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In Scala how do I remove duplicates from a list?

... Have a look at the ScalaDoc for Seq, scala> dirty.distinct res0: List[java.lang.String] = List(a, b, c) Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set impl...
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How to create named and latest tag in Docker?

Supposed I have an image that I want to tag as 0.10.24 (in my case it's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter. ...
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How to concatenate two strings in C++?

I have a private class variable char name[10] to which I would like to add the .txt extension so that I can open the file present in the directory. ...
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip

... answered Jul 21 '09 at 2:25 kquinnkquinn 9,23133 gold badges3232 silver badges3535 bronze badges ...
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Canary release strategy vs. Blue/Green

... Dave SchweisguthDave Schweisguth 30.4k99 gold badges8484 silver badges106106 bronze badges ...
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JavaScript - Get minutes between two dates

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In Python, how do I iterate over a dictionary in sorted key order?

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Remove last character from C++ string

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How do I clear all options in a dropdown box?

...DropList"); var length = select.options.length; for (i = length-1; i >= 0; i--) { select.options[i] = null; } share | improve this answer | follow | ...
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Are class names in CSS selectors case sensitive?

... | edited Feb 3 '18 at 20:45 chharvey 5,60944 gold badges4040 silver badges7171 bronze badges answered...