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How to render a PDF file in Android

Android does not have PDF support in its libraries. Is there any way to render PDF files in the Android applications? 9 Ans...
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How to get the absolute coordinates of a view

...left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this? ...
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Bidirectional 1 to 1 Dictionary in C#

...neToOne<T, S> which is guaranteed to only contain one of each value and key (up to RefEquals anyway), and which can be searched using either key or value. Anyone know of one, or should I just implement it myself? I can't believe that I'm the first person to need this... ...
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Do you have to put Task.Run in a method to make it async?

I'm trying to understand async await in the simplest form. I want to create a very simple method that adds two numbers for the sake of this example, granted, it's no processing time at all, it's just a matter of formulating an example here. ...
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How to sort a Ruby Hash by number value?

...e your code to: metrics.sort {|a1,a2| a2[1].to_i <=> a1[1].to_i } Converted to strings along the way or not, this will do the job. share | improve this answer | foll...
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Why can't the C# constructor infer type?

... could identify all types called Foo in scope regardless of generic arity, and then do overload resolution on each using a modified method type inference algorithm. We'd then have to create a 'betterness' algorithm that determines which of two applicable constructors in two types that have the same ...
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Swift Programming: getter/setter in stored property

... var rank: Int = 0 { didSet { // Say 1000 is not good for you and 999 is the maximum you want to be stored there if rank >= 1000 { rank = 999 } } } share | ...
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Remove Primary Key in MySQL

... Note that you have a composite PRIMARY KEY which covers all three columns and id is not guaranteed to be unique. If it happens to be unique, you can make it to be a PRIMARY KEY and AUTO_INCREMENT again: ALTER TABLE user_customer_permission MODIFY id INT NOT NULL PRIMARY KEY AUTO_INCREMENT; ...
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What exactly do “u” and “r” string flags do, and what are raw string literals?

...slashes are literal backslashes, not part of escape codes. You can try to convert a Unicode string to an old string using the str() function, but if there are any unicode characters that cannot be represented in the old string, you will get an exception. You could replace them with question marks f...
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How to change fontFamily of TextView in Android

So I'd like to change the android:fontFamily in Android but I don't see any pre-defined fonts in Android. How do I select one of the pre-defined ones? I don't really need to define my own TypeFace but all I need is something different from what it shows right now. ...