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Confusion between factor levels and factor labels

There seems to be a difference between levels and labels of a factor in R. Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows: ...
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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't

... I have been having exactly the same problem, and finding almost no information online about it. Nothing at all in the books. Finally I found this sober query on stackoverflow and (ha!) it was the final impetus I needed to set up an account here. And I have a partial an...
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When would you call java's thread.run() instead of thread.start()?

...() in a particular unit test that is concerned strictly with functionality and not with concurrency. share | improve this answer | follow | ...
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Forgot “git rebase --continue” and did “git commit”. How to fix?

...rebasing code in git, I got some merge conflicts. I resolved the conflicts and did: 4 Answers ...
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How to render a DateTime in a specific format in ASP.NET MVC 3?

... iterating an IEnumerable<T>. Creating a template is simple enough, and can provide a lot of flexibility too. Create a folder in your views folder for the current controller (or shared views folder) called DisplayTemplates. Inside that folder, add a partial view with the model type you want...
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Meaning of -

I am new to XML and I am trying to understand the basics. I read the line below in "Learning XML", but it is still not clear, for me. Can someone point me to a book or website which explains these basics clearly? ...
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ALTER TABLE without locking the table?

... And have a thorough test plan before swapping. If it fails, start over. – dkretz Jan 21 '09 at 2:29 2 ...
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Position Relative vs Absolute?

What is the difference between position: relative and position: absolute in CSS? And when should you use them? 10 Answe...
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Does a javascript if statement with multiple conditions test all of them?

...IT: Though, you shouldn't worry about performance until you've benchmarked and determined that it's a problem. Premature micro-optimization is the bane of maintainability. share | improve this answe...
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How do I convert an integer to binary in JavaScript?

...nswered Apr 22 '13 at 19:43 fernandosaviofernandosavio 6,82233 gold badges2020 silver badges3232 bronze badges ...