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The smallest difference between 2 Angles
...cos(x-y))
It returns the signed delta angle. Note that depending on your API the order of the parameters for the atan2() function might be different.
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Slide right to left?
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$("#slide").animate({width:'toggle'},350);
Reference: https://api.jquery.com/animate/
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How to make a smaller RatingBar?
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also, they require Android 3.0 / API 11
– averasko
Dec 9 '14 at 23:39
6
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NodeJS: How to get the server's port?
...able as a property on the server object, see http://nodejs.org/docs/v0.4.7/api/net.html#server.address
var server = http.createServer(function(req, res) {
...
}
server.listen(8088);
console.log(server.address());
console.log(server.address().address);
console.log(server.address().port);
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Uniq by object attribute in Ruby
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Nice api but that's going to have poor (looks like O(n^2)) scaling performance for large arrays. Could be fixed by making transforms a hashset.
– tribalvibes
Oct 27 '10 at 6:56
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Disable cross domain web security in Firefox
...ks for me! I allowed CORS for localhost and now I can test my web apps and APIs locally without setting up complicated servers. Thank you!
– Arthur Khazbs
Jun 8 at 14:46
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Get IP address of visitors using Flask for Python
...='0.0.0.0', port=8000)
My Request and Response:
curl -X GET http://test.api
{
"ip": "Client Ip......"
}
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Removing all empty elements from a hash / YAML?
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@BSeven it seems they heard you! api.rubyonrails.org/classes/Hash.html#method-i-compact (Rails 4.1)
– dgilperez
Aug 23 '14 at 16:04
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How to get the build/version number of your Android application?
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@RomanGherta It is as of API 28. If you are writing code using anything less (or 8 years ago when this answer was written) you should still be good to go. Another answer here has the updated method.
– Merkidemis
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Python Empty Generator Function
...ion! It directly returns an empty iterable. Suppose you're working with an API that expects a callable that returns an iterable. You'll have to do something like this:
def empty():
return iter(())
(Credit should go to Unutbu for giving the first correct version of this answer.)
Now, you may ...