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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
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When I'm not worried about performance, I'll often use this:
if my_string.to_s == ''
# It's...
setBackground vs setBackgroundDrawable (Android)
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How do you make a WPF slider snap only to discrete integer positions?
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answered Oct 6 '08 at 2:10
Brian StewartBrian Stewart
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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
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In Visual Studio 2013 and later, this functionality is built in. ALT + UP/DOWN will move a line ...
How to calculate the time interval between two time strings
I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
getActivity() returns null in Fragment function
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edited May 23 '16 at 5:31
Milad Faridnia
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How is an overloaded method chosen when a parameter is the literal null value?
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Is null a String variable pointing to nothing ?
A null reference can be converted to an exp...
Mercurial for Beginners: The Definitive Practical Guide
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Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() retur...
How to get the current loop index when using Iterator?
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