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What is the Difference Between Mercurial and Git?
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What does the caret (^) character mean?
... than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate.
You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means the grandparent of the tip of the master branch, favoring the first par...
How to convert a JSON string to a Map with Jackson JSON
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[Update Sept 2020] Although my original answer here, from many years ago, seems to be helpful a...
How can I make space between two buttons in same div?
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
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The error message says that if you're passing scalar values, you have to pass an index. So you...
Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
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edited Mar 7 '14 at 22:08
answered Mar 7 '14 at 22:01
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What's the difference between a Python “property” and “attribute”?
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edited Jan 20 '15 at 22:23
Joshua Taylor
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Should you always favor xrange() over range()?
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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edited Jan 24 '19 at 19:55
Greg Brown
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HashSet vs LinkedHashSet
...public LinkedHashSet(Collection<? extends E> c) {
super(Math.max(2*c.size(), 11), .75f, true); // <-- boolean dummy argument
addAll(c);
}
And (one example of) a HashSet constructor that takes a boolean argument is described, and looks like this:
/**
* Constructs a new, empty l...