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How to convert currentTimeMillis to a date in Java?
...nt.ofEpochMilli( 1_322_018_752_992L );
instant.toString(): 2011-11-23T03:25:52.992Z
The Z in that standard ISO 8601 formatted string is short for Zulu and means UTC.
Apply a time zone using a proper time zone name, to get a ZonedDateTime.
ZoneId zoneId = ZoneId.of( "Asia/Kolkata" ) ;
ZonedD...
How can I check if an argument is defined when starting/calling a batch file?
... message.
– tekumara
Feb 8 '12 at 1:03
2
Note that, if you aren't using commandline arguments but...
What is a higher kinded type in Scala?
...tactic overhead (the #λ-style is due to https://stackoverflow.com/users/160378/retronym afaik):
In some hypothetical future version of Scala that supports anonymous type functions, you could shorten that last line from the examples to:
types (informally) String [x] => x [F[x]] =&...
How do I list all loaded assemblies?
...
answered Nov 29 '11 at 0:03
s15199ds15199d
5,72777 gold badges3636 silver badges6161 bronze badges
...
Exception messages in English?
...paramName"))
– Joe
Oct 16 '08 at 20:03
3
I am confused. I've tried following your answer and to t...
Creating an empty file in C#
...ally empty).
– Fil
May 27 '15 at 21:03
1
@Fil: Are you sure? The documentation says that File.Wri...
iPhone Keyboard Covers UITextField
...
AmagrammerAmagrammer
6,38033 gold badges2525 silver badges3030 bronze badges
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How do I make and use a Queue in Objective-C?
...
answered Jun 1 '09 at 20:03
WolfcowWolfcow
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Get first key in a (possibly) associative array?
...array.
Foreach is not inefficient at all, feel free to use it!
Edit 2015-03-03:
Benchmark scripts have been requested, I don't have the original ones but made some new tests instead. This time I found the foreach only about twice as fast as reset/key. I used a 100-key array and ran each method a ...
How can I get the count of milliseconds since midnight for the current?
...Field.MILLI_OF_SECOND ) // interrogate a `TemporalField`.
2017-04-25T03:01:14.113Z → 113
Get the fractional second in nanoseconds (billions).
Divide by a thousand to truncate to milliseconds (thousands).
See this code run live at IdeOne.com.
Using java.time
The modern way is with the ...
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