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How to sort two lists (which reference each other) in the exact same way

...rt(); zip(*tups) 100000 loops, best of 3: 2.84 us per loop On the other hand, for larger lists, the one-line version could be faster: >>> %timeit zip(*sorted(zip(list1, list2))) 100 loops, best of 3: 8.09 ms per loop >>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tups) ...
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Difference between passing array and array pointer into function in C

... First, some standardese: 6.7.5.3 Function declarators (including prototypes) ... 7 A declaration of a parameter as ‘‘array of type’’ shall be adjusted to ‘‘qualified pointer to type’’, where the type qualifiers (if any) a...
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Why are two different concepts both called “heap”?

...e the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation? ...
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What does it mean to hydrate an object?

... exists in memory, that doesn't yet contain any domain data ("real" data), and then populating it with domain data (such as from a database, from the network, or from a file system). From Erick Robertson's comments on this answer: deserialization == instantiation + hydration If you don't need...
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What does addChildViewController actually do?

I'm just dipping my feet for the first time into iOS development, and one of the first things I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a stan...
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python: How do I know what type of exception occurred?

...ns, but no one seems to want to tell you why, which is essential to understanding when you can break the "rule". Here is an explanation. Basically, it's so that you don't hide: the fact that an error occurred the specifics of the error that occurred (error hiding antipattern) So as long as you ...
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Emacs - Multiple columns one buffer

.... I'd like to be able to use some of the acres of horizontal space I have and see more code on-screen at one time. Is there a method for getting Emacs (or indeed another editor) to show me multiple columns all pointing to the same buffer? ...
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Find a string by searching all tables in SQL Server Management Studio 2008

... If you are like me and have certain restrictions in a production environment, you may wish to use a table variable instead of temp table, and an ad-hoc query rather than a create procedure. Of course depending on your sql server instance, it m...
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Does MongoDB's $in clause guarantee order

...the results { "$sort": { "weight": 1 } } ]) So that would be the expanded form. What basically happens here is that just as the array of values is passed to $in you also construct a "nested" $cond statement to test the values and assign an appropriate weight. As that "weight" value reflects t...
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Most common way of writing a HTML table with vertical headers?

...ould use the colspan attribute to fix that. Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3. With that being said, the first option is the better approach in my opinion because it's readable regardless of whether or not ...