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Java code for getting current time [duplicate]
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FYI, the troublesome classes used here are now legacy, supplanted by the java.time classes.
– Basil Bourque
Mar 7 '18 at 2:58
1
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Override Java System.currentTimeMillis for testing time sensitive code
...than manually changing the system clock on the host machine?
Yes.
Instant.now(
Clock.fixed(
Instant.parse( "2016-01-23T12:34:56Z"), ZoneOffset.UTC
)
)
Clock In java.time
We have a new solution to the problem of a pluggable clock replacement to facilitate testing with faux date-ti...
C# List of objects, how do I get the sum of a property
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for(int i = 0; i < f; ++i)
{
p[i] = i % 2;
}
var time = DateTime.Now;
p.Sum();
Console.WriteLine(DateTime.Now - time);
int x = 0;
time = DateTime.Now;
foreach(var item in p){
x += item;
}
Console.WriteLine(DateTime.Now - time);
x = 0;
time = DateTime.Now;
for(int i = 0, j = f; i < ...
How can I compare two dates in PHP?
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Wouldn't it now be "If all your dates are posterior to the 1st of January of 1970" and "previous to 2038"? watch our for the y2k38 bug. strtotime will return false for larger dates. stackoverflow.com/questions/2012589/…
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Get time in milliseconds using C#
...0 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
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getting date format m-d-Y H:i:s.u from milliseconds
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You can readily do this this with the input format U.u.
$now = DateTime::createFromFormat('U.u', microtime(true));
echo $now->format("m-d-Y H:i:s.u");
This produces the following output:
04-13-2015 05:56:22.082300
From the PHP manual page for date formats:
U = Seconds sin...
How do you get the current time of day?
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DateTime.Now.TimeOfDay gives it to you as a TimeSpan (from midnight).
DateTime.Now.ToString("h:mm:ss tt") gives it to you as a string.
DateTime reference: https://msdn.microsoft.com/en-us/library/system.datetime
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How to change time in DateTime?
... s = ...;
TimeSpan ts = new TimeSpan(10, 30, 0);
s = s.Date + ts;
s will now be the same date, but at 10.30am.
Note that DateTime disregards daylight saving time transitions, representing "naive" Gregorian time in both directions (see Remarks section in the DateTime docs). The only exceptions are...
How to get UTC timestamp in Ruby?
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time = Time.now.getutc
Rationale: In my eyes a timestamp is exactly that: A point in time. This can be accurately represented with an object. If you need anything else, a scalar value, e.g. seconds since the Unix epoch, 100-ns interval...
How do you set a default value for a MySQL Datetime column?
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IMPORTANT EDIT:
It is now possible to achieve this with DATETIME fields since MySQL 5.6.5, take a look at the other post below...
Previous versions can't do that with DATETIME...
But you can do it with TIMESTAMP:
mysql> create table test (st...