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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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Django: Set foreign key using integer?
...mployee = Employee(first_name="Name", last_name="Name")
employee.type_id = 4
employee.save()
ForeignKey fields store their value in an attribute with _id at the end, which you can access directly to avoid visiting the database.
The _id version of a ForeignKey is a particularly useful aspect of Dj...
How can I insert values into a table, using a subquery with more than one result?
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Mike RyanMike Ryan
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How to have no pagebreak after \include in LaTeX
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4 Answers
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How to retrieve a user environment variable in CMake (Windows)
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4 Answers
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular i...
Include all files in a folder in a single bundle
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daniellmb
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answered Nov 10 '13 at 20:05
ZabavskyZabavsky
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How to determine function name from inside a function
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Urda
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answered Dec 2 '09 at 21:31
TheBonsaiTheBonsai
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How to make a new line or tab in XML (eclipse/android)?
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Boris StrandjevBoris Strandjev
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Redirect to named url pattern directly from urls.py in django?
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If you are on Django 1.4 or 1.5, you can do this:
from django.core.urlresolvers import reverse_lazy
from django.views.generic import RedirectView
urlpatterns = patterns('',
url(r'^some-page/$', RedirectView.as_view(url=reverse_lazy('my_named_...