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Determine distance from the top of a div to top of window with javascript

How do I determine the distance between the very top of a div to the top of the current screen? I just want the pixel distance to the top of the current screen, not the top of the document. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Tha...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown? ...
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?

It seems to me that you can do the same thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example: ...
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Populating a ListView using an ArrayList?

My Android app needs to populate the ListView using the data from an ArrayList . 5 Answers ...
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c

According to EU Article 5(3) of the E-Privacy Directive (a.k.a 'The Cookie Laws'), web sites that target EU users have to gain opt-in consent from users before they set a cookie. ...
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Overriding Binding in Guice

I've just started playing with Guice, and a use-case I can think of is that in a test I just want to override a single binding. I think I'd like to use the rest of the production level bindings to ensure everything is setup correctly and to avoid duplication. ...
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Detect 7 inch and 10 inch tablet programmatically

Is there a way to programmatically find whether the device the app is installed on is a 7 inch tablet or a 10 inch tablet? ...
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Why use static_cast(x) instead of (int)x?

I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why? ...
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Using {} in a case statement. Why?

What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that? ...
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How do I undo the most recent local commits in Git?

I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet. 86 Answers ...