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Django Rest Framework File Upload

...ood question. Reading RFC-2616 provides a subtlety I wasn't aware of until now. "The fundamental difference between the POST and PUT requests is reflected in the different meaning of the Request-URI. The URI in a POST request identifies the resource that will handle the enclosed entity. That resourc...
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Peak detection in a 2D array

...measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions. ...
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jQuery vs document.querySelectorAll

...t would be very hard to do in regular javascript . However , as far as I know, you can achieve the same result with document.querySelector or document.querySelectorAll , which are supported in Internet Explorer 8 and above. ...
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When should one use RxJava Observable and when simple Callback on Android?

...}); The RxJava variant is not much better than the Callback variant. For now, let's ignore the error handling. Let's take a list of photos: RxJava: api.getUserPhotos(userId) .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .flatMap(new Func1<List<Photo>, Observab...
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What can you use Python generator functions for?

...enerator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving. ...
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How to remove the arrow from a select element in Firefox

... Okay, I know this question is old, but 2 years down the track and mozilla have done nothing. I've come up with a simple workaround. This essentially strips all formatting of the select box in firefox and wraps a span element aroun...
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How do I clear stuck/stale Resque workers?

...annoying. But this followed by heroku restart seemed to do the trick. It now shows the correct number of workers. – Brian Armstrong Aug 14 '12 at 5:27 ...
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When should iteritems() be used instead of items()?

....items() returned a list of (key, value) pairs. In Python 3.x, .items() is now an itemview object, which behaves different - so it has to be iterated over, or materialised... So, list(dict.items()) is required for what was dict.items() in Python 2.x. Python 2.7 also has a bit of a back-port for key...
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AngularJS : Initialize service with asynchronous data

...troller('MainCtrl', function($scope,MyService) { console.log('Promise is now resolved: '+MyService.doStuff().data) $scope.data = MyService.doStuff(); }); I've made an example at plnkr: http://plnkr.co/edit/GKg21XH0RwCMEQGUdZKH?p=preview ...
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Avoiding “resource is out of sync with the filesystem”

... It now seems to be called "Refresh using native hooks or polling" (Indigo SR1). – Oliver Bock Aug 14 '12 at 1:21 ...