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How can I read command line parameters from an R script?
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Rscript has simpler syntax
Rscript automatically chooses architecture on x64 (see R Installation and Administration, 2.6 Sub-architectures for details)
Rscript needs options(echo=TRUE) in the .R file if you want to write the commands to the output file
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How to remove part of a string? [closed]
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When you need rule based matching, you need to use regex
$string = "REGISTER 11223344 here";
preg_match("/(\d+)/", $string, $match);
$number = $match[1];
That will match the first set of numbers, so if you need to be more specific try:
$str...
Django queries - id vs pk
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to swap the buffers in 2 windows emacs
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philsphils
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Collection that allows only unique items in .NET?
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pytest: assert almost equal
...the testing structure.
Get assertions, ignore rest of unittest.TestCase
(based on this answer)
import unittest
assertions = unittest.TestCase('__init__')
Make some assertions
x = 0.00000001
assertions.assertAlmostEqual(x, 0) # pass
assertions.assertEqual(x, 0) # fail
# AssertionError: 1e-08...
Example using Hyperlink in WPF
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64
In addition to Fuji's response, we can make the handler reusable turning it into an attached pr...
Want to exclude file from “git diff”
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64
You could set up a custom diff driver with a no op command and assign it to those files that sh...
Order data frame rows according to vector with specific order
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not sure it is the cleanest way, but with only "base" functions, this should work if you have duplicates in df: df <- data.frame(name=letters[c(1:4, 1:4)], value=c(rep(TRUE, 2), rep(FALSE, 2),rep(TRUE, 2), rep(FALSE, 2) )) target <- c("b", "c", "a", "d") df[order...
How do I check if an array includes a value in JavaScript?
...not relevant for modern JS usage. The promised performance improvement was based on a benchmark done in browsers of that time. It might not be relevant to modern JS execution contexts. If you need an easy solution, look for other answers. If you need the best performance, benchmark for yourself in t...