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ActiveRecord, has_many :through, and Polymorphic Associations
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edited Dec 5 '11 at 9:09
answered Nov 5 '09 at 23:53
Em...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
&g...
how to set a value for a span using JQuery
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answered Sep 29 '09 at 10:32
cletuscletus
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How to remove the last character from a string?
...ring method(String str) {
if (str != null && str.length() > 0 && str.charAt(str.length() - 1) == 'x') {
str = str.substring(0, str.length() - 1);
}
return str;
}
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How to cancel a pull request on github?
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edited Aug 31 at 7:00
Kai Noack
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answere...
“new” keyword in Scala
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answered Mar 15 '12 at 20:36
OwenOwen
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What encoding/code page is cmd.exe using?
...e start of each file for
a UTF-16LE Byte Order Mark
(BOM), i.e. the bytes 0xFF 0xFE.
If it finds such a
mark, it displays the Unicode characters in the file using WriteConsoleW
regardless of the current codepage. But when typeing any file without a
UTF-16LE BOM, or for using non-ASCII characters wi...
How to put a unicode character in XAML?
...rmat you could try the XML character escape. So instead of writing &\u2014, you could write — instead.
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How to parse a JSON string into JsonNode in Jackson?
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edited Apr 3 '15 at 20:37
John Gietzen
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TypeScript or JavaScript type casting
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301
You can cast like this:
return this.createMarkerStyle(<MarkerSymbolInfo> symbolInfo);
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