A period of time is an interval, a span of time. You can also use it for questions related to the actual punctuation mark.
Questions tagged [period]
508 questions
1
vote
1 answer
Pendulum. Period instance. How to get hours from it
No matter what I put after the period a get 0. Why?
import pendulum
home = 'Europe/Berlin'
away = 'America/New_york'
a = pendulum.now(home)
b = pendulum.now(away)
print(a)
print(b)
dif = b.diff(a)
print (dif)
di = dif.in_hours()
print (di)
d =…

ogeretal
- 509
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0 answers
Can I use a datepicker variable in Calculation?
Using a datetime picker and get time in Milli using it get period fro two date pickers.
I have two DatePickers based on user input data is stored in Calendar variable to display in a textview.
LocalDate today = firstdate;
LocalDate secondDate =…

Fathead
- 11
- 5
1
vote
1 answer
Find uncovered periods without exploding each combination
I have the following two tables
People
+--------+---------------+-------------+
| Name | ContractStart | ContractEnd |
+--------+---------------+-------------+
| Kate | 20180101 | 20181231 |
| Sawyer | 20180101 | 20181231 |
| Ben…

Nicolaesse
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4 answers
Java: Why java.LocalDate format giving 0 days between 2018-10-25 to 2019-10-25?
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.Period;
import java.time.format.DateTimeFormatter;
import java.util.Date;
public class DateChal {
public static void main(String[] args) {
// TODO…

SUVAM ROY
- 103
- 1
- 10
1
vote
1 answer
R split a time interval to multiple periods
Is there a way to split a time interval, say "2018-01-01" to "2019-01-01", to multiple periods/dates?
if breaks = "1 month" then it's c("2018-01-01","2018-02-01", ... )
if breaks = "1 quarter" then it's c("2018-01-01","2018-04-01", ... )
if breaks =…

LeGeniusII
- 900
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4 answers
How get a data without polling?
This is more of a theorical question.
Well, imagine that I have two programas that work simultaneously, the main one only do something when he receives a flag marked with true from a secondary program. So, this main program has a function that will…

Pedro Vieira
- 2,266
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1
vote
2 answers
Why does java.time.Period have no constructor?
Instead, Period.of(int, int, int) must be used, or another static method in the same vein.
What's the reasoning behind this?

650aa6a2
- 172
- 11
1
vote
2 answers
RewriteRule .? only for one or more chars?
On the net I found several ways of defining a RewriteRule like:
RewriteRule .? 404.php [L]
RewriteRule . 404.php [L]
RewriteRule ^ 404.php [L]
But why would these work when entering a garbage url? Because the first (.?) means that there should be…

matthijs_NL
- 11
- 2
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vote
1 answer
PHP Function To Convert Seconds Into Years, Months, Days, Hours, Minutes And Seconds
I don't reall have much knowledge about this but I needed a function that converted secs into y,m,d,h
function convertSecToTime($sec)
{
$date1 = new DateTime("@0");
$date2 = new DateTime("@$sec");
$interval = date_diff($date1, $date2);
…

Intel Fierce
- 11
- 2
1
vote
1 answer
Date periods based on first occurence
I have a pandas data frame of orders:
OrderID OrderDate Value CustomerID
1 2017-11-01 12.56 23
2 2017-11-06 1.56 23
3 2017-11-08 2.67 23
4 2017-11-12 5.67 99
5 2017-11-13 7.88 23
6 …

czyzyk14
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- 5
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vote
0 answers
Branch coverage using Jacoco
I have a problem in hitting the yearsToSubtract == Long.MIN_VALUE branch when the value of yearsToSubtract is Long.MIN_VALUE.
public Period minusYears(long yearsToSubtract) {
return (yearsToSubtract == Long.MIN_VALUE…

Adithya
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3 answers
Java Time period in decimal number of years
If I calculate the difference between 2 LocalDate's in java.time using:
Period p = Period.between(testDate, today);
Then I get an output with the number of years, months, days like:
Days = 9
Months = 6
Years = 18
Does anyone know a clean way to…

Luke
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1
vote
1 answer
How to use Pandas.DataFrame query method for index of datetime or period type?
Pandas has a fast query method that works very well but I could not use it to work with period indexes?
It works with datetime index but not with Period index!

Ali Khosro
- 1,580
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vote
1 answer
Why do I get wrong dates after the second year when use aggregate?
I'm trying to group my data according to 8-day periods, I found a code that works pretty well for the first year, but then the second one doesn't work well. I'm stuck with this problem.
df$date<-as.Date(df$date)
z <-aggregate(df$variable,
…

MSS
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vote
1 answer
postgresql: splitting time period at event
I have a table of country-periods. In some cases, certain country attributes (e.g. the capital) changes on a date within a time period. Here I would like to split the country-period into two new periods, one before and one after this change.…

guyus
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