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Why does += behave unexpectedly on lists?

... The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods. The __iadd__ special method is for an in-place addition, that i...
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Get all related Django model objects

How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE). ...
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How does Python's super() work with multiple inheritance?

...ave trouble understanding the super() function (new style classes) especially when it comes to multiple inheritance. 16 A...
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Android: Getting a file URI from a content URI?

...tContentResolver().openInputStream(uri) to get an InputStream from a URI. http://developer.android.com/reference/android/content/ContentResolver.html#openInputStream(android.net.Uri) share | improv...
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How can I use Guzzle to send a POST request in JSON?

... For Guzzle 5, 6 and 7 you do it like this: use GuzzleHttp\Client; $client = new Client(); $response = $client->post('url', [ GuzzleHttp\RequestOptions::JSON => ['foo' => 'bar'] // or 'json' => [...] ]); Docs ...
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How to make a JSONP request from Javascript without JQuery?

...){ console.log('timeout!'); }, timeout: 5 }); At GitHub: https://github.com/sobstel/jsonp.js/blob/master/jsonp.js share | improve this answer | follow ...
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How does JavaScript .prototype work?

...ing languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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efficient circular buffer?

...hape (n,) or (n,1)? In this benchmark, deque is 448ms. Numpy.roll is 29ms http://scimusing.wordpress.com/2013/10/25/ring-buffers-in-pythonnumpy/ share | improve this answer | ...
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Impossible to Install PG gem on my mac with Mavericks

...just used the graphical installer. Here's the link to the downloads page: http://www.enterprisedb.com/products-services-training/pgdownload#osx Just choose all of the defaults it gives you. It my case it installed postgres to the following directory, if you installed it to a different directory, ...
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specify project file of a solution using msbuild

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...