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What is the purpose of Looper and how to use it?

I am new to Android. I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it. I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpos...
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Is it ok to use dashes in Python files when trying to import them?

Basically when I have a python file like: 7 Answers 7 ...
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How to overcome root domain CNAME restrictions?

We are hosting many web applications for our customers. As is obvious they want to use their own domains to refer to those applications, usually they want that any user that either type http://www.customer1.example or http://customer1.example goes to their web application. ...
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Joda-Time: what's the difference between Period, Interval and Duration?

In Joda-Time 2, what is the difference between the three kinds of time spans: 2 Answers ...
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Find out who is locking a file on a network share

I want to known who is locking a file on a network share. 8 Answers 8 ...
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Pure virtual function with implementation

My basic understanding is that there is no implementation for a pure virtual function, however, I was told there might be implementation for pure virtual function. ...
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How to write a switch statement in Ruby

How do I write a switch statement in Ruby? 24 Answers 24 ...
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How to repeat a string a variable number of times in C++?

I want to insert 'n' spaces (or any string) at the beginning of a string in C++. Is there any direct way to do this using either std::strings or char* strings? ...
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Different ways of clearing lists

Is there any reason to do anything more complicated than one of these two lines when you want to clear a list in Python? 8 ...
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Is it a bad practice to use break in a for loop? [closed]

Is it a bad practice to use break statement inside a for loop ? 19 Answers 19 ...