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On localhost, how do I pick a free port number?
...do I figure out which port is available? I assume I cannot listen on port 80 or 21?
5 Answers
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Select random row from a sqlite table
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answered Feb 17 '10 at 10:06
Adriaan StanderAdriaan Stander
146k2626 gold badges261261 silver badges272272 bronze badges
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How to remove space between axis & area-plot in ggplot2?
... to expand the scale by 5% on each side for
continuous variables, and by 0.6 units on each side for discrete
variables.
The problem is thus solved by adding expand = c(0,0) to scale_x_continuous and scale_y_continuous. This also removes the need for adding the panel.margin parameter.
The code...
How can I determine the direction of a jQuery scroll event?
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704
Check current scrollTop vs previous scrollTop
var lastScrollTop = 0;
$(window).scroll(functio...
Maven check for updated dependencies in repository
...lable:
[INFO] org.apache.maven:maven-artifact ........................ 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-plugin-api ...................... 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-project ....................... 2.0.2 -> 2.0.9
[INFO] org.codehaus.plexus:plexus-utils ........
How to send a simple string between two programs using pipes?
... "/tmp/myfifo";
/* create the FIFO (named pipe) */
mkfifo(myfifo, 0666);
/* write "Hi" to the FIFO */
fd = open(myfifo, O_WRONLY);
write(fd, "Hi", sizeof("Hi"));
close(fd);
/* remove the FIFO */
unlink(myfifo);
return 0;
}
reader.c
#include <fcntl.h>
#i...
How do you sort an array on multiple columns?
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170
If owner names differ, sort by them. Otherwise, use publication name for tiebreaker.
function m...
Where Is Machine.Config?
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590
32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Micr...
Why does this code using random strings print “hello world”?
...onstructed with a specific seed parameter (in this case -229985452 or -147909649), it follows the random number generation algorithm beginning with that seed value.
Every Random constructed with the same seed will generate the same pattern of numbers every time.
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Subscripts in plots in R
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answered Apr 14 '12 at 19:05
smusmu
7,04722 gold badges1616 silver badges1414 bronze badges
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