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Forward host port to docker container
...cker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
...
Show data on mouseover of circle
...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you...
JavaScript “new Array(n)” and “Array.prototype.map” weirdness
I've observed this in Firefox-3.5.7/Firebug-1.5.3 and Firefox-3.6.16/Firebug-1.6.2
14 Answers
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The role of #ifdef and #ifndef
In this what is the role of #ifdef and #ifndef , and what's the output?
4 Answers
4...
How do I install Maven with Yum?
...g not to learn much about either yum or maven. I've inherited this code and I don't want to spend more time than I have to in this environment.
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BigDecimal - to use new or valueOf
...
Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in general?"
For BigDecimal: this is a bit tricky, because they don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in to instantiate ...
How do I check if an integer is even or odd? [closed]
... if (x % 2)
printf("%d is odd\n", x);
return 0;
}
/* and.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x & 1)
printf("%d is odd\n", x);
return 0;
}
I then compiled these with gcc 4.1.3 on one of my m...
How can I use a file in a command and redirect output to the same file without truncating it?
...ly I want to take as input text from a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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Adjust list style image position?
...he actual content within the list item.
Using a combination of background and padding styles can create something that looks similar e.g.
li {
background: url(images/bullet.gif) no-repeat left top; /* <-- change `left` & `top` too for extra control */
padding: 3px 0px 3px 10px;
/* res...
How can I implode an array while skipping empty array items?
...k if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function.
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