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PostgreSQL LIKE query performance variations
...text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator:
Get partial match from GIN indexed TSVECTOR column
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Unit test, NUnit or Visual studio?
...it has few advantages over MS-Test
Suite attribute - can aggregate tests and execute them separately (useful for large projects with fast and slow tests for example)
Readable Assert method, e.g. Assert.AreEqual(expected, actual) vs Assert.That(actual, Is.EqualTo(expected))
NUnit has frequent versi...
Prevent tabstop on A element (anchor link) in HTML
...rt the tabindex="-1" attribute, but not all of them, since this is not a standard behaviour.
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how to implement a pop up dialog box in iOS
... say display a custom UI in your UIAlertView, you can subclass UIAlertView and put in custom UI components in the init method. If you want to respond to a button press after a UIAlertView appears, you can set the delegate above and implement the - (void)alertView:(UIAlertView *)alertView clickedButt...
What is Virtual DOM?
.... It uses a concept called "the Virtual DOM," which I didn't really understand.
10 Answers
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What does Python's eval() do?
...was a trivial example, but you could let the user type in an arbitrary command and have python execute it. So you could have the user type in a command string and then have python run it as code. So for example: eval("__import__('os').remove('file')").
– BYS2
F...
Binary Data in MySQL [closed]
...a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is specific for handling binary data.
See the relevant manual page for MySQL.
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What does the “static” modifier after “import” mean?
...overuse the static
import feature, it can make your
program unreadable and unmaintainable,
polluting its namespace with all the
static members you import. Readers of
your code (including you, a few months
after you wrote it) will not know
which class a static member comes
from. Impor...
How to detect pressing Enter on keyboard using jQuery?
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I'm linking to this because I read this and left scratching my head over why keypress didn't work with IE. (it won't bind to $(window) under IE) quirksmode.org/dom/events/keys.html
– Incognito
Mar 2 '11 at 16:49
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What does !important mean in CSS?
...sentially, what it says; that 'this is important, ignore subsequent rules, and any usual specificity issues, apply this rule!'
In normal use a rule defined in an external stylesheet is overruled by a style defined in the head of the document, which, in turn, is overruled by an in-line style within ...