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Is there a way to change the spacing between legend items in ggplot2?

Is there a way to change the spacing between legend items in ggplot2? I currently have 8 Answers ...
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Seeking clarification on apparent contradictions regarding weakly typed languages

I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically. ...
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Can I use git diff on untracked files?

Is it possible to ask git diff to include untracked files in its diff output, or is my best bet to use git add on the newly created files and the existing files I have edited, then use: ...
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How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”

How to get timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss" 7 Answers 7 ...
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How can I add an empty directory to a Git repository?

How can I add an empty directory (that contains no files) to a Git repository? 35 Answers ...
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How to hide a in a menu with CSS?

I've realized that Chrome, it seems, will not allow me to hide <option> in a <select> . Firefox will. 13 Ans...
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Why java.util.Optional is not Serializable, how to serialize the object with such fields

The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional ...
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SVG get text element width

I'm working on some ECMAScript/JavaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are...
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Why are C# 3.0 object initializer constructor parentheses optional?

It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...
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ruby inheritance vs mixins

In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance. ...