Extract year from date?

How can I remove the first elements from a variable, especially if this variable has a special characters. For examp...

R dates “origin” must be supplied?

My code: axis.Date(1,sites$date, origin="1960-10-01") Error: Error in as.Date.numeric(x) : 'origin' must be supp...

converting time from hh:mm:ss to hh:mm in java?

I want to convert time to hh:mm from hh:mm:ss it comes from database (my sql) in the form of hh:mm:ss. I tried the f...

R Merging XTS time series causing duplicate time of day?

I've never found an efficient way to solve a problem I've encountered every time I try to combine different sources ...

Transform date format in R?

I am datamining the data from a mobile application, I have a simple problem that is reccurring that is giving me tro...

How to convert “1985-02-07T00:00:00.000Z” (ISO8601) to a date value in Oracle??

I tried to convert a time-stamp ("1985-02-07T00:00:00.000Z") to a date and I failed to succeed in my several differe...

What are the “standard unambiguous date” formats for string-to-date conversion in R??

Please consider the following $ R --vanilla > as.Date("01 Jan 2000") Error in charToDate(x) : character str...

Python - Get Yesterday's date as a string in YYYY-MM-DD format?

As an input to an API request I need to get yesterday's date as a string in the format YYYY-MM-DD. I have a working ...

Java: unparseable date exception?

While trying to transform the date format I get an exception:unparseable date and don't know how to fix this problem...

Calculate age given the birth date in the format YYYYMMDD?

How can I calculate an age in years, given a birth date of format YYYYMMDD? Is it possible using the Date() function...

R/zoo: index entries in ‘order.by’ are not unique?

I have a .csv file containing 4 columns of data against a column of dates/times at one-minute intervals. Some timest...

How do I format {{$timestamp}} as MM/DD/YYYY in Postman??

In Postman, the dynamic variable {{$timestamp}} inserts the current Unix Time Stamp into a request. (Represented as ...

iOS Swift - Get the Current Local Time and Date Timestamp?

I'm trying to make an attendance app and I am really confused about date and time in iOS and Firebase. I use date a...

R Programming Error in cov.wt(z) : 'x' must contain finite values only?

I have looked for such a long time, and haven't been able to figure out how to run Principal Component Analysis in R...

How do I get last year's start and end date??

How can I get last year's start and end date using PHP code? Is it possible? ...