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How do I import the Django DoesNotExist exception?

...y of the model itself, in this case Answer. Your problem is that you are calling the get method - which raises the exception - before it is passed to assertRaises. You need to separate the arguments from the callable, as described in the unittest documentation: self.assertRaises(Answer.DoesNotExis...
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print call stack in C or C++

Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this: ...
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Delete column from SQLite table

...the columns, whereas something like the accepted answer seems to result in all columns to be of type TEXT. – Uwe Keim Jul 10 '17 at 15:05 2 ...
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Forward an invocation of a variadic function in C

... - is there a solution how to fix it? (MSVC prints: too few arguments for call) – mvorisek Jul 20 at 17:28 @mvorisek: ...
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How to use if - else structure in a batch file?

...stion about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you. ...
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Why is it impossible to override a getter-only property and add a setter? [closed]

Why is the following C# code not allowed: 16 Answers 16 ...
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What are allowed characters in cookies?

What are the allowed characters in both cookie name and value? Are they same as URL or some common subset? 13 Answers ...
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?

...ld instances (at least, not at the moment). If a base class has a field called author, you cannot create another model field called author in any class that inherits from that base class. share | ...
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Undefined symbols for architecture arm64

... If your Architectures and Valid Architectures are all right, you may check whether you have added $(inherited) , which will add linker flags generated in pods, to Other Linker Flags as below: share...
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List of foreign keys and the tables they reference

...key is described in the columns r_owner and r_constraint_name of the table ALL_CONSTRAINTS. This will give you the info you want: SELECT a.table_name, a.column_name, a.constraint_name, c.owner, -- referenced pk c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk FROM...