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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Subqueries vs joins
http://www.scribd.com/doc/2546837/New-Subquery-Optimizations-In-MySQL-6
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Django, creating a custom 500/404 error page
...URLconf (setting them anywhere else will have no effect):
handler404 = 'mysite.views.my_custom_page_not_found_view'
handler500 = 'mysite.views.my_custom_error_view'
handler403 = 'mysite.views.my_custom_permission_denied_view'
handler400 = 'mysite.views.my_custom_bad_request_view'
You can also cus...
What exactly is Java EE?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How do you change the server header returned by nginx?
...e everything, but only the server version.
– Digital site
Mar 16 '14 at 4:59
3
Does not remove th...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...d testing tool in order to simulate multiple users in parallel on your web site to see how it behaves under heavy load. Mini Profiler cannot simulate load on your website. It might help you see and optimize your ADO.NET queries and profile a single request which is useless when you need to see how y...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...n that thinking.
There's an example of this in the documentation: http://www.postgresql.org/docs/9.3/static/plpgsql-control-structures.html, example 40-2 right at the bottom.
That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
.... Useful to get an at a glance view of usage.
See jstat docs on Oracle's site.
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Making the main scrollbar always visible
... Are there any alternatives to "page jumping" when certain pages on your site are too small to have a scroll bar and others are? Or is this the "best practice"? I'll have to admit, I don't see many pages out on the webs that don't take up a full page.
– Jess
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What's the best way to generate a UML diagram from Python source code? [closed]
... That's a really good suggestion, but FWIW I notice on the PyUML project site that they don't support Eclipse 3.4 (Ganymede) yet. I'll look forward to trying it when they work that out.
– Bill Karwin
Nov 3 '08 at 22:35
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Java : How to determine the correct charset encoding of a stream
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check this out:
http://site.icu-project.org/ (icu4j)
they have libraries for detecting charset from IOStream
could be simple like this:
BufferedInputStream bis = new BufferedInputStream(input);
CharsetDetector cd = new CharsetDetector();
cd.setTe...