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How to convert a Drawable to a Bitmap?

I would like to set a certain Drawable as the device's wallpaper, but all wallpaper functions accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1. ...
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C multi-line macro: do/while(0) vs scope block [duplicate]

I've seen some multi-line C macros that are wrapped inside a do/while(0) loop like: 1 Answer ...
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Add column with number of days between dates in DataFrame pandas

I want to subtract dates in 'A' from dates in 'B' and add a new column with the difference. 4 Answers ...
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Check a collection size with JSTL

How can I check the size of a collection with JSTL? 4 Answers 4 ...
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How to implement a rule engine?

I have a db table that stores the following: 10 Answers 10 ...
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Insert string at specified position

Is there a PHP function that can do that? 11 Answers 11 ...
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AWK: Access captured group from line pattern

If I have an awk command 6 Answers 6 ...
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Most efficient way of making an if-elif-elif-else statement when the else is done the most?

I've got a in if-elif-elif-else statement in which 99% of the time, the else statement is executed: 5 Answers ...
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Why main does not return 0 here?

I was just reading 3 Answers 3 ...
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Methods inside enum in C#

In Java, it's possible to have methods inside an enum. 6 Answers 6 ...