Recent questions tagged Datetime

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datetime - Is there a standard date/time class in C++?

Does C++ stl have a standard time class? Or do I have to convert to c-string before writing to a ... that can be instantiated from time_t value See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Best way to get maximum Date value in java?

I'm writing a bit of logic that requires treating null dates as meaning forever in the future (the date ... Date implementation is being used? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - DateTimeFormatter Accepting Multiple Dates and Converting to One (java.time library)

I am trying to write a DateTimeFormatter that will allow me to take in multiple different String formats, and ... example of this online. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - R – How to join two data frames by nearest time-date?

I have 2 data sets, each containing a date-time value in POSIXlt format, and some other numeric and character variables ... -03-02 01:00:00 binI See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Reading date and time from CSV file in MATLAB

datetime, M01, M02, M03, M04, M05, M06 8/15/2009 0:00, 5.8, 7.8, 7.8, 7.3, 0, 7.9 8/15/2009 ... for column 1 and row 1. Thanks for the help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Use JavaScript to convert a date string with timezone to a date object in local time

The format of my date string looks like this: yyyy-MM-ddTHH:mm:ss-0Z00 Example 1: 2010-03-05T07:03:51-0800 ... Pentaho Data Integration 4.3.0. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Behind The Scenes: Core Data dates stored with 31 year offset?

I know, "no user-serviceable parts inside" ... but I'm curious: In a Core Data sqlite3 DB, it seems I can ... Epoch I get, but why 31 years? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Does Java 8's new Java Date Time API take care of DST?

I am thinking of using the new java 8 Date Time API. I googled a bit and found jodaTime as good choice for ... on the basis of Users TimeZone. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Python - Convert string representation of date to ISO 8601

In Python, how can I convert a string like this: Thu, 16 Dec 2010 12:14:05 +0000 to ISO 8601 format ... to use third parties libraries, though. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Working with INTERVAL and CURDATE in MySQL

I'm building a chart and I want to receive data for each month. Here's my first request which is ... Any example of using INTERVAL please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - How can I determine if iPhone is set for 12 hour or 24 hour time display?

I thought I saw something answering this on SO recently but now I can't find it. Here is the code ... release]; return using24HourClock; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - JQuery Calculate Day Difference in 2 date textboxes

I have 2 asp.net texboxes with calendar extender. I want to find out the number of days between both dates ... this using jquery or javascript? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - R: merge two irregular time series

I have two multivariate time series x and y, both covering approximately the same range in time (one starts two ... you all for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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879 views

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datetime - Get Start and End Days for a Given Week in PHP

I'm trying to get the week range using Sunday as the start date, and a reference date, say $date, but I just ... date. How would you do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - How to compare timestamp dates with date-only parameter in MySQL?

In a SQL statement, how do I compare a date saved as TIMESTAMP with a date in YYYY-MM-DD format? ... only rows having midnight timestamp. thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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934 views

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datetime - How to convert time to " time ago " in android

My server. It return time : "2016-01-24T16:00:00.000Z" I want 1 : convert to String. 2 : I want it ... load it from server. Please. Help me! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Calculate total seconds in PHP DateInterval

What is the best way to calculate the total number of seconds between two dates? So far, I've tried ... using this half-assed solution. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - What data type should be use for timestamp in DynamoDB?

I am new to DynamoDB. I wish to create a table which using DeviceID as the hash key, Timestamp as my range key ... until 31/12/2016 11:00:00pm See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - extract hours and seconds from POSIXct for plotting purposes in R

Suppose I have the following data.frame foo start.time duration 1 2012-02-06 15:47:00 1 2 2012-02-06 ... :seconds from POSIXct class of vector? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Python: Figure out local timezone

I want to compare UTC timestamps from a log file with local timestamps. When creating the local datetime object, I ... time zone. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - PHP: strtotime is returning false for a future date?

here are some debug expressions i put into eclipse, if you don't believe me: "strtotime("2110-07-16 10:07:47 ... time for a future date? thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - MongoDB - Querying between a time range of hours

I have a MongoDB datastore set up with location data stored like this: { "_id" : ObjectId("51d3e161ce87bb000792dc8d"), ... do it for every day? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Can't parse String to LocalDate (Java 8)

My input is a String representation of a date in the format "01-07-2015" for July 1, 2015. I'm trying ... anyone explain me what's going wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - How to calculate difference between two dates in weeks in python

I'm trying to calculate the difference between two dates in "weeks of year". I can get the datetime object and get ... , 2012 ends up being -35. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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903 views

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datetime - Convert Java Date to UTC String

The java.util.Date toString() method displays the date in the local time zone. There are several common scenarios where ... SSS zzz", "UTC")); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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838 views

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datetime - Calculate the number of weekdays between 2 dates in R

I'm trying to write an R function to calculate the number of weekdays between two dates. For example, Nweekdays('01 ... ! /edit 2: Thanks again! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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942 views

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datetime - MySql difference between two timestamps in days?

How can I get the difference between two timestamps in days? Should I be using a datetime column for this? I switched ... row in set (0.00 sec) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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datetime - Convert from java.util.date to JodaTime

I want to convert a java.util.Date to JodaTime so as to carry out subtractions between dates. Is there a ... to convert from Date to JodaTime? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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