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How do I use a Boolean in Python?

Does Python actually contain a Boolean value? I know that you can do: 7 Answers 7 ...
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How to create a drop shadow only on one side of an element?

Is there a way to drop the shadow only on the bottom?. I have a menu with 2 images next to each other. I don't want a right shadow because it overlaps the right image. I don't like to use images for this so is there a way to drop it only on the bottom like: ...
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Check time difference in Javascript

How would you check time difference from two text-boxes in Javascript? 17 Answers 17 ...
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Group by multiple columns in dplyr, using string vector input

I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns. 9 Answ...
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How do I use vim registers?

I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard. 16 Answers ...
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How to get the type of a variable in MATLAB?

Does MATLAB have a function/operator that indicates the type of a variable (similar to the typeof operator in JavaScript)? ...
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Why do people say there is modulo bias when using a random number generator?

I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++. ...
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Detect Browser Language in PHP

I use the following PHP script as index for my website. 12 Answers 12 ...
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Changing iframe src with Javascript

I am trying to change an <iframe src=... > when someone clicks a radio button. For some reason my code is not working correctly and I am having trouble figuring out why. Here is what I have: ...
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Bitwise operation and usage

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