How to do date/time comparison

Use the time package to work with time information in Go. Time instants can be compared using the Before, After, and Equal methods. The Sub method subtracts two instants, producing a Duration. The Add method adds a Time and a Duration, producing a Time. Play example: package main import ( “fmt” “time” ) func inTimeSpan(start, … Read more

Format datetime to YYYY-MM-DD HH:mm:ss in moment.js

const format1 = “YYYY-MM-DD HH:mm:ss” const format2 = “YYYY-MM-DD” var date1 = new Date(“2020-06-24 22:57:36”); var date2 = new Date(); dateTime1 = moment(date1).format(format1); dateTime2 = moment(date2).format(format2); document.getElementById(“demo1”).innerHTML = dateTime1; document.getElementById(“demo2″).innerHTML = dateTime2; <!DOCTYPE html> <html> <body> <p id=”demo1″></p> <p id=”demo2″></p> <script src=”https://momentjs.com/downloads/moment.js”></script> </body> </html>

Subtracting time.Duration from time in Go

In response to Thomas Browne’s comment, because lnmx’s answer only works for subtracting a date, here is a modification of his code that works for subtracting time from a time.Time type. package main import ( “fmt” “time” ) func main() { now := time.Now() fmt.Println(“now:”, now) count := 10 then := now.Add(time.Duration(-count) * time.Minute) // … Read more

What’s the standard way to work with dates and times in Scala? Should I use Java types or there are native Scala alternatives?

From Java SE 8 onwards, users are asked to migrate to java.time (JSR-310). There are efforts on creating scala libraries wrapping java.time for scala such as scala-time. If targeting lower than SE 8 use one of the below. Also see Why JSR-310 isn’t Joda-Time Awesome scala lists many of the popular Scala DateTime apis A … Read more

Best way to store date/time in mongodb

The best way is to store native JavaScript Date objects, which map onto BSON native Date objects. > db.test.insert({date: ISODate()}) > db.test.insert({date: new Date()}) > db.test.find() { “_id” : ObjectId(“…”), “date” : ISODate(“2014-02-10T10:50:42.389Z”) } { “_id” : ObjectId(“…”), “date” : ISODate(“2014-02-10T10:50:57.240Z”) } The native type supports a whole range of useful methods out of the … Read more

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