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Persistent invalid graphics state error when using ggplot2

...? – Pedro Cavalcante Sep 14 '18 at 20:38 2 @PedroCavalcanteOliveira I had the problem, after I us...
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LINQ - Left Join, Group By, and Count

... answered Mar 29 '09 at 22:28 Mehrdad AfshariMehrdad Afshari 379k8383 gold badges822822 silver badges775775 bronze badges ...
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Insert Unicode character into JavaScript

...ontaining an uppercase omega? In that case, you can write: var Omega = '\u03A9'; (Because Ω is the Unicode character with codepoint U+03A9; that is, 03A9 is 937, except written as four hexadecimal digits.) share ...
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How to convert std::string to LPCSTR?

...LPCSTR (Long Pointer to Constant STRing) -- means that it's a pointer to a 0 terminated string of characters. W means wide string (composed of wchar_t instead of char). share | improve this answer ...
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Check if key exists and iterate the JSON array using Python

..., "name": "Mary Pinter"}, "message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "id": "id_7"}""" def getTargetIds(jsonData): data = json.loads(jsonData) if ...
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Can I serve multiple clients using just Flask app.run() as standalone?

... 305 flask.Flask.run accepts additional keyword arguments (**options) that it forwards to werkzeug.s...
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IntelliJ IDEA hint parameters of method

...| edited Nov 25 '15 at 8:40 schnatterer 5,94466 gold badges4848 silver badges6767 bronze badges answered...
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How to get the host name of the current machine as defined in the Ansible hosts file?

... | edited Jan 14 at 21:40 answered Nov 16 '18 at 6:02 bba...
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What is the difference between '&' and ',' in Java generics?

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throw checked Exceptions from mocks with Mockito

...reates its mock. The behavior you are specifying with the when(list.get(0)).thenThrow(new SomeException()) doesn't match the method signature in List API, because get(int index) method does not throw SomeException() so Mockito fails. If you really want to do this, then have Mockito throw a new...