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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...
Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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Does reading an entire file leave the file handle open?
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4 Answers
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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 is an .inc and why use it?
... PaulPaul
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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)...
git reset --hard HEAD leaves untracked files behind
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Eugene Kaurov
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answered Dec 1 '10 at 18:28
knittlknittl
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How to import existing Git repository into another?
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Probably the simplest way would be to pull the XXX stuff into a branch in YYY and then merge i...
Object.watch() for all browsers?
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Eli GreyEli Grey
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MongoDB vs. Cassandra [closed]
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edited Oct 25 '18 at 17:04
Esteban Verbel
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answered...