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Get all unique values in a JavaScript array (remove duplicates)

... let unique_values = [...new Set(random_array)]; developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Lukas Liesis Nov 19 '16 at 15:07 ...
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NPM cannot install dependencies - Attempt to unlock something which hasn't been locked

...user!): sudo chown -R $USER ~/.npm sudo chown -R $USER /usr/local/lib/node_modules ...and...if you're on a mac (like I am), and still see errors after running these commands, then run this last one and you should be good. (Recommend you try testing before you do this one. I don't like changing th...
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Django Rest Framework File Upload

... an example in the docs :) class FileUploadView(views.APIView): parser_classes = (FileUploadParser,) def put(self, request, filename, format=None): file_obj = request.FILES['file'] # do some stuff with uploaded file return Response(status=204) ...
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How to get the IP address of the docker host from inside a docker container

...ses only. For example, I have environment variables set on my host: MONGO_SERVER=host.docker.internal In my docker-compose.yml file, I have this: version: '3' services: api: build: ./api volumes: - ./api:/usr/src/app:ro ports: - "8000" environment: - MONGO_S...
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Proper way to wait for one function to finish before continuing?

... work like this is to use a callback function, eg: function firstFunction(_callback){ // do some asynchronous work // and when the asynchronous stuff is complete _callback(); } function secondFunction(){ // call first function and pass in a callback function which // first ...
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Scala list concatenation, ::: vs ++

...matic Scala 2.10 has :+ and +: object extractors. – 0__ Jan 18 '13 at 9:25  |  show 6 more comments ...
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event Action vs event EventHandler

...ardArgs("Fred")); //Console.WriteLine($"{HeightSensorTypes.Keyence_IL030}:{(int)HeightSensorTypes.Keyence_IL030}"); Console.ReadLine(); } private static void SomeSimpleEvent1(int num) { Console.WriteLine($"{nameof(SomeSimpleEvent1)}:{num}"); } private st...
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Why is Java Vector (and Stack) class considered obsolete or deprecated?

... edited Sep 26 '15 at 12:05 Am_I_Helpful 17.2k77 gold badges4040 silver badges6565 bronze badges answered Sep 6 '09 at 18:07 ...
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Javascript: Extend a Function

...ook like this: function init(){ doSomething(); } //anytime later var old_init = init; init = function() { old_init.apply(this, arguments); doSomethingHereToo(); }; share | improve this answe...
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Control cannot fall through from one case label

...Type) { case "SearchBooks": Selenium.Type("//*[@id='SearchBooks_TextInput']", searchText); Selenium.Click("//*[@id='SearchBooks_SearchBtn']"); break; case "SearchAuthors": Selenium.Type("//*[@id='SearchAuthors_TextInput']", searchText); Selenium.Click...