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Quickly reading very large tables as dataframes
... into R. See mnel's answer.
Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread).
read.csv.raw from iotools provides a ...
Is there a way to tell git to only include certain files instead of ignoring certain files?
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237
I haven't had need to try this myself, but from my reading of TFM it looks like a negated patt...
Why is a round-trip conversion via a string not safe for a double?
... *dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your original number -- so it compares equal, and h...
How do I find the most recent git commit that modified a file?
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237
git log supports looking at the history of specific files (and directories), so you can call i...
What is the use of “assert” in Python?
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21 Answers
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Active
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Where to store global constants in an iOS application?
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You could also do a
#define kBaseURL @"http://192.168.0.123/"
in a "constants" header file, say constants.h. Then do
#include "constants.h"
at the top of every file where you need this constant.
This way, you can switch between servers depending on compiler flags, as...
Spring RestTemplate timeout
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edited Aug 23 '18 at 3:36
answered May 2 '16 at 21:09
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Get the date (a day before current time) in Bash
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263
if you have GNU date and i understood you correctly
$ date +%Y:%m:%d -d "yesterday"
2009:11:0...
Execute script after specific delay using JavaScript
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kenorb
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answered Aug 24 '08 at 5:18
AbhinavAbhinav
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