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What is the optimal Jewish toenail cutting algorithm?

...ule. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences. Python example: #seq is only valid when consecutive elements in the list differ by at least two. def isValid(seq): for i in range(len(seq)-1): a = seq[i] b = seq[i+1] ...
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Generating random whole numbers in JavaScript in a specific range?

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How to write the Fibonacci Sequence?

...nstead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displays = First 20 Fibonacci numbers). I thought I...
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For each row return the column name of the largest value

... 100 One option using your data (for future reference, use set.seed() to make examples using sample...
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Moving decimal places over in a double

So I have a double set to equal 1234, I want to move a decimal place over to make it 12.34 9 Answers ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
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How can I apply a function to every row/column of a matrix in MATLAB?

...an apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop? ...
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Emulate ggplot2 default color palette

... It is just equally spaced hues around the color wheel, starting from 15: gg_color_hue <- function(n) { hues = seq(15, 375, length = n + 1) hcl(h = hues, l = 65, c = 100)[1:n] } For example: n = 4 cols = gg_color_hue(n) dev.new(width = 4, height = 4) plot(1:n, pch = 16, cex = 2, col...
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Understanding slice notation

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Plot a legend outside of the plotting area in base graphics?

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