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Django. Override save for model

...self._image_changed = True # Or put whole logic in here small = rescale_image(self.image,width=100,height=100) self.image_small=SimpleUploadedFile(name,small_pic) def get_image(self): return self._image image = property(get_image, set_image) # this is ...
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How to get body of a POST in php?

...anual entry on I/O streamsdocs: php://input is a read-only stream that allows you to read raw data from the request body. In the case of POST requests, it is preferable to use php://input instead of $HTTP_RAW_POST_DATA as it does not depend on special php.ini directives. Moreover, for thos...
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How to delete duplicate rows in SQL Server?

... I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE: WITH CTE AS( SELECT [col1], [col2], [col3], [col4], [col5], [col6], [col7], RN = ROW_NUMBER()O...
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Can an interface extend multiple interfaces in Java?

...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different. – Daniel Jan 6 '15 at 17:38 ...
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URLs: Dash vs. Underscore [closed]

... Reasonable guess, but as it turns out, totally untrue. -1. – Mark Amery Feb 4 '15 at 23:29 ...
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Decode Base64 data in Java

...), while the private Sun and the Commons implementations use this. Specifically, for String bigger than 76 characters, newlines are added. I didn't find how to configure JAXB's implementation for this behavior... :-( – KLE Mar 18 '10 at 10:25 ...
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How to declare a variable in a PostgreSQL query

...WITH () query which can work as a variable, or even tuple of variables. It allows you to return a table of temporary values. WITH master_user AS ( SELECT login, registration_date FROM users WHERE ... ) SELECT * FROM users WHERE master_login = (SELECT login ...
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Tracking Google Analytics Page Views with AngularJS

...cs does not count it as a new page load. Fortunately there is a way to manually tell GA to log a url as a new pageview. _gaq.push(['_trackPageview', '<url>']); would do the job, but how to bind that with AngularJS? Here is a service which you could use: (function(angular) { angular.modu...
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Where does 'Hello world' come from?

' hello, world ' is usually the first example for any programming language. I've always wondered where this sentence came from and where was it first used. ...
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What is Ruby's double-colon `::`?

... :: is basically a namespace resolution operator. It allows you to access items in modules, or class-level items in classes. For example, say you had this setup: module SomeModule module InnerModule class MyClass ...