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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 used ...
Emulating a do-while loop in Bash
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answered May 10 '13 at 19:59
jm666jm666
51k1414 gold badges8585 silver badges155155 bronze badges
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Why is early return slower than else?
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+100
This is a pure guess, and I haven't figured out an easy way to check whether it is right, but I have a theory for you.
I tried your ...
Is there anyway to exclude artifacts inherited from a parent POM?
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Ahmed Ashour
4,1291010 gold badges2828 silver badges4646 bronze badges
answered Apr 21 '10 at 15:28
Pascal ThiventPascal...
Set cURL to use local virtual hosts
...icitly for this: --resolve
Instead of curl -H 'Host: yada.com' http://127.0.0.1/something
use curl --resolve 'yada.com:80:127.0.0.1' http://yada.com/something
What's the difference, you ask?
Among others, this works with HTTPS. Assuming your local server has a certificate for yada.com, the firs...
Remove grid, background color, and top and right borders from ggplot2
...d panel.background to see the axis lines.
library(ggplot2)
a <- seq(1,20)
b <- a^0.25
df <- as.data.frame(cbind(a,b))
ggplot(df, aes(x = a, y = b)) + geom_point() +
theme_bw() +
theme(axis.line = element_line(colour = "black"),
panel.grid.major = element_blank(),
panel.grid.mi...
glVertexAttribPointer clarification
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210
Some of the terminology is a bit off:
A Vertex Array is just an array (typically a float[]) th...
What does glLoadIdentity() do in OpenGL?
...lent of 1, is not exactly correct. The matrix actually looks like this:
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
That is the identity matrix. Boon is correct, mathematically, that any matrix multiplied with that matrix (or a matrix that looks like that; diagonal ones, all else 0s) will result in the origi...
Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ns of Ruby, removed all of my gems
(including Rails), and installed Ruby 2.0. In other words, a totally clean re-install. Upon starting IRB, I received this message:
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How to iterate over arguments in a Bash script
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edited Nov 1 '08 at 23:52
answered Nov 1 '08 at 18:25
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