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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?

... Using Java 8 datetime API: LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS")) – rsinha Dec 14 '17 at 19:41 ...
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How would I create a UIAlertView in Swift?

...nil)) self.presentViewController(alert, animated: true, completion: nil) Now UIAlertController is a single class for creating and interacting with what we knew as UIAlertViews and UIActionSheets on iOS 8. Edit: To handle actions: alert.addAction(UIAlertAction(title: "OK", style: .Default, handle...
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Why do we check up to the square root of a prime number to determine if it is prime?

... is not a prime, it can be factored into two factors a and b: n = a * b Now a and b can't be both greater than the square root of n, since then the product a * b would be greater than sqrt(n) * sqrt(n) = n. So in any factorization of n, at least one of the factors must be smaller than the square ...
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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"...
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How can I change the version of npm using nvm?

...nce this question was first answered, as noted in a newer answer, there is now a command for this: nvm now has a command to update npm. It's nvm install-latest-npm or nvm install --latest-npm. nvm install-latest-npm: Attempt to upgrade to the latest working npm on the current node version nvm...
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How do I extend a class with c# extension methods?

... { public static DateTime Tomorrow { get { return DateTime.Now.AddDays(1); } } } Which you would use like this: DateTime tomorrow = DateTimeHelper.Tomorrow; share | improve t...
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Convert Time from one time zone to another in Rails

...the DateTime class Loading development environment (Rails 2.3.2) >> now = DateTime.now.utc => Sun, 06 Sep 2009 22:27:45 +0000 >> now.in_time_zone('Eastern Time (US & Canada)') => Sun, 06 Sep 2009 18:27:45 EDT -04:00 >> quit So for your particular example Annotation.la...
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How to ignore user's time zone and force Date() use specific time zone

...ime. Big note, UTC stands for Universal time code. The current time right now in 2 different places is the same UTC, but the output can be formatted differently. What we need here is some formatting var _date = new Date(1270544790922); // outputs > "Tue Apr 06 2010 02:06:30 GMT-0700 (PDT)", f...
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Filtering Pandas DataFrames on dates

I have a Pandas DataFrame with a 'date' column. Now I need to filter out all rows in the DataFrame that have dates outside of the next two months. Essentially, I only need to retain the rows that are within the next two months. ...
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Get first and last day of month using threeten, LocalDate

... last day of the current month, this becomes: LocalDate start = YearMonth.now().atDay(1); LocalDate end = YearMonth.now().atEndOfMonth(); share | improve this answer | fo...