadecimal#Division-remainder_in_source_base
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Perl Developer

Interviewed at Booking.com

4.1
Feb 6, 2015

Convert number above in hexadecimal 312312 Ex. 255 -> FF 254 -> 254 div 16 = 14, int(254/16) = 15. -> F, E Later I found the detailed Division-remainder in source base http://en.wikipedia.org/wiki/Hexadecimal#Division-remainder_in_source_base

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