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How can I use map and receive an index as well in Scala?
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I believe you're looking for zipWithIndex?
scala> val ls = List("Mary", "had", "a", "little", "lamb")
scala> ls.zipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/fl...
What are Aggregates and PODs and how/why are they special?
This FAQ is about Aggregates and PODs and covers the following material:
6 Answers
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How to remove all whitespace from a string?
... vectorised, so here's a better test example:
whitespace <- " \t\n\r\v\f" # space, tab, newline,
# carriage return, vertical tab, form feed
x <- c(
" x y ", # spaces before, after and in between
" \u2190 \u2192 ", # contains unicode chars
paste0( ...
How can I start PostgreSQL server on Mac OS X?
I had forgotten to run the initdb command.
33 Answers
33
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GitHub clone from pull request?
I would like to clone a repository from GitHub. The problem is I don't want the main branch; I want the version in this unapproved pull request .
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Convert string to binary in python
I am in need of a way to get the binary representation of a string in python. e.g.
8 Answers
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Python read-only property
I don't know when attribute should be private and if I should use property.
10 Answers
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How to configure git bash command line completion?
E.g. on a fresh ubuntu machine, I've just run sudo apt-get git , and there's no completion when typing e.g. git check[tab] .
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How can you list the matches of Vim's search?
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" put in your ~/.vimrc file
" START search related configs and helps
"
" ignore case when searching
set ignorecase
" search as characters are entered, as you type in more characters, the search is refined
set incsearch
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How is __eq__ handled in Python and in what order?
Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call?
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