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Loadbalancing web sockets
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Put a L3 load-balancer that distributes IP packets based on source-IP-port hash to your WebSocket server farm. Since the L3 balancer maintains no state (using hashed source-IP-port) it will scale to wire speed on low-end hardware (say 10GbE). Since the distribution is determi...
How to Loop through items returned by a function with ng-repeat?
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Based on @przno comment
<body ng-app>
<div ng-repeat="item in t = angular.equals(t, getEntities()) ? t : getEntities()">
Hello {{item.id}}!
</div>
</body>
BTW second solution @Artem Andree...
Where should I put the log4j.properties file?
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For a Maven Based Project keep your log4j.properties in src/main/resources. Nothing else to do!
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ASP.NET Temporary files cleanup
...OS's (Vista, Win7, etc.) - the temp file path has changed may be different based on several variables. The items below are not definitive, however, they are a few I have encountered:
"temp" environment variable setting - then it would be:
%temp%\Temporary ASP.NET Files
Permissions and what appl...
How to reset / remove chrome's input highlighting / focus border? [duplicate]
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But for a mobile navigation menu based on a select dropdown, this is very good practice.
– jdgregson
Feb 12 '17 at 9:54
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Matching a space in regex
...b]+([^\b]+)(\b|$)/ ) {
$first_name = $1;
$last_name = $2;
}
EDIT AGAIN Based on what you want:
$new_tag = preg_replace("/[\s\t]/","",$tag);
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Define: What is a HashSet?
...dard collection operations Add, Remove, Contains, but since it uses a hash-based implementation, these operations are O(1). (As opposed to List for example, which is O(n) for Contains and Remove.) HashSet also provides standard set operations such as union, intersection, and symmetric difference. Ta...
Full examples of using pySerial package [closed]
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I have not used pyserial but based on the API documentation at https://pyserial.readthedocs.io/en/latest/shortintro.html it seems like a very nice interface. It might be worth double-checking the specification for AT commands of the device/radio/whateve...
Hashset vs Treeset
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This advice is based on the fact that for a set, you must check to see if an item is a duplicate before adding it; therefore you'll save time eliminating the duplicates if you are using an hashset over a treeset. However, considering the pr...
PHP function to get the subdomain of a URL
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I needed to get the "base" domain (without the subdomain), and I was making my own solution by exploding the host and getting the last elements of the array with a for loop, but I had to check their length (to detect if they were a part of the do...