大约有 47,000 项符合查询结果(耗时:0.0444秒) [XML]

https://stackoverflow.com/ques... 

Easily measure elapsed time

... std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now(); std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now(); std::cout << "Time difference = " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << ...
https://stackoverflow.com/ques... 

How to get current timestamp in milliseconds since 1970 just the way Java gets

...; milliseconds ms = duration_cast< milliseconds >( system_clock::now().time_since_epoch() ); share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Use of 'prototype' vs. 'this' in JavaScript?

...type is TOTALLY DIFFERENT from the __proto__ property. In our example, 'A' now has TWO properties called 'prototype' and __proto__ . This is a big confusion for people. prototype and __proto__ properties are in no way related, they're separate things pointing to separate values. You may wonder: Why...
https://stackoverflow.com/ques... 

Calculate relative time in C#

... 24 * HOUR; const int MONTH = 30 * DAY; var ts = new TimeSpan(DateTime.UtcNow.Ticks - yourDate.Ticks); double delta = Math.Abs(ts.TotalSeconds); if (delta < 1 * MINUTE) return ts.Seconds == 1 ? "one second ago" : ts.Seconds + " seconds ago"; if (delta < 2 * MINUTE) return "a minute ago"...
https://stackoverflow.com/ques... 

Installing PDO driver on MySQL Linux server

...php.ini file and it looks like pdo in enabled by default, i still need to know if i can use both pdo and mysql_*handlers... – Yuri Scarbaci Nov 14 '12 at 8:18 1 ...
https://stackoverflow.com/ques... 

“Ago” date/time functions in Ruby/Rails

... As of Rails 3 its now 10.minutes.ago instead of mins. – cbron Jan 13 '12 at 15:47 4 ...
https://stackoverflow.com/ques... 

How to generate a random string of a fixed length in Go?

...eneral solution we're improving is this: func init() { rand.Seed(time.Now().UnixNano()) } var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ") func RandStringRunes(n int) string { b := make([]rune, n) for i := range b { b[i] = letterRunes[rand.Intn(...
https://stackoverflow.com/ques... 

Creating a temporary directory in Windows?

...aged p/invoke code is worth it. Most would say it is not, but at least you now have a choice. CreateParentFolder() is left as an exercise to the student. I use Directory.CreateDirectory(). Be careful getting the parent of a directory, since it is null when at the root. ...
https://stackoverflow.com/ques... 

What is the difference between == and equals() in Java?

...dback I received felt pretty much "you are doing the totally wrong thing". Now I am simply wondering how you look at this? Do you have "generic" messages in your quiver, or do you write solely specific comments in such cases? – GhostCat Aug 20 '18 at 18:05 ...
https://stackoverflow.com/ques... 

Open Sublime Text from Terminal in macOS

...lling, etc.) OR that Sublime Text isn't installed! Check ".bash_profile": Now it's time to create your symbolic link in your PATH folder, BUT, before we do, let's check your profile file by using nano ~/.bash_profile. These are the following lines that pertain to having subl work on the command lin...