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When and why are database joins expensive?
... scan only when one or more of the following holds.
There are fewer than 200 rows in the relation (in this case a scan will be cheaper)
There are no suitable indexes on the join columns (if it's meaningful to join on these columns then why aren't they indexed? fix it)
A type coercion is required b...
How do I escape ampersands in XML so they are rendered as entities in HTML?
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When your XML contains &, this will result in the text &.
When you use tha...
Only variables should be passed by reference
Any ideas? After 2 days still stuck.
12 Answers
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How to force ASP.NET Web API to always return JSON?
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answered Aug 9 '13 at 11:23
Dmitry PavlovDmitry Pavlov
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How do I use CSS in Django?
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edited Dec 23 '15 at 17:55
stites
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Opacity of background-color, but not the text [duplicate]
...y served via conditional comments or similar!
via http://robertnyman.com/2010/01/11/css-background-transparency-without-affecting-child-elements-through-rgba-and-filters/
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Visual Studio 2010 shortcut to find classes and methods?
Is there any shortcut in Visual studio 2010 to find classes/interfaces?
7 Answers
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Java Generate Random Number Between Two Given Values [duplicate]
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edited Oct 29 '18 at 0:01
Ivonet
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Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy
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27 Answers
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How to configure the web.config to allow requests of any length
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Add the following to your web.config:
<system.webServer>
<security>
<req...