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Trimming a huge (3.5 GB) csv file to read into R
...with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
ind <- grep("^[^...
Percentage Height HTML 5/CSS
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answered Oct 25 '09 at 21:17
bobincebobince
484k9999 gold badges611611 silver badges797797 bronze badges
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How to unpack and pack pkg file?
... use tar xzvf Payload
– ccpizza
May 21 '14 at 16:52
I get an error running cat Payload | gunzip -dc |cpio -i: gunzip: ...
Sort JavaScript object by key
...lization.
– Matt Ball
Jul 12 '13 at 21:01
5
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Get the closest number out of an array
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218
ES5 Version:
var counts = [4, 9, 15, 6, 2],
goal = 5;
var closest = counts.reduce(f...
Recommended date format for REST GET API
...O 8601 :)
– Radu Potop
Jul 9 '12 at 21:21
5
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How to “inverse match” with regex?
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– Matthias dirickx
May 4 '17 at 11:21
1
@AlanMoore Actually, it'll almost work for this use case...
Citing the author of a blockquote using Markdown syntax
...e>[Albert Einstein][1]</cite>
[1]: http://www.quotedb.com/quotes/2112
If you have a style manual, use its guidelines to determine exactly where to place the citation, etc.
Output of Markdown + Smartypants for the above is
The secret to creativity is knowing how to hide your sources....
Insert space before capital letters
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abe312
3,8412929 silver badges2121 bronze badges
answered Apr 7 '11 at 14:04
GuffaGuffa
619k9090 gold badges...
Difference between socket and websocket?
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NTUI
31944 silver badges1212 bronze badges
answered Feb 11 '11 at 20:27
Pablo Santa CruzPablo Santa Cruz
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