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How to convert a Django QuerySet to a list

...er Update with regard to the comment: There are various ways to do this. One (which is probably not the best one in terms of memory and time) is to do exactly the same : answer_ids = set(answer.id for answer in answers) existing_question_answers = filter(lambda x: x.answer.id not in answers_id, e...
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pass string parameter in an onclick function

... Hi @david..I have one doubt...I want to pass multiple argument in that onclick..how it possible? can you make useful for me..? – VIVEK-MDU Aug 22 '13 at 13:25 ...
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How does a “stack overflow” occur and how do you prevent it?

... what are the best ways to make sure it doesn't happen, or ways to prevent one, particularly on web servers, but other examples would be interesting as well? ...
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How to change the style of the title attribute inside an anchor tag?

...do it: a.tip { border-bottom: 1px dashed; text-decoration: none } a.tip:hover { cursor: help; position: relative } a.tip span { display: none } a.tip:hover span { border: #c0c0c0 1px dotted; padding: 5px 20px 5px 5px; display: block; z-index: 1...
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How to check if an NSDictionary or NSMutableDictionary contains a key?

... Example one in this answer is slow. – James Van Boxtel Jun 23 '11 at 17:31 5 ...
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What does the leading semicolon in JavaScript libraries do?

... It allows you to safely concatenate several JavaScript files into one, to serve it quicker as one HTTP request. share | improve this answer | follow |...
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Draw line in UIView

... Does one not need to call CGContextBeginPath(context); before CGContextMoveToPoint(...);? – i_am_jorf Nov 9 '11 at 18:38 ...
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Why is argc not a constant?

...lt;< std::endl; I've written such programs in C, and I know I'm not alone. I copied the example from somewhere. share | improve this answer | follow | ...
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How do you format an unsigned long long int using printf?

...ed to be C90 compliant by design; C99 introduced some things that not everyone liked. – スーパーファミコン Oct 11 '09 at 20:57 6 ...
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How to use transactions with dapper.net?

...eves: Well, we're probably using different Dapper frameworks, because this one has: github.com/StackExchange/dapper-dot-net – andrecarlucci Nov 28 '14 at 18:28 26 ...