大约有 47,000 项符合查询结果(耗时:0.0378秒) [XML]

https://stackoverflow.com/ques... 

How to subtract a day from a date?

...time.today() works on both Python 2 and 3. It is equivalent to DT.datetime.now(). – jfs May 21 '18 at 6:57  |  show 1 more comment ...
https://stackoverflow.com/ques... 

Set time to 00:00:00

...-hour clock. E.g., at 10:04:15.250 PM the HOUR_OF_DAY is 22. Testing ("now" is currently c. 14:55 on July 23, 2013 Pacific Daylight Time): public class Main { static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static void main(String[] args) { ...
https://stackoverflow.com/ques... 

Why use double indirection? or Why use pointers to pointers?

...t of bio-libraries (a ??lol), you can use char ******lol ... ... yes, I know these might not be the best data structures Usage example with a very very very boring lol #include <stdio.h> #include <stdlib.h> #include <string.h> int wordsinsentence(char **x) { int w = 0; ...
https://stackoverflow.com/ques... 

Can't compare naive and aware datetime.now()

...e_start) challenge.datetime_end = utc.localize(challenge.datetime_end) # now both the datetime objects are aware, and you can compare them Note: This would raise a ValueError if tzinfo is already set. If you are not sure about that, just use start_time = challenge.datetime_start.replace(tzinfo=...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Using async/await for multiple tasks

...teTime testStart) { var workerStart = DateTime.Now; Console.WriteLine("Worker {0} started on thread {1}, beginning {2} seconds after test start.", Id, Thread.CurrentThread.ManagedThreadId, (workerStart-testStart).TotalSeconds.ToString("...
https://stackoverflow.com/ques... 

How do I format a date with Dart?

... quite simple: import 'package:intl/intl.dart'; main() { final DateTime now = DateTime.now(); final DateFormat formatter = DateFormat('yyyy-MM-dd'); final String formatted = formatter.format(now); print(formatted); // something like 2013-04-20 } There are many options for formatting. From ...
https://stackoverflow.com/ques... 

Better way of getting time in milliseconds in javascript?

... Try Date.now(). The skipping is most likely due to garbage collection. Typically garbage collection can be avoided by reusing variables as much as possible, but I can't say specifically what methods you can use to reduce garbage coll...
https://stackoverflow.com/ques... 

Temporarily disable auto_now / auto_now_add

...odels.CharField(max_length=255) updated_at = models.DateTimeField(auto_now=True, auto_now_add=True) # my tests foo = FooBar.objects.get(pk=1) # force a timestamp lastweek = datetime.datetime.now() - datetime.timedelta(days=7) FooBar.objects.filter(pk=foo.pk).update(updated_at=lastweek) # do...
https://stackoverflow.com/ques... 

Create a unique number with javascript time

... if you need the readable version, you're in for a bit of processing: var now = new Date(); timestamp = now.getFullYear().toString(); // 2011 timestamp += (now.getMonth < 9 ? '0' : '') + now.getMonth().toString(); // JS months are 0-based, so +1 and pad with 0's timestamp += ((now.getDate < ...