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Verify version of rabbitmq
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sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2.6.1"},
share
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improve this answer
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RAW POST using cURL in PHP
... $response->getBody()->getContents()
);
PHP CURL extension:
$curlHandler = curl_init();
curl_setopt_array($curlHandler, [
CURLOPT_URL => 'https://postman-echo.com/post',
CURLOPT_RETURNTRANSFER => true,
/**
* Specify POST method
*/
CURLOPT_POST => true,
...
Apache Spark: The number of cores vs. the number of executors
I'm trying to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN.
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Programmatically scroll a UIScrollView
...at I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll?
9 ...
Collisions when generating UUIDs in JavaScript?
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My best guess is that Math.random() is broken on your system for some reason (bizarre as that sounds). This is the first report I've seen of anyone getting collisions.
node-uuid has a test harness that you can use to test the distribution of hex digits...
Parallel foreach with asynchronous lambda
I would like to handle a collection in parallel, but I'm having trouble implementing it and I'm therefore hoping for some help.
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Getting a 'source: not found' error when using source in a bash script
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In the POSIX standard, which /bin/sh is supposed to respect, the command is . (a single dot), not source. The source command is a csh-ism that has been pulled into bash.
Try
. $env_name/bin/activate
Or if you must have non-POSIX bash-is...
How can I shuffle an array? [duplicate]
...;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a;
}
ES2015 (ES6) version
/**
* Shuffles array in place. ES6 version
* @param {Array} a items An array containing the items.
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How to list the contents of a package using YUM?
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There is a package called yum-utils that builds on YUM and contains a tool called repoquery that can do this.
$ repoquery --help | grep -E "list\ files"
-l, --list list files in this package/group
Combined into one example:
$ repoquery -l time
/usr/bin/time
/usr...
Use JSTL forEach loop's varStatus as an ID
... edited May 2 '19 at 8:56
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered Jul 6 '11 at 17:50
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