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How to get the nth element of a python list or a default if not available
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Doesn't work if your list doesn't have a name, though - for instance, in a list comprehension.
– Xiong Chiamiov
Jul 20 '11 at 1:12
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Best way to alphanumeric check in JavaScript
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ñ does not fall into the pattern however fully valid UTF-8 char.
– Oybek
Apr 4 '13 at 16:35
8
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Can (domain name) subdomains have an underscore “_” in it?
...a hostname:
...[the fact that] any binary label can have an MX record does not imply that any binary name can be used as the host part of an e-mail address...
So underscores in hostnames are a no-no, underscores in domain names are a-ok.
In practice, one may well see hostnames with underscor...
How to play with Control.Monad.Writer in haskell?
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The package Control.Monad.Writer does not export the data constructor Writer. I guess this was different when LYAH was written.
Using the MonadWriter typeclass in ghci
Instead, you create writers using the writer function. For example, in a ghci session I ...
Generating PDF files with JavaScript
...g is pdfmake.
pdfmake playground
pdfmake on github
The browser support does not appear to be as strong as jsPDF, nor does there seem to be an option for shapes, but the options for formatting text are more advanced then the options currently available in jsPDF.
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Which HTML elements can receive focus?
...usual behaviour for security reasons
HTMLIFrameElement (though focusing it doesn't do anything useful). Other embedding elements also, maybe, I haven't tested them all.
Any element with a tabindex
There are likely to be other subtle exceptions and additions to this behaviour depending on browser.
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Remove trailing zeros
...answer on this question (and even the whole subject) is actually WORKS and does what the OP is asking.
– Coxy
Dec 13 '11 at 1:33
2
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GoogleTest: How to skip a test?
... name. This will exclude it from execution."
Examples:
// Tests that Foo does Abc.
TEST(FooTest, DISABLED_DoesAbc) { ... }
class DISABLED_BarTest : public ::testing::Test { ... };
// Tests that Bar does Xyz.
TEST_F(DISABLED_BarTest, DoesXyz) { ... }
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Multiline string literal in C#
...al in C#, and it's just a matter of putting @ before the literal. Not only does this allow multiple lines, but it also turns off escaping. So for example you can do:
string query = @"SELECT foo, bar
FROM table
WHERE name = 'a\b'";
This includes the line breaks (using whatever line break your sour...
How do I uniquely identify computers visiting my web site?
...y uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this?
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