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Access nested dictionary items via a list of keys?

..., 'z': 3}, 'w': 3}} Note that the Python PEP8 style guide prescribes snake_case names for functions. The above works equally well for lists or a mix of dictionaries and lists, so the names should really be get_by_path() and set_by_path(): from functools import reduce # forward compatibility for Py...
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How do I write a short literal in C++?

....0; c = (short)2; d = '\2'; Compile -> disassemble -> movl $2, _a movl $2, _b movl $2, _c movl $2, _d share | improve this answer | follow ...
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php stdClass to array

...g functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first. Requirements The json_encode and json_decode methods. These are automatically bundled in PHP 5.2.0 and up. If you use any older version there's also a ...
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How to tell if a tag failed to load

... }; var fail = function () { if (!scriptTag.__es) { scriptTag.__es = true; scriptTag.id = 'failed'; args.failure(scriptTag); } }; scriptTag.onload = function () { ...
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How to create a DataTable in C# and how to add rows?

...e(); dt.Clear(); dt.Columns.Add("Name"); dt.Columns.Add("Marks"); DataRow _ravi = dt.NewRow(); _ravi["Name"] = "ravi"; _ravi["Marks"] = "500"; dt.Rows.Add(_ravi); To see the structure, or rather I'd rephrase it as schema, you can export it to an XML file by doing the following. To export only th...
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Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate

...inds of situations: Use ngInit directive in templates (for toy/example apps only, not recommended for real applications) Here's a jsFiddle with a working example. share | improve this answer...
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Nested classes' scope?

... class Outer(object): outer_var = 1 class Inner(object): @property def inner_var(self): return Outer.outer_var This isn't quite the same as similar things work in other languages, and uses global lookup instead of sco...
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Multiprocessing: How to use Pool.map on a function defined in a class?

... [p.join() for p in proc] return [p.recv() for (p, c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | ...
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How do you round a floating point number in Perl?

...foreach my $i ( 0.5, 1.5, 2.5, 3.5 ) { printf "$i -> %.0f\n", $i; } __END__ 0.5 -> 0 1.5 -> 2 2.5 -> 2 3.5 -> 4 share | improve this answer | follow ...
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SQL Add foreign key to existing column

...rst and then re-run the statement. ALTER TABLE Employees ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID) REFERENCES ActiveDirectories(id); share | improve this answer ...