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How can I make Vim's `J` and `gq` commands use one space after a period?

When I use Vim's J command, most lines are joined with a single space for padding. But after a period Vim always uses two spaces. Take the following example: ...
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getApplicationContext(), getBaseContext(), getApplication(), getParent()

What is the difference between: 2 Answers 2 ...
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Node.js + Express: Routes vs controller

...o Node.js and Express, I am trying to understand the two seems overlapping concepts, routes vs controller. 2 Answers ...
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How to remove all rows in a numpy.ndarray that contain non-numeric values

Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA "). ...
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Which is the first integer that an IEEE 754 float is incapable of representing exactly?

For clarity, if I'm using a language that implements IEE 754 floats and I declare: 2 Answers ...
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Ruby combining an array into one string

In Ruby is there a way to combine all array elements into one string? 3 Answers 3 ...
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Difference between this and self in self-type annotations?

In various Scala literature I see some self-type annotations using "this" and others using "self": 2 Answers ...
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How to write UPDATE SQL with Table alias in SQL Server 2008?

I have a very basic UPDATE SQL - 2 Answers 2 ...
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Node.JS constant for platform-specific new line?

Is there a constant available in Node.JS for a newline character that is specific to the platform the application is running on? ...
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What does the @ symbol represent in objective-c?

I'm learning objective-c and keep bumping into the @ symbol. It is used in different scenarios, for example at the start of a string or to synthesise accessor methods. ...