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How to check the version before installing a package using apt-get?
...ion-md5: 9160ed1405585ab844f8750a9305d33f
Homepage: http://redis.io/
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubunt
dpkg -l <package-name>
$ dpkg -l nginx
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend...
Passing $_POST values with cURL
..._exists('curl_init')){
die('Sorry cURL is not installed!');
}
$url = 'https://www.abcd.com/servlet/';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, count($kv));
curl_setopt($ch, CURLOPT_POSTFIELDS, $query_string);
curl_setopt($ch, CURLOPT_HEADER, FALS...
Can't subtract offset-naive and offset-aware datetimes
...ving ADDing the timezone info instead of removing it in python 3 is below. https://stackoverflow.com/a/25662061/93380
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Detecting when user scrolls to bottom of div with jQuery
... // element is at the end of its scroll, load more content
}
Source: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight#Determine_if_an_element_has_been_totally_scrolled
Some elements won't allow you to scroll the full height of the element. In those cases you can use:
var...
What is the purpose of AsQueryable()?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Free space in a CMD shell
... 98G 14G 84G 15% /cygdrive/r
Cygwin is available for free from: https://www.cygwin.com/
It adds many powerful tools to the command prompt. To get just the available space on drive M (as mapped in windows to a shared drive), one could enter in:
M:\>df -h | grep M: | awk '{print $4}'
...
Why doesn't the JVM cache JIT compiled code?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Leaflet - How to find existing markers, and delete markers?
...
Have you tried layerGroup yet?
Docs here https://leafletjs.com/reference-1.2.0.html#layergroup
Just create a layer, add all marker to this layer, then you can find and destroy marker easily.
var markers = L.layerGroup()
const marker = L.marker([], {})
markers.addL...
Setting an object to null vs Dispose()
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Deleting queues in RabbitMQ
...lpful to point out that user must be tagged as 'administrator' in rabbit. (https://www.rabbitmq.com/management.html)
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