大约有 47,000 项符合查询结果(耗时:0.0453秒) [XML]

https://stackoverflow.com/ques... 

How to get current time with jQuery

... You may try like this: new Date($.now()); Also using Javascript you can do like this: var dt = new Date(); var time = dt.getHours() + ":" + dt.getMinutes() + ":" + dt.getSeconds(); document.write(time); ...
https://stackoverflow.com/ques... 

How to measure time taken by a function to execute

... Using performance.now(): var t0 = performance.now() doSomething() // <---- The function you're measuring time for var t1 = performance.now() console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.") NodeJs: it is re...
https://stackoverflow.com/ques... 

How to set a Django model field's default value to a function call / callable (e.g., a date relative

...datetime, timedelta class MyModel(models.Model): # default to 1 day from now my_date = models.DateTimeField(default=datetime.now() + timedelta(days=1)) This last line is not defining a function; it is invoking a function to create a field in the class. PRE Django 1.7 Django lets you pass a ...
https://stackoverflow.com/ques... 

Compare given date with today

...ole lot more convenient and lead to more maintainable code - we'd need to know more to truly make that judgement call. For the correct timezone, you can use, for example, date_default_timezone_set('America/New_York'); Click here to refer to the available PHP Timezones. ...
https://stackoverflow.com/ques... 

set DateTime to start of month

... var now = DateTime.Now; var startOfMonth = new DateTime(now.Year,now.Month,1); share | improve this answer | ...
https://stackoverflow.com/ques... 

How do I get elapsed time in milliseconds in Ruby?

...time_diff_milli(start, finish) (finish - start) * 1000.0 end t1 = Time.now # arbitrary elapsed time t2 = Time.now msecs = time_diff_milli t1, t2 You will need to decide whether to truncate that or not. share ...
https://stackoverflow.com/ques... 

How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

... seconds"; } var aDay = 24*60*60*1000; console.log(timeSince(new Date(Date.now()-aDay))); console.log(timeSince(new Date(Date.now()-aDay*2))); share | improve this answer | ...
https://stackoverflow.com/ques... 

How to add 10 days to current time in Rails

... Use Time.now + 10.days or even 10.days.from_now Both definitely work. Are you sure you're in Rails and not just Ruby? If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be load...
https://stackoverflow.com/ques... 

C# DateTime.Now precision

I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
https://stackoverflow.com/ques... 

RuntimeWarning: DateTimeField received a naive datetime

...jango.utils import timezone >>> import pytz >>> timezone.now() datetime.datetime(2013, 11, 20, 20, 8, 7, 127325, tzinfo=pytz.UTC) And here's a naive object: >>> from datetime import datetime >>> datetime.now() datetime.datetime(2013, 11, 20, 20, 9, 26, 423063) ...