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How to convert an xml string to a dictionary?

...ntTree.XML(xml_string) >>> xmldict = XmlDictConfig(root) And then use xmldict for what it is... a dict. ''' def __init__(self, parent_element): if parent_element.items(): self.update(dict(parent_element.items())) for element in parent_element: ...
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Clean ways to write multiple 'for' loops

.../ ... } (or just: for ( auto& elem: m ) { } if you have C++11.) And if you need the three indexes during such iterations, it's possible to create an iterator which exposes them: class Matrix3D { // ... class iterator : private std::vector<int>::iterator { Matri...
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How do I see all foreign keys to a table or column?

...HEMA.KEY_COLUMN_USAGE WHERE REFERENCED_TABLE_SCHEMA = '<database>' AND REFERENCED_TABLE_NAME = '<table>'; For a Column: SELECT TABLE_NAME,COLUMN_NAME,CONSTRAINT_NAME, REFERENCED_TABLE_NAME,REFERENCED_COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE REFERENCED_TABL...
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How does the HyperLogLog algorithm work?

I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list. ...
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Xcode 6: Keyboard does not show up in simulator

The keyboard does not show up when I run the simulator and click in the UITextView. How do I re-enable the keyboard? 13 Ans...
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How to elegantly rename all keys in a hash in Ruby? [duplicate]

... Just use mappings[k] || k instead of mappings[k] above and it will leave keys not in the mapping as is. – Mladen Jablanović Nov 9 '10 at 20:26 ...
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How to implode array with key and value without foreach in PHP

... and another way: $input = array( 'item1' => 'object1', 'item2' => 'object2', 'item-n' => 'object-n' ); $output = implode(', ', array_map( function ($v, $k) { if(is_array($v)){ ...
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multiprocessing: How do I share a dict among multiple processes?

...rogram that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing) ...
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map function for objects (instead of arrays)

...For that matter I wanted to add another solution that returns a new object and leaves the original object as it is: var myObject = { 'a': 1, 'b': 2, 'c': 3 }; // returns a new object with the values at each key mapped using mapFn(value) function objectMap(object, mapFn) { return Object.k...
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filter items in a python dictionary where keys contain a specific string

...coder developing something in python. I know how to do the following in C (and hence in C-like logic applied to python), but I'm wondering what the 'Python' way of doing it is. ...