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Does Foreign Key improve query performance?
Suppose I have 2 tables, Products and ProductCategories. Both tables have relationship on CategoryId. And this is the query.
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Inheritance and Overriding __init__ in python
I was reading 'Dive Into Python' and in the chapter on classes it gives this example:
5 Answers
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Resetting a multi-stage form with jQuery
I have a form with a standard reset button coded thusly:
30 Answers
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How do I check if I'm running on Windows in Python? [duplicate]
I found the platform module but it says it returns 'Windows' and it's returning 'Microsoft' on my machine. I notice in another thread here on stackoverflow it returns 'Vista' sometimes.
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How to get parameters from the URL with JSP
...http://hostname.com?p1=v1&p2=v2 contains two request parameters - - p1 and p2. In a POST request, the request parameters are taken from both query string and the posted data which is encoded in the body of the request.
This example demonstrates how to include the value of a request parameter in...
Stacking DIVs on top of each other?
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I got the divs to stack be using position: relative and specifying height
– yan bellavance
Oct 18 '16 at 15:50
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Using Panel or PlaceHolder
What is the difference between <asp:Panel > and <asp:PlaceHolder > in ASP.NET?
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How do I sort unicode strings alphabetically in Python?
Python sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python?
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Use jQuery to change an HTML tag?
...s many elements in as many ways...
Example usage:
keep existing class and attributes:
$('div#change').replaceTag('<span>', true);
or
Discard existing class and attributes:
$('div#change').replaceTag('<span class=newclass>', false);
or even
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How do I make the method return type generic?
...his is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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