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How do I remove blank elements from an array?

... 511 There are many ways to do this, one is reject noEmptyCities = cities.reject { |c| c.empty? } ...
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When to use %r instead of %s in Python? [duplicate]

... versions. – nitrl Jul 18 '13 at 18:51 Thanks. I was wondering why one might use the %r - but I now understand from yo...
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Checking length of dictionary object [duplicate]

...at javascript has the Map object, probably better off using that and using new Map().size – Greg Hornby Jul 24 '19 at 23:36  |  show 3 more co...
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How do I import a Swift file from another Swift file?

... 5.x Now you don't need to add the public to the methods to test then. On newer versions of Swift it's only necessary to add the @testable keyword. PrimeNumberModelTests.swift import XCTest @testable import MyProject class PrimeNumberModelTests: XCTestCase { let testObject = PrimeNumberModel...
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Fastest way to check if string contains only digits

... IsDigitsOnly is faster: class Program { private static Regex regex = new Regex("^[0-9]+$", RegexOptions.Compiled); static void Main(string[] args) { Stopwatch watch = new Stopwatch(); string test = int.MaxValue.ToString(); int value; watch.Start(); ...
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Glorified classes in the Java language

....class for instance). I would also add its generic typing without creating new instances. String - with it's overloaded +-operator and the support of literals Enum - the only class that can be used in a switch statement (soon a privilege to be given to String as well). It does other things as well (...
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Determine the process pid listening on a certain port

...instead – stanwise Mar 24 '12 at 23:51 12 netstat: option requires an argument -- p ...
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How to create EditText with cross(x) button at end of it?

... This should be the new accepted answer. In my case, I wasn't able to implement without updating to AndroidX libraries. – Ben Jun 20 '19 at 21:17 ...
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Resize image in PHP

... $height = ceil($height-($height*abs($r-$w/$h))); } $newwidth = $w; $newheight = $h; } else { if ($w/$h > $r) { $newwidth = $h*$r; $newheight = $h; } else { $newheight = $w/$r; $newwidth = $w; ...
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Unable to make the session state request to the session state server

... it only happen when we click some particular links where it will pop-up a new window. This is the error message we receive : ...