How to nicely format floating numbers to string without unnecessary decimal 0’s

If the idea is to print integers stored as doubles as if they are integers, and otherwise print the doubles with the minimum necessary precision: public static String fmt(double d) { if(d == (long) d) return String.format(“%d”,(long)d); else return String.format(“%s”,d); } Produces: 232 0.18 1237875192 4.58 0 1.2345 And does not rely on string manipulation.

What is this date format? 2011-08-12T20:17:46.384Z

The T is just a literal to separate the date from the time, and the Z means “zero hour offset” also known as “Zulu time” (UTC). If your strings always have a “Z” you can use: SimpleDateFormat format = new SimpleDateFormat( “yyyy-MM-dd’T’HH:mm:ss.SSS’Z'”, Locale.US); format.setTimeZone(TimeZone.getTimeZone(“UTC”)); Or using Joda Time, you can use ISODateTimeFormat.dateTime().

How do I print curly-brace characters in a string while using .format?

You need to double the {{ and }}: >>> x = ” {{ Hello }} {0} ” >>> print(x.format(42)) ‘ { Hello } 42 ‘ Here’s the relevant part of the Python documentation for format string syntax: Format strings contain “replacement fields” surrounded by curly braces {}. Anything that is not contained in braces is … Read more

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