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What is Lazy Loading?
...:
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@property
def total(self):
if not hasattr(self, "_total"):
self._total = self.quantity \
+ sum(bi.quantity for bi in self.borroweditem_set.all())
return self._total
Basically, I have an Item class which represents an item in our inven...
.NET 4.0 has a new GAC, why?
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answered Apr 17 '10 at 22:46
Brian R. BondyBrian R. Bondy
302k110110 gold badges566566 silver badges614614 bronze badges
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Convert absolute path into relative path given a current directory using Bash
...imir Panteleev
23.6k66 gold badges6464 silver badges105105 bronze badges
answered Feb 15 '15 at 4:59
modulus0modulus0
2,62811 gold...
Intro to GPU programming [closed]
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edited Mar 22 '10 at 23:35
answered Oct 20 '08 at 21:15
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Are fluid websites worth making anymore? [closed]
...s which make it hard to design sites for. For example, I'm writing this at 1024x600.
It's not particularly hard nowadays either (in modern browsers), especially with min- and max-height in CSS, and the new gradients, etc in CSS3, so image scaling won't be as big a problem in the near future.
In re...
How to reference a file for variables using Bash?
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10
in Bash, to source some command's output, instead of a file:
source <(echo vara=3) # var...
How do you get the length of a string?
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10 Answers
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Is it a good idea to index datetime field in mysql?
... case?
– cronoklee
Nov 22 '18 at 18:10
hi @Explosion Pills, if I only need to query the table base on year and month, ...
Comparing two dataframes and getting the differences
...13-11-24 Orange 8.6 Orange
2013-11-24 Apple 7.6 Green
2013-11-24 Celery 10.2 Green
""")
DF2 = StringIO("""Date Fruit Num Color
2013-11-24 Banana 22.1 Yellow
2013-11-24 Orange 8.6 Orange
2013-11-24 Apple 7.6 Green
2013-11-24 Celery 10.2 Green
2013-11-25 Apple 22.1 Red
2013-11-25 Orang...
How to set HttpResponse timeout for Android in Java
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