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learner has asked 111 questions and find answers to 2 problems.

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learner questions

lifecycle: when do I hide and show tab bar in UIViewController
Scala's implicit setter and getter example from book yields compile error
Converting string to short in python
How do I find center of drawable for android canvas
Read python stdout as string
Where do I save selector color on android
Cannot find Mercurial global configuration file on osx
How do I get the title UILabel of a UIViewController
Convert string to an integer using a given base
Enumerator vs Iterator in scala and java

learner answers

hide and show left navigation bar button on demand in iOS-7