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Django select only rows with duplicate field values
suppose we have a model in django defined as follows:
5 Answers
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Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
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How to send POST request?
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If you really want to handle with HTTP using Python, I highly recomm>me m>nd Requests: HTTP for Humans. The POST quickstart adapted to your question is:
>>> import requests
>>> r = requests.post("http://bugs.python.org", data={'number': 12524, 'type': 'issue', 'action': 'show'...
SQL Server Profiler - How to filter trace to only display events from one database?
How do I limit a SQL Server Profiler trace to a specific database? I can't see how to filter the trace to not see events for all databases on the instance I connect to.
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difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an elem>me m>nt?
2 Answers
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What's the difference between using INDEX vs KEY in MySQL?
...NDEX as in the following code. And I know how to use foreign key and primary key .
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Ajax using https on an http page
My site uses http and https protocol; it doesn't affect the content. My site uses jQuery ajax calls, which fills som>me m> areas on the page, too.
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CSS performance relative to translateZ(0)
A number of blogs have expressed the performance gain in 'tricking' the GPU to think that an elem>me m>nt is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner:
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Immutable vs Mutable types
..."mut" x?
Well you agree strings are immutable right? But you can do the sam>me m> thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by changing what the variable refers to. A mutable type can change that way, and it can also change "in place".
Here is the...
How big is too big for a PostgreSQL table?
I'm working on the design for a RoR project for my company, and our developm>me m>nt team has already run into a bit of a debate about the design, specifically the database.
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