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Emulate ggplot2 default color palette
...on(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 = cols)
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Take a char input from the Scanner
...take the first character from Scanner.next:
char c = reader.next().charAt(0);
To consume exactly one character you could use:
char c = reader.findInLine(".").charAt(0);
To consume strictly one character you could use:
char c = reader.next(".").charAt(0);
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How can I get a count of the total number of digits in a number?
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Without converting to a string you could try:
Math.Ceiling(Math.Log10(n));
Correction following ysap's comment:
Math.Floor(Math.Log10(n) + 1);
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What's “requestCode” used for on PendingIntent?
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answered Feb 3 '14 at 12:04
Minhaj ArfinMinhaj Arfin
83188 silver badges88 bronze badges
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What's the main difference between int.Parse() and Convert.ToInt32
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Oct 13 '08 at 23:53
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How do I get user IP address in django?
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450
def get_client_ip(request):
x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
i...
Javascript parseInt() with leading zeros
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This is because if a number starts with a '0', it's treated as base 8 (octal).
You can force the base by passing the base as the 2nd parameter.
parseInt("09", 10) // 9
According to the docs, the 2nd parameter is optional, but it's not always assumed to be 10, as y...
How to show current year in view?
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answered May 30 '11 at 10:39
Emil AhlbäckEmil Ahlbäck
5,67266 gold badges3333 silver badges5252 bronze badges
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Nullable type issue with ?: Conditional Operator
Could someone explain why this works in C#.NET 2.0:
5 Answers
5
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setting y-axis limit in matplotlib
...t axes".
– Lenar Hoyt
May 8 '17 at 10:57
39
you can also set one value None which leaves the calc...