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How do I add options to a DropDownList using jQuery?

...orting it. What we can do is, create a new select element and then append all options. Once loop is finished, append it to actual DOM object. var myOptions = { val1 : 'text1', val2 : 'text2' }; var _select = $('<select>'); $.each(myOptions, function(val, text) { _select.append( ...
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How to create a density plot in matplotlib?

...with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussian_kde class. First, here is what you get without changing that function: However, if I use the following code: import...
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How do I mock an open used in a with statement (using the Mock framework in Python)?

...ager (from the examples page in the mock documentation): >>> open_name = '%s.open' % __name__ >>> with patch(open_name, create=True) as mock_open: ... mock_open.return_value = MagicMock(spec=file) ... ... with open('/some/path', 'w') as f: ... f.write('something') ...
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Window.open and pass parameters by post method

...').submit(); </script> Edit: To set the values in the form dynamically, you can do like this: function openWindowWithPost(something, additional, misc) { var f = document.getElementById('TheForm'); f.something.value = something; f.more.value = additional; f.other.value = misc; win...
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Multiple columns index when using the declarative ORM extension of sqlalchemy

...e just Column objects, index=True flag works normally: class A(Base): __tablename__ = 'table_A' id = Column(Integer, primary_key=True) a = Column(String(32), index=True) b = Column(String(32), index=True) if you'd like a composite index, again Table is present here as usual you ju...
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No route matches [GET] /assets

...nment. I ran RAILS_ENV=production rake assets:precompile which generated all of my assets in /public/assets. The problem is that when I start my app w/ RAILS_ENV=production rails s thin I get: ...
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What's wrong with nullable columns in composite primary keys?

... Primary keys are for uniquely identifying rows. This is done by comparing all parts of a key to the input. Per definition, NULL cannot be part of a successful comparison. Even a comparison to itself (NULL = NULL) will fail. This means a key containing NULL would not work. Additonally, NULL is al...
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JavaScript: location.href to open in new window/tab?

...notification in modern browsers, doesn't simulate a _blank anchor click at all. – Nathan Hornby Oct 1 '14 at 12:46 22 ...
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Find intersection of two nested lists?

... 3 filter returns an iterable instead of list, so you need to wrap filter calls with list(): c3 = [list(filter(lambda x: x in c1, sublist)) for sublist in c2] Explanation: The filter part takes each sublist's item and checks to see if it is in the source list c1. The list comprehension is exec...
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Combining two Series into a DataFrame in pandas

... this actually avoids copying too (as compared to the dict solution) – Jeff Aug 5 '13 at 16:27 ...