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Compute a confidence interval from sample data

I have sample data which I would like to compute a confidence interval for, assuming a normal distribution. 4 Answers ...
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How does the new automatic reference counting mechanism work?

Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked. ...
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How can I keep Bootstrap popovers alive while being hovered?

I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this? ...
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Why do we need tuples in Python (or any immutable data type)?

I've read several python tutorials (Dive Into Python, for one), and the language reference on Python.org - I don't see why the language needs tuples. ...
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Change / Add syntax highlighting for a language in Sublime 2/3

I want to change / add syntax highlighting for a language in Sublime 2/3. 5 Answers 5 ...
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How can I selectively merge or pick changes from another branch in Git?

I'm using Git on a new project that has two parallel -- but currently experimental -- development branches: 25 Answers ...
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reStructuredText tool support

I am a great fan of reStructuredText , however the tools that support it are scattered all over the Internet. The official tool list is incomplete and/or outdated, and can be updated only via commit privileges. For some time there was a comprehensive list at the Wikipedia reStructuredText page ,...
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What do (lambda) function closures capture?

Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code: ...
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Assign pandas dataframe column dtypes

I want to set the dtype s of multiple columns in pd.Dataframe (I have a file that I've had to manually parse into a list of lists, as the file was not amenable for pd.read_csv ) ...
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difference between iframe, embed and object elements

HTML5 defines several embedded content elements, which, from a bird's-eye view, seem to be very similar to the point of being largely identical. ...