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JPA : How to convert a native query result set to POJO class collection
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When I tried this I got an error that the class was not a known Entity. I ended up using this approach stackoverflow.com/questions/5024533/… instead of trying to use a native query.
– FGreg
Jan 30 '13 at 21:43
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What does functools.wraps do?
...sue with this that was pretty hard to trace where Django was reporting the error "object has no attribute '__name__'". Unfortunately, for class-style decorators, I don't believe that @wrap will do the job. I have instead created a base decorator class like so:
class DecBase(object):
func = No...
Enums and Constants. Which to use when?
...you could have trace levels as an int with values 0, 1, 2 or as an enum as error, warning and info.
Enum's also have the ability to be used as bitwise operators, i.e. FontStyle.Bold | FontStyle.Italic would give you bold and italic fonts.
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Downcasting shared_ptr to shared_ptr?
...e base class. Implicit casting like this may become the source of bugs and errors.
-Update: If the type is not polymorphic, std::static_pointer_cast may be used.
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Return array in a function
... @David: thanks, I got the misimpression from the Comeau message error: function returning array is not allowed which occurs if you leave out the outer parens in the non-typedef syntax. Fortunately, today I reviewed the right-left rule for another question and managed to construct the righ...
Django - how to create a file and save it to a model's FileField?
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In addition to this, I got an error if I don't specify the file mode while opening the file. So, f = open('/path/to/file', 'r') For ZIP kind of file, f = open('/path/to/file.zip', 'rb')
– rajagopalx
Dec 14 '17 at 19:...
HttpURLConnection timeout settings
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I used both the timeouts and still getting timeout error. but when I check logs my request is taking 20sec but I gave 100 sec for setConnectTimeout
– Siva
Sep 18 at 0:19
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Performing Inserts and Updates with Dapper
...= 23 }); and it worked. Without the use of SET I get a SQLException syntax error near sCategory.
– Pricey
Nov 29 '12 at 23:39
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Suppress command line output
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Because error messages often go to stderr not stdout.
Change the invocation to this:
taskkill /im "test.exe" /f >nul 2>&1
and all will be better.
That works because stdout is file descriptor 1, and stderr is file descr...
How to open every file in a folder?
...or Windows users the third solution did not work, Windows gives Permission Error: [Errno 13] Permission denied:
– Roshna Omer
Jan 10 '19 at 8:36
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