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What is the difference between range and xrange functions in Python 2.X?
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CharlesCharles
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Checking for empty queryset in Django
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@Wtower The code you refer to has for contract to raise 404 if the filtering expression does not hit any records or to produce a list of the result if there are records. The code there will hit the database just once. If they used exist() or count() to first check whether there ar...
Does reading an entire file leave the file handle open?
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4 Answers
4
Active
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Should I prefer pointers or references in member data?
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answered May 21 '09 at 10:41
James HopkinJames Hopkin
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Delaying AngularJS route change until model loaded to prevent flicker
...// see: https://groups.google.com/forum/?fromgroups=#!topic/angular/DGf7yyD4Oc4
var deferred = $q.defer();
Phone.query(function(successData) {
deferred.resolve(successData);
}, function(errorData) {
deferred.reject(); // you could optionally pass error data here
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Overriding a JavaScript function while referencing the original
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Viccari
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answered Nov 17 '08 at 20:01
Matthew CrumleyMatthe...
What's a correct and good way to implement __hash__()?
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Mark Amery
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answered May 25 '10 at 22:59
John MillikinJo...
What is an .inc and why use it?
... PaulPaul
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Update Angular model after setting input value with jQuery
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edited May 23 '17 at 11:47
Community♦
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answered Jun 14 '13 at 14:22
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Prevent body scrolling but allow overlay scrolling
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641
Theory
Looking at current implementation of the pinterest site (it might change in the future)...