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Select distinct values from a table field

...get it to work on all my models. Weidly, it worked on some but not others. For those that have a Meta ordering it doesn't work. So, you have to clear the ordering on the queryset first. models.Shop.objects.order_by().values('city').distinct() – alj Mar 18 '10 ...
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How can I find a specific element in a List?

...= list.Find(x => x.GetId() == "xy"); Note: C# has a built-in syntax for properties. Instead of writing getter and setter methods (as you might be used to from Java), write private string _id; public string Id { get { return _id; } set { _id = value; } ...
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How to make a countdown timer in Android?

... Do you know if there is a pause method for the countdowntimer? So say the user wanted to pause a game they clicked a button and the countdown timer is paused and when they click play it keeps on ticking? – James111 Sep 17 '15...
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]

...dom.uuid #=> "1ca71cd6-08c4-4855-9381-2f41aeffe59c" See other possible formats here. share | improve this answer | follow | ...
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How to manually set an authenticated user in Spring Security / SpringMVC

After a new user submits a 'New account' form, I want to manually log that user in so they don't have to login on the subsequent page. ...
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C/C++ line number

...I get the line number in C /C++ compilers? (standard way or specific ways for certain compilers) 10 Answers ...
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How to forward declare a template class in namespace std?

... main. I get errors. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it? ...
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Docker - how can I copy a file from an image to a host?

...itely the right answer!!! Doesn't rely on anything inside the container... For Golang scratch images, this is the only way possible! – Marcello de Sales Aug 22 '19 at 7:28 2 ...
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Attach parameter to button.addTarget action in Swift

...tag. button.tag = 5 button.addTarget(self, action: "buttonClicked:", forControlEvents: UIControlEvents.TouchUpInside) Or for Swift 2.2 and greater: button.tag = 5 button.addTarget(self,action:#selector(buttonClicked), forControlEvents:.TouchUpInside) Now do logic based on tag property...
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wget/curl large file from google drive

...ve is deprecated. "Beginning August 31, 2015, web hosting in Google Drive for users and developers will be deprecated. Google Apps customers can continue to use this feature for a period of one year until August 31, 2016, when serving content via googledrive.com/host/doc id will be discontinued." ...