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How to have favicon / icon set when bookmarklet dragged to toolbar?

I've made myself a bookmarklet, and it functions just fine, but when added to a toolbar in Opera or Firefox, it just takes on the default bookmark icon for the browser (a globe and a star, respectively). My site has a favicon, and the window, tab and even [site] bookmark uses the favicon I've speci...
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Covariance, Invariance and Contravariance explained in plain English?

Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM. ...
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How to print a date in a regular format?

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What is the difference between HashSet and List?

Can you explain what is the difference between HashSet<T> and List<T> in .NET? 8 Answers ...
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How to pass objects to functions in C++?

I am new to C++ programming, but I have experience in Java. I need guidance on how to pass objects to functions in C++. 7 A...
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Why doesn't Java allow to throw a checked exception from static initialization block?

Why doesn't Java allow to throw a checked exception from a static initialization block? What was the reason behind this design decision? ...
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Scala: What is a TypeTag and how do I use it?

All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject. ...
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Git and Mercurial - Compare and Contrast

For a while now I've been using subversion for my personal projects. 11 Answers 11 ...
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Pandas: drop a level from a multi-level column index?

If I've got a multi-level column index: 7 Answers 7 ...
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How to select rows from a DataFrame based on column values?

How to select rows from a DataFrame based on values in some column in Pandas? 10 Answers ...