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How do I count a JavaScript object's attributes? [duplicate]

...ry object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free." Here's one way...
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Is there a way to instantiate objects from a string holding their class name?

...initializing or assigning to it. Have a look at its documentation here. Finally, the use of a raw function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this the...
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How to sort an IEnumerable

How can I sort an IEnumerable<string> alphabetically. Is this possible? 4 Answers ...
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Counting array elements in Python [duplicate]

... in an array, because contrary to logic array.count(string) does not count all the elements in the array, it just searches for the number of occurrences of string. ...
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How does type Dynamic work and how to use it?

... Scalas type Dynamic allows you to call methods on objects that don't exist or in other words it is a replica of "method missing" in dynamic languages. It is correct, scala.Dynamic doesn't have any members, it is just a marker interface - the co...
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Python debugging tips [closed]

... same effect in the running code ipdb is a version of pdb for IPython. It allows the use of pdb with all the IPython features including tab completion. It is also possible to set pdb to automatically run on an uncaught exception. Pydb was written to be an enhanced version of Pdb. Benefits? ...
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How to add target=“_blank” to JavaScript window.location?

... @twinlakes this gets blocked in all modern browsers. – Ben Racicot Nov 4 '15 at 15:21 ...
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Where can I get a list of Ansible pre-defined variables?

...h0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...
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What does [:] mean?

...he type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data. ...
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Combining Multiple Commits Into One Prior To Push

...its at once. Many times, you may want to break your work down into a few small, logical commits, but only push them up once you feel like the whole series is ready. Or you might be making several commits locally while disconnected, and you push them all once you're connected again. There's no reason...