大约有 47,000 项符合查询结果(耗时:0.0342秒) [XML]

https://stackoverflow.com/ques... 

Measure and Benchmark Time for Ruby Methods

... You could use the Time object. (Time Docs) For example, start = Time.now # code to time finish = Time.now diff = finish - start diff would be in seconds, as a floating point number. EDIT: end is reserved. share ...
https://stackoverflow.com/ques... 

How to link to specific line number on github

I know I can link to a specific line number on a file on a github repo (I'm sure I've seen this before)... 7 Answers ...
https://stackoverflow.com/ques... 

Difference between freeze and seal

... FWIW, frozen and sealed objects are now faster than their unfrozen and unsealed counterparts in Chrome Canary v43.0.2317.0. – llambda Feb 28 '15 at 22:57 ...
https://stackoverflow.com/ques... 

Get current date/time in seconds

... Date.now() gives milliseconds since epoch. No need to use new. Check out the reference here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/now (Not supported in IE8.) ...
https://stackoverflow.com/ques... 

How to index into a dictionary?

...f anybody still looking at this question, the currently accepted answer is now outdated: Since Python 3.7* the dictionaries are order-preserving, that is they now behave exactly as collections.OrderedDicts used to. Unfortunately, there is still no dedicated method to index into keys() / values() of...
https://stackoverflow.com/ques... 

Formatting NSDate into particular styles for both year, month, day, and hour, minute, seconds

...r date formatters when you're done with them. The above code leaks format, now, and inFormat. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Get integer value of the current year in Java

... get the year in your system's default time zone), you could use the Year::now method: int year = Year.now().getValue(); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Get hours difference between two dates in Moment Js

...te the difference in number of days between two dates using MomentJS. var now = moment(new Date()); //todays date var end = moment("2015-12-1"); // another date var duration = moment.duration(now.diff(end)); var days = duration.asDays(); console.log(days) ...
https://stackoverflow.com/ques... 

Chrome: timeouts/interval suspended in background tabs?

I was testing the accuracy of setTimeout using this test . Now I noticed that (as expected) setTimeout is not very accurate but for most appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on ther...
https://stackoverflow.com/ques... 

What is the purpose of .PHONY in a Makefile?

...y're not associated with files, e.g.: .PHONY: clean clean: rm -rf *.o Now make clean will run as expected even if you do have a file named clean. In terms of Make, a phony target is simply a target that is always out-of-date, so whenever you ask make <phony_target>, it will run, independ...