date

问题 This question already has answers here : SimpleDateFormat producing wrong date time when parsing “YYYY-MM-dd HH:mm” (5 answers) how to parse 'following string '20190911T14:37:08.7770400' into date format (3 answers) Unable to parse date Apr 15, 2020 12:14:17 AM to LocalDatetime (2 answers) Closed 4 months ago . I am attempting to parse date using SimpleDateFormat. The date is parsed successfully but the output date format is incorrect or deducted by a year, The Date method that uses

问题 I am learning MySQL and I have a question. I have this following assignment and it's pretty new to me, but logically it's easy. I have the following table: id article_id quantity date_sold price 1 1 2 2014-05-05 200 2 2 4 2014-05-12 800 3 3 5 2014-05-02 35 4 4 10 2014-05-18 60 5 5 20 2014-05-23 20 6 6 2 2014-05-20 26 7 7 1 2014-05-14 10 8 8 2 2014-05-12 30 9 9 6 2014-05-11 12 10 10 2 2014-05-08 6 And the question sounds like this "Determine the article not sold in a given period. The result

问题 I want dates like current week dates from Monday to Wednesday and last week dates from last week Monday to last week Wednesday I have tried this code function last_to_last_week_date(){ $previous_week = strtotime("-2 week +1 day"); $start_week = strtotime("last monday",$previous_week); $end_week = strtotime("next sunday",$start_week); $start_week = date("Y-m-d",$start_week); $end_week = date("Y-m-d",$end_week); return $start_week.' '.$end_week ; } function last_week_date(){ $previous_week =

问题 I want dates like current week dates from Monday to Wednesday and last week dates from last week Monday to last week Wednesday I have tried this code function last_to_last_week_date(){ $previous_week = strtotime("-2 week +1 day"); $start_week = strtotime("last monday",$previous_week); $end_week = strtotime("next sunday",$start_week); $start_week = date("Y-m-d",$start_week); $end_week = date("Y-m-d",$end_week); return $start_week.' '.$end_week ; } function last_week_date(){ $previous_week =

问题 I am working on two tables as follows: A first table df1 giving a rate and a validity period: rates = {'rate': [ 0.974, 0.966, 0.996, 0.998, 0.994, 1.006, 1.042, 1.072, 0.954], 'Valid from': ['31/12/2018','15/01/2019','01/02/2019','01/03/2019','01/04/2019','15/04/2019','01/05/2019','01/06/2019','30/06/2019'], 'Valid to': ['14/01/2019','31/01/2019','28/02/2019','31/03/2019','14/04/2019','30/04/2019','31/05/2019','29/06/2019','31/07/2019']} df1 = pd.DataFrame(rates) df['Valid to'] = pd.to

问题 I want to plot a time series with missing dates and values. Here is an example: library(lubridate) date_list = seq(ymd('1990-05-01'),ymd('2000-09-30'),by='day') date_list = date_list[which(month(date_list) %in% c(5:9))] value_list1 = sample(1:40, 1683, replace=TRUE) value_list2 = sample(1:40, 1683, replace=TRUE) testsample = data.frame(Date = date_list, Value1 = value_list1, Value2 = value_list2) library(ggplot2) ggplot(data = testsample, aes(x = Date)) + geom_line(aes(y = Value1), color =

问题 I'm trying to write something that will take in a string with the below format in UTC time and format it to the local time zone grabbed from the phone. However, despite looking at SimpleDateFormat documentation, I'm running across the error that my sample string is unparseable: W/System.err﹕ java.text.ParseException: Unparseable date: "2014-07-16T21:00:00:000+0000" (at offset 19) W/System.err﹕ at java.text.DateFormat.parse(DateFormat.java:555) [...] D/Set time:﹕ Wed Jul 16 15:10:03 PDT 2014 D

问题 I'm trying to write something that will take in a string with the below format in UTC time and format it to the local time zone grabbed from the phone. However, despite looking at SimpleDateFormat documentation, I'm running across the error that my sample string is unparseable: W/System.err﹕ java.text.ParseException: Unparseable date: "2014-07-16T21:00:00:000+0000" (at offset 19) W/System.err﹕ at java.text.DateFormat.parse(DateFormat.java:555) [...] D/Set time:﹕ Wed Jul 16 15:10:03 PDT 2014 D

问题 I'm trying to write something that will take in a string with the below format in UTC time and format it to the local time zone grabbed from the phone. However, despite looking at SimpleDateFormat documentation, I'm running across the error that my sample string is unparseable: W/System.err﹕ java.text.ParseException: Unparseable date: "2014-07-16T21:00:00:000+0000" (at offset 19) W/System.err﹕ at java.text.DateFormat.parse(DateFormat.java:555) [...] D/Set time:﹕ Wed Jul 16 15:10:03 PDT 2014 D

问题 String sDate = "06.08.2020" // 06 day 08 month 2020 is year This is the date i have in my txt file. I use them in JTable. To sort the table i convert them to date with this DateFormatter. DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy"); And it does convert the string to date as this. LocalDate date = LocalDate.parse(sDate,formatter); //The date : Thu Aug 06 00:00:00 TRT 2020 Now i need to convert it like the first date 06.08.2020 . But i can't use date as input.