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The simplest possible JavaScript countdown timer? [closed]
...cated:
function startTimer(duration, display) {
var start = Date.now(),
diff,
minutes,
seconds;
function timer() {
// get the number of seconds that have elapsed since
// startTimer() was called
diff = duration - (((Date.now() - s...
MySQL Query to select data from last week?
...above will be like that: SELECT id FROM tbl WHERE DATE > DATE_SUB(DATE(NOW()), INTERVAL DAYOFWEEK(NOW())+6 DAY) AND DATE <= DATE_SUB(DATE(NOW()), INTERVAL DAYOFWEEK(NOW())-1 DAY)
– Xman Classical
Feb 1 '16 at 2:41
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C# List of objects, how do I get the sum of a property
...
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 do you get the current time of day?
...
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 get UTC timestamp in Ruby?
...
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 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...
Get the time difference between two datetimes
I know I can do anything and some more envolving Dates with momentjs. But embarrassingly, I'm having a hard time trying to do something that seems simple: geting the difference between 2 times.
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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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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...
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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