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LISTAGG in Oracle to return distinct values

...ve will work in most cases - list should be sorted , you may have to trim all trailing and leading space depending on your data. If you have a alot of items in a group > 20 or big string sizes you might run into oracle string size limit 'result of string concatenation is too long'. From oracl...
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Multiple levels of 'collection.defaultdict' in Python

...ng specific that you need help with? When d[new_key] is accessed, it will call the lambda which will create a new defaultdict(int). And when d[existing_key][new_key2] is accessed, a new int will be created. – interjay Oct 11 '13 at 12:53 ...
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Change URL and redirect using jQuery

... Mathias BynensMathias Bynens 124k4848 gold badges203203 silver badges238238 bronze badges 5 ...
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BaseException.message deprecated in Python 2.6

...of the exception hierarchy. Provides an 'args' attribute that contains all arguments passed to the constructor. Suggested practice, though, is that only a single string argument be passed to the constructor.""" __str__ and __repr__ are already implemented in a meaningful way, especiall...
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When use getOne and findOne methods Spring Data JPA

... answered Jun 26 '15 at 13:32 Marek HalmoMarek Halmo 2,05111 gold badge1313 silver badges1818 bronze badges ...
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How do I Convert DateTime.now to UTC in Ruby?

...ok. – DanSingerman Apr 16 '09 at 11:32 2 Oh sweet. So whats the difference between Date, Time an...
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Eclipse: quick search on filename

... Eclipse does provide similar functions: Open Resource Shift+Ctrl+R for all resource files (including Java files) Open Type Shift+Ctrl+T for all Java classes in classpath. They also filter the list as you type. Note that they search all files of all opened projects in current workspace. ...
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Why should I care that Java doesn't have reified generics?

...esn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there. ...
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How do I sort a Set to a List in Java?

...thank you. – sunleo Nov 17 '12 at 9:32 3 This might be a nice generic Utility function, but the f...
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Best way to define error codes/strings in Java?

...re's certainly a better implementation of the enum solution (which is generally quite nice): public enum Error { DATABASE(0, "A database error has occurred."), DUPLICATE_USER(1, "This user already exists."); private final int code; private final String description; private Error(int code...