On Apr 9, 2012, at 10:05 PM, Andy Wu wrote:
Hi there,
I'm studying algo-class.org, and one of it's programming assignment
gives you a file containing contents like below:
1 2
1 7
2 100
...
There is roughly over 5 million lines, and i want to first construct a
vector of vector of
Yet another approach that might work for you, depending on your
requirements, is to use a lazy sequence to access your data. I did that
for a load of Twitter data that would have been too large to hold in memory
at any one time.
Here's the relevant bit (I think), copied and pasted:
(defn
Hi there,
I'm studying algo-class.org, and one of it's programming assignment
gives you a file containing contents like below:
1 2
1 7
2 100
...
There is roughly over 5 million lines, and i want to first construct a
vector of vector of integers for further process:
[[1 2][1 7][2 100]...]
Below
On Mon, Apr 9, 2012 at 10:05 PM, Andy Wu icetorto...@gmail.com wrote:
(def int-vec (with-open [rdr (clojure.java.io/reader file name)]
(doall (map convert (line-seq rdr)
This will convert all 5 million lines to a 5 million element vector of
vector pairs. That's
