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Good example of livelock?
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120
Here's a very simple Java example of livelock where a husband and wife are trying to eat soup, ...
How can the Euclidean distance be calculated with NumPy?
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22 Answers
22
Active
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Simple regular expression for a decimal with a precision of 2
What is the regular expression for a decimal with a precision of 2?
17 Answers
17
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Remove duplicated rows
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192
just isolate your data frame to the columns you need, then use the unique function :D
# in the...
How do I make a list of data frames?
... function call. If you use <-, you'll end up creating variables y1 and y2 in whatever environment you're working in:
d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6))
y1
# [1] 1 2 3
y2
# [1] 4 5 6
This won't have the seemingly desired effect of creating column names in the data fra...
jQuery animate backgroundColor
... own min version. YUI gets the best compression in this case needing only 2317 bytes and since it is so small - here it is:
(function (d) {
d.each(["backgroundColor", "borderBottomColor", "borderLeftColor", "borderRightColor", "borderTopColor", "color", "outlineColor"], function (f, e) {
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Format number to always show 2 decimal places
I would like to format my numbers to always display 2 decimal places, rounding where applicable.
30 Answers
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Log to the base 2 in python
...the base two in python. Eg. I have this equation where I am using log base 2
11 Answers
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Plot a legend outside of the plotting area in base graphics?
...ly the default
plot(1:3, rnorm(3), pch = 1, lty = 1, type = "o", ylim=c(-2,2), bty='L')
# this legend gets clipped:
legend(2.8,0,c("group A", "group B"), pch = c(1,2), lty = c(1,2))
# so turn off clipping:
par(xpd=TRUE)
legend(2.8,-1,c("group A", "group B"), pch = c(1,2), lty = c(1,2))
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