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AngularJS : How to watch service variables?

... What are pros of this solution? It needs more code in a service, and somewhat the same amount of code in a controller (since we also need to unregister on $destroy). I could say for execution speed, but in most cases it just ...
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One-liner to check whether an iterator yields at least one element?

...nel) is sentinel: print('iterator was empty') If you have no idea of what the iterator might possibly yield, make your own sentinel (e.g. at the top of your module) with sentinel = object() Otherwise, you could use, in the sentinel role, any value which you "know" (based on application cons...
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JavaScript curry: what are the practical applications?

I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it. ...
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]

...des some assurance to the client about the identity of the server. This is what's important to your bank or online stock broker. Their interest in authenticating the client is not in the identity of the computer, but in your identity. So card numbers, user names, passwords etc. are used to authentic...
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Why do you have to link the math library in C?

... I suppose at the end of the day what we are looking at is nothing more than GCC conservatism: "it's always worked like that". I only wish they applied the same reasoning to their compiler extensions. – anon Jun 23 '09 ...
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What JSON library to use in Scala? [closed]

... @AlexDean: What's so bad about parsing.json.JSON? – Matthias Braun Jun 2 '13 at 22:23 ...
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What is the best practice for making an AJAX call in Angular.js?

... then() method and get the data out of it. Set the $scope property, and do whatever else you might need to do. module.controller('MyCtrl', function($scope, myService) { myService.getFoos().then(function(foos) { $scope.foos = foos; }); }); In-View Promise Resolution (1.0.X only): In ...
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Running multiple commands with xargs

... Let us see what is the easiest attack vector: Pi.dk is controlled by the author of GNU Parallel, so to attack that you would have to break into the server or take over DNS. To take over the official package of a distribution, you can of...
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C++ Double Address Operator? (&&)

I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h : ...
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Invoking JavaScript code in an iframe from the parent page

... @Dirty Henry what do you mean by "a jQuery function?" jQuery is a JavaScript library. – Joel Anair Jul 1 '13 at 13:11 ...