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AngularJS: how to implement a simple file upload with multipart form?

... on "input-file" tags so you have to do it in a "native-way" that pass the all (eventually) selected files from the user. controller $scope.uploadFile = function(files) { var fd = new FormData(); //Take the first selected file fd.append("file", files[0]); $http.post(uploadUrl, fd,...
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Using async/await for multiple tasks

... int[] ids = new[] { 1, 2, 3, 4, 5 }; Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait()); Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the network call t...
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What is the difference between string primitives and String objects in JavaScript?

...rms of functionality. That aside, the behaviour you are trying to name is called auto-boxing. So what actually happens is that a primitive is converted to its wrapper type when a method of the wrapper type is invoked. Put simple: var s = 'test'; Is a primitive data type. It has no methods, it is ...
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How do you run a single query through mysql from the command line?

...ybyte Assuming Linux: Insinde doublequotes the asterisk * gets expanded to all files in the current directory, while this expansion does not happen in singlequotes, thats the reason why. Doublequotes will work for quesries without the *. – NobbZ Apr 3 '18 at 7:...
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Can media queries resize based on a div element instead of the screen?

... are designed to work based on devices or media types (hence why they are called media queries). width, height, and other dimension-based media features all refer to the dimensions of either the viewport or the device's screen in screen-based media. They cannot be used to refer to a certain element ...
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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar

... title of previous screen) UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_arrow.png"] style:UIBarButtonItemStyleBordered targe...
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Java - Method name collision in interface implementation

...gic in the method implementation that checks for which type of object the call is being made and invoke proper code ? 7 Ans...
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Prevent Caching in ASP.NET MVC for specific actions using an attribute

...C 3 application. This application requests records through jQuery. jQuery calls back to a controller action that returns results in JSON format. I have not been able to prove this, but I'm concerned that my data may be getting cached. ...
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Token Authentication vs. Cookies

...tuations. Ember.js, however, deals also with these issues for you; specifically ember-data is built with this in mind. In conclusion, Ember.js is a framework designed for stateful clients. Ember.js does not work like a typical stateless web app where the session, the state and the corresponding cook...
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How do I install an old version of Django on virtualenv?

...d question, since the very purpose of virtualenv is to this exactly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out. ...