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Rails nested form with has_many :through, how to edit attributes of join model?
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honestly, this is the kind of full example that the rubyonrails.org guides need.
– ahnbizcad
Jul 17 '14 at 23:24
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String to LocalDate
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java.time
Since Java 1.8, you can achieve this without an extra library by using the java.time classes. See Tutorial.
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MMM-dd");
formatter = formatter.withLocale( putAppropriateLocaleHere ); // Locale specifies human language for tr...
What is the `sensor` parameter for in the Google Places API?
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How do I change the figure size with subplots?
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Regex to match a digit two or four times
... may be using your regex library's "find matching substring" functionality by mistake, rather than its "check if complete string matches" functionality. You should consult its documentation.
– ruakh
Mar 1 '17 at 6:44
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Set margins in a LinearLayout programmatically
... be accomplished via XML and not through Java methods in the SDK. In fact, by definition, everything has to be doable via Java (though not necessarily via SDK-reachable methods), since XML is not executable code. But, if you're aware of something, point it out, because that's a bug in the SDK that s...
Force overwrite of local file with what's in origin repo?
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How to write to a JSON file in the correct format
I am creating a hash in Ruby and want to write it to a JSON file, in the correct format.
4 Answers
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Formatting a float to 2 decimal places
... "123,456.78 %" standard percent, notice that value is multiplied by 100
$"{1234.5678:2}" "2" :)
Performance Warning
Interpolated strings are slow. In my experience this is the order (fast to slow):
value.ToString(format)+" blah blah"
string.Format("{0:format} bl...
find without recursion
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