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CPU Privilege Rings: Why rings 1 and 2 aren't used?
...her than 0 and 3, making OSes that use these levels much more difficult to test.
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Step-by-step debugging with IPython
...ly sends the %paste magic to the IPython buffer. This allows me to quickly test regions in IPython. I always run my programs from this IPython shell with run and use embed() to stop.
– Amelio Vazquez-Reina
Jun 1 '13 at 22:29
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SQL query to find record with ID not in another table
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Fast Alternative
I ran some tests (on postgres 9.5) using two tables with ~2M rows each. This query below performed at least 5* better than the other queries proposed:
-- Count
SELECT count(*) FROM (
(SELECT id FROM table1) EXCEPT (SELECT id FROM ...
What are the differences between Helper and Utility classes?
... that case a utility method isn't desirable as it's harder to mock out for testing purposes.
– Peter Lawrey
Oct 31 '16 at 16:43
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Using fonts with Rails asset pipeline
...t; /\.(?:svg|eot|woff|ttf)$/
— @jhilden, thoughtbot/bourbon
I've also tested it on rails 4.0.0. Actually the last one line is enough to safely precompile fonts from vendor folder. Took a couple of hours to figure it out. Hope it helped someone.
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Read logcat programmatically within application
... and compare it with a numeric date synchronized to the year 1970. I can't test this update for you, but it should definitely work; as the code comes from a working repository with amendments specific to this context.
– Hypersoft Systems
Nov 28 '17 at 12:18
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How to simplify a null-safe compareTo() implementation?
...se(two);
}
EDIT: Fixed typos in code sample. That's what I get for not testing it first!
EDIT: Promoted nullSafeStringComparator to static.
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Non-static variable cannot be referenced from a static context
I've written this test code:
12 Answers
12
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CSS3 Continuous Rotate Animation (Just like a loading sundial)
...bject upon rotation is inefficient, causing the hang (what browser are you testing under?)
If possible replace the .png with something native.
see; http://kilianvalkhof.com/2010/css-xhtml/css3-loading-spinners-without-images/
Chrome gives me no pauses using this method.
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About Java cloneable
...ther type, every time you do this you would have to add another instanceof test. And, what if the derived classes are in another package you can't even access? Cloning is a common pattern. Yes, the java implementation is bad, but there are many ways around it that will work just fine. A copy constru...