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Python json.loads shows ValueError: Extra data

...) # == json.loads(json.dumps({}) + json.dumps({})) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python27\lib\json\__init__.py", line 338, in loads return _default_decoder.decode(s) File "C:\Python27\lib\json\decoder.py", line 368, in decode ...
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Determine whether an array contains a value [duplicate]

... } return index; }; } return indexOf.call(this, needle) > -1; }; You can use it like this: var myArray = [0,1,2], needle = 1, index = contains.call(myArray, needle); // true CodePen validation/usage ...
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What is the pythonic way to avoid default parameters that are empty lists?

...he preferred way in this example is to say: if working_list is None . The caller might have used an empty list-like object with a custom append. – tzot Dec 14 '08 at 12:45 5 ...
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How to call Base Class's __init__ method from the child class? [duplicate]

... If you pass BaseClass to super, it'll skip over BaseClass and call object.__init__, which is almost certainly not what you want. – abarnert Oct 6 '13 at 7:29 1 ...
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How can I remove an element from a list, with lodash?

...eturn an element if the predicate is true. Your implementation will return all unwanted elements instead of those you want to keep – Xeltor Jun 14 '17 at 19:26 5 ...
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Convert floats to ints in Pandas?

... If it's dtype then you need to create those columns as dtype object so it allows mixed, otherwise my advice would be to just use float and when doing comparisons use np.isclose – EdChum Jun 7 '19 at 7:46 ...
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How to import a Python class that is in a directory above?

...on __file__ to find out the parent directory (a couple of os.path.dirname calls will do;-), then (if that directory is not already on sys.path) prepend temporarily insert said dir at the very start of sys.path, __import__, remove said dir again -- messy work indeed, but, "when you must, you must" (a...
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Ways to implement data versioning in MongoDB

... approach would be to store diffs. Because the display of these diffs is really a special action, I would put the diffs in a different "history" collection. I would use the different collection to save memory space. You generally don't want a full history for a simple query. So by keeping the histo...
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Difference between dispatch_async and dispatch_sync on serial queue?

... I do mean serial execution. In point of view that all tasks are executed serial regards to other tasks in the same queue. Of cause it still can be concurrent regards to other queues. It is the whole point of GCD that tasks can be dispatched and executed concurrently. ...
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How do you read CSS rule values with JavaScript?

I would like to return a string with all of the contents of a CSS rule, like the format you'd see in an inline style. I'd like to be able to do this without knowing what is contained in a particular rule, so I can't just pull them out by style name (like .style.width etc.) ...