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How can I request the vibrate permission?

How can I request the vibrate permission in my Android application? 2 Answers 2 ...
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How to declare Return Types for Functions in TypeScript

...which is the TypeScript Language Specifications but I couldn't see one thing that how I can declare a return type of the function. I showed what I was expecting in the code below : greet(name:string) :string {} ...
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Python: Get the first character of the first string in a list?

How would I get the first character from the first string in a list in Python? 4 Answers ...
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What is mattr_accessor in a Rails module?

I couldn't really find this in Rails documentation but it seems like 'mattr_accessor' is the Module corollary for 'attr_accessor' (getter & setter) in a normal Ruby class . ...
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What exactly is Python multiprocessing Module's .join() Method Doing?

Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing. ...
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Get original URL referer with PHP?

I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page. ...
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MySQL: how to get the difference between two timestamps in seconds

Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that? ...
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JavaScript exponents

How do you do exponents in JavaScript? 5 Answers 5 ...
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Simple (I think) Horizontal Line in WPF?

Creating a relatively simple data entry form, and just want to separate certain sections with a horizontal line (not unlike an HR tag in HTML) that stretches the full length of the form. ...
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Lowercase and Uppercase with jQuery

How do I transpose a string to lowercase using jQuery? I've tried 3 Answers 3 ...