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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 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...
Does JavaScript guarantee object property order?
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12 Answers
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How to select the rows with maximum values in each group with dplyr? [duplicate]
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132
Try this:
result <- df %>%
group_by(A, B) %>%
filter(value...
How to change file encoding in NetBeans?
I want to change encoding of file in NetBeans IDE (ver 6.9.1), let's say from ANSII to UTF-8. How can I do that?
8 Answers
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Assigning variables with dynamic names in Java
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111
This is not how you do things in Java. There are no dynamic variables in Java. Java variabl...
Android studio: new project vs new module
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102
From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in Int...
IntelliJ: Working on multiple projects
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19 Answers
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