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How do I force Postgres to use a particular index?

...s a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate ...
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Rails 3: I want to list all paths defined in my rails application

...rver automatically gives me a routing error page as well as all the routes and paths defined. That was very helpful :) So, Just go to http://localhost:3000/routes share | improve this answer ...
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CSS container div not getting height

...g containers have, where they are not calculated in height for containers, and apply them for the full background drawing. – Nightfirecat Oct 19 '11 at 15:29 4 ...
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How can I make Bootstrap columns all the same height?

... Nice answer, with some caveats. Solution 1 disables the float and therefore breaks the bootstrap grid responsive behavior. Solution 2 (explained in greater depth in positioniseverything.net/articles/onetruelayout/equalheight) doesn't show the bottom border (as it is clipped somewhere in...
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What is the list of valid @SuppressWarnings warning names in Java?

...e of missing synchronize when overriding a synchronized method Kepler and Luna use the same token list as Juno (list). Others will be similar but vary. share | improve this answer | ...
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Count(*) vs Count(1) - SQL Server

Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past? ...
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How can I split a shell command over multiple lines when using an IF statement?

How can I split a command over multiple lines in the shell, when the command is part of an if statement? 2 Answers ...
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How to find current transaction level?

... just run DBCC useroptions and you'll get something like this: Set Option Value --------------------------- -------------- textsize 2147483647 language us_english dateformat mdy d...
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How can I get the client's IP address in ASP.NET MVC?

I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object? ...
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Function passed as template argument

...o the function, which means that the function to call is add3::operator(), and not just some unknown function pointer.) share | improve this answer | follow | ...