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Reasons for using the set.seed function
...produce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sample(LETTERS, 5)
[1] "L" "P" "J" "E" "D"
These two, however, are identical because I set the seed:
R> set.seed(42); sample(LETTERS, 5)
[1] "X" "Z" "G" "T" "O"
R> set.seed(42); sample(LE...
Changing font size and direction of axes text in ggplot2
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301
Use theme():
d <- data.frame(x=gl(10, 1, 10, labels=paste("long text label ", letters[1:10])...
git ahead/behind info between master and branch?
... each branch is ahead of the other (a more general answer on your question 1):
For local branches:
git rev-list --left-right --count master...test-branch
For remote branches:
git rev-list --left-right --count origin/master...origin/test-branch
This gives output like the following:
1 7
Thi...
Jquery select all elements that have $jquery.data()
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edited Jul 9 '15 at 6:42
Tushar
75.5k1414 gold badges124124 silver badges147147 bronze badges
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how do I initialize a float to its max/min value?
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152
You can use std::numeric_limits which is defined in <limits> to find the minimum or max...
How do I convert an array object to a string in PowerShell?
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edited Nov 12 '14 at 19:46
Steven Penny
76.1k4545 gold badges296296 silver badges336336 bronze badges
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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170
After the first foreach loop, $item is still a reference to some value which is also being use...
Regex to match a digit two or four times
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145
There's no specific syntax for that, but there are lots of ways to do it:
(?:\d{4}|\d{2}) ...