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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
..., b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo -- update the Foo
Foo {a = 1, b = 2, c = "G...
Git commit date
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281
The
show
command may be what you want. Try
git show -s --format=%ci <commit>
Other fo...
How do I reverse a C++ vector?
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258
There's a function std::reverse in the algorithm header for this purpose.
#include <vector...
Rails detect if request was AJAX
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249
You can check for a header[X-Requested-With] to see if it is an AJAX request. Here is a good a...
difference between offsetHeight and clientHeight
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2 Answers
2
Active
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How to subtract a day from a date?
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edited Aug 26 '16 at 15:07
Flimm
86.3k2828 gold badges186186 silver badges191191 bronze badges
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Get nodes where child node contains an attribute
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answered Sep 22 '09 at 1:07
laviniolavinio
22.3k44 gold badges5050 silver badges6969 bronze badges
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Why does Go have a “goto” statement
...e-09 {
goto small
}
z = z / x
x = x + 1
}
for x < 2 {
if x < 1e-09 {
goto small
}
z = z / x
x = x + 1
}
if x == 2 {
return z
}
x = x - 2
p = (((((x*_gamP[0]+_gamP[1])*x+_gamP[2])*x+_gamP[3])*x+_gamP[4])*x+_gamP[5])*x + _gamP[6]
q = ...
Order discrete x scale by frequency/value
...tting the levels of the factor on the x-axis. For example:
library(ggplot2)
# Automatic levels
ggplot(mtcars, aes(factor(cyl))) + geom_bar()
# Manual levels
cyl_table <- table(mtcars$cyl)
cyl_levels <- names(cyl_table)[order(cyl_table)]
mtcars$cyl2 <- factor(mtcars$cyl, levels = c...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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243
Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of s...