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Understanding implicit in Scala

... of the reasons I stopped trying to learn Scala many years ago and am only now coming back to it. I was never sure where some (many) of the implicits were coming from in the code I was looking at. – melston Mar 19 '19 at 19:23 ...
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What is the official “preferred” way to install pip and virtualenv systemwide?

... If you can install the latest Python (2.7.9 and up) Pip is now bundled with it. See: https://docs.python.org/2.7//installing/index.html If not : Update (from the release notes): Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if ...
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What are -moz- and -webkit-? [duplicate]

...o explicitly looking to turn on new features. Incidentally, so far as you know, is it a single flag to to turn on all experimental features, or a checklist to turn on individual features one-by-one? – David says reinstate Monica Aug 6 '13 at 14:47 ...
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“The given path's format is not supported.”

... Got an error now:Error 4 A using namespace directive can only be applied to namespaces; 'System.IO.Path' is a type not a namespace – All Blond Sep 8 '11 at 13:32 ...
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How to convert an address into a Google Maps Link (NOT MAP)

...: maps.google.com/?ll=38.882147,-76.99017 UPDATE As of year 2017, Google now has an official way to create cross-platform Google Maps URLs: https://developers.google.com/maps/documentation/urls/guide You can use links like https://www.google.com/maps/search/?api=1&query=1200%20Pennsylvania...
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How to detect if app is being built for device or simulator in Swift

In Objective-C we can know if an app is being built for device or simulator using macros: 20 Answers ...
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How do I compare two DateTime objects in PHP 5.2.8?

...jects can be compared using comparison operators. $date1 = new DateTime("now"); $date2 = new DateTime("tomorrow"); var_dump($date1 == $date2); // false var_dump($date1 < $date2); // true var_dump($date1 > $date2); // false For PHP versions before 5.2.2 (actually for any version), you can ...
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How to add new line into txt file

... You could do it easily using File.AppendAllText("date.txt", DateTime.Now.ToString()); If you need newline File.AppendAllText("date.txt", DateTime.Now.ToString() + Environment.NewLine); Anyway if you need your code do this: TextWriter tw = new StreamWriter("date.txt", ...
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How can I make a weak protocol reference in 'pure' Swift (without @objc)

... What's the correct way of doing weak delegates now in Swift? Apple documentation is not showing or declaring the delegate as weak in their example code: developer.apple.com/library/ios/documentation/swift/conceptual/… – C0D3 Dec 1 ...
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?

... assumed you meant HH:MM instead of HH:SS, but it's easy to change): Time.now.strftime("%d/%m/%Y %H:%M") #=> "14/09/2011 14:09" Updated for the shifting: d = DateTime.now d.strftime("%d/%m/%Y %H:%M") #=> "11/06/2017 18:11" d.next_month.strftime("%d/%m/%Y %H:%M") #=> "11/07/2017 18:11" ...