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How can I use map and receive an index as well in Scala?
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148
I believe you're looking for zipWithIndex?
scala> val ls = List("Mary", "had", "a", "littl...
Rounding BigDecimal to *always* have two decimal places
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How to compare two colors for similarity/difference
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19 Answers
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jQuery find events handlers registered with an object
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One-liner to check whether an iterator yields at least one element?
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135
any won't go beyond the first element if it's True. In case the iterator yields something fals...
How to get duplicate items from a list using LINQ? [duplicate]
...var duplicates = lst.GroupBy(s => s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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Why is '+' not understood by Python sets?
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Python sets don't have an implementation for the + operator.
You can use | for set union and ...
In git, is there a way to show untracked stashed files without applying the stash?
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Untracked files are stored in the third parent of a stash commit. (This isn't actually documen...
Rails 3 execute custom sql query without a model
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168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.ex...
How do I terminate a thread in C++11?
...ommand. I am interested in terminating the thread forcefully using pure C++11.
5 Answers
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