datetime

test if keyboard inputed string has valid date and format

I am having problems trying to write the correct code to test whether a string from the keyboard contains a valid date with the correct amount of months, days for each particular month and format mm/dd/yyyy with adjustments for leap years here is what Ive done so far I dont think I am even close but any help would be greatly appreciated...

Quickly getting to YYYY-mm-dd HH:MM:SS in Perl

When writing Perl scripts I frequently find the need to obtain the current time represented as a string formatted as YYYY-mm-dd HH:MM:SS (say 2009-11-29 14:28:29). In doing this I find myself taking this quite cumbersome path: man perlfunc /localtime to search for localtime - repeat five times (/ + \n) to reach the relevant section of...

datetime vs smalldatetime

If I don't care about less than seconds, what should be the recommended type to store my datetime values in sql-server 2005, is it datetime or smalldatetime or else? ...

SQL Server: How to order by date, if the date is < GetDate()

Hi, Here's an interesting one... hope I can explain it well... I have a collection of competitions in a single table in my SQL Server DB. I'm doing a full text search over them, which works fine. However, some of the competitions are closed, and I want these closed comps to show up after the open comps, while still respecting the rank ...

Timing in JavaScript

I am speed testing some JavaScript programs by creating a Date object, and using it to get the time in milliseconds before and after the real work of the function. I made the body a simple adding for loop, and then the end is subtracting the old ms from the new ms and printing that. However, everything finishes in 0 milliseconds... which...

Test a file date with bash

Dear all, I am trying to test how old ago a file was created (in secondes) with bash in a "if" statement. I need creation date, not modification. Do you have any idea how to do this, without using a command like "find" with grep ? ...

How can I format DateTime to web UTC format?

Hi, I have a DateTime which I want to format to "2009-09-01T00:00:00.000Z", but the following code gives me "2009-09-01T00:00:00.000+01:00" (both lines): Console.Out.WriteLine(new DateTime(2009, 9, 1, 0, 0, 0, 0, DateTimeKind.Utc).ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffzzz")); Console.Out.WriteLine(new DateTime(2009, 9, 1, 0, 0, ...

Parsing dates from free-text input in Python

I'm about to start working on a simple calendar app for a website I'm working on (using Django, but that fact's probably not relevant). I'd like users to be able to enter when an event is in a text box like this: Every Sunday evening at 7pm Next Friday Tuesday 1st Dec 2009 and have my application begin to make some guesses as to whe...

Help with SQL to get Hits per day for today and 1 month prior...

I have this SQL now: CREATE PROCEDURE dbo.sel_Track_HitsLast30Days( @projectID int ) AS BEGIN DECLARE @FirstDay smalldatetime, @NumberOfMonths int, @priorMonth smalldatetime set @priorMonth = (SELECT CAST( ( STR( YEAR( dateadd(m,-1, getDate()) ) ) + '/' + STR( MONTH( dateadd(m,-1, getDate()) ) ) + '/' + STR( DAY( dateadd(m,-1, getDate(...

How to print "fuzzy" time/date delta in python?

Possible Duplicate: Natural/Relative days in Python Does anyone know where to find a python module that can print a time tuple in format "5 seconds ago", "2 hours ago", "Yesterday", "3 weeks ago" etc? ...

References for implementing calendar functionality in an embedded system?

I have an embedded system that currently keeps track of seconds until an event is supposed to occur using a real-time clock driven by a watch crystal. Now it needs to keep track of the actual date and time. So, I need to be able to calculate the day, month, year, hour, minute and second from a start date/time and offset in seconds. C...

How to store timezone in SQL Server 2005

I am building a web application where users can enter events, including event title start date/time description The users would like to enter the start date/time including a timezone that corresponds with the location of the event. The events are worldwide so the timezone can change from event to event. In the SQL Server backend dat...

PHP Converting a date to a timestamp

How do I convert "9/7/2009" into a timestamp, such as one from time()? Do I use strtotime()? ...

Is there a MySQL setting to ignore "time" portion of datetime constant when applied to "DATE" column?

Disclaimer: this is needed for an old and ugly codebase that I'd much rather not touch. There is a table in the database that has a column (among many others) of DATE type. There is a query (auto generated by Torque criteria - don't ask) with java.util.Date parameter; Torque formats it as full datetime. So, the query MySQL is get...

Why is parsing "%Y-%m" using strptime in R giving an NA result, but "%Y-%m-%d" works?

I'm getting a result I don't understand in R. If I use strptime with a year and day formatted %Y-%m (like "2009-12"), I get an NA result. But if I add a day, like "2009-12-01", and change the format string accordingly, I do get a result. Example: > strptime("2009-12",format="%Y-%m") [1] NA > strptime("2009-12-03",format="%Y-%m-%d") [1]...

Date conditions using Search logic

The Rails plugin - Searchlogic, from binary logic - offers the ability to filter by date. I have my form set up like so... <% form_for @search do |f| %> <%= f.label :start %> <%= f.select :due_at_after, [[['','']],['November', '2009-11-01'.to_date],['December', '2009-12-01'.to_date]] %><br> <%= f.label :end %> <%= f.select :du...

Read datetime back from sqlite as a datetime in Python

I'm using the sqlite3 module in Python 2.6.4 to store a datetime in a SQLite database. Inserting it is very easy, because sqlite automatically converts the date to a string. The problem is, when reading it it comes back as a string, but I need to reconstruct the original datetime object. How do I do this? ...

PHP - next day 6pm

<?php $start_date = "12/10/2009 11:30"; echo "<br>start_date: $start_date<br>"; $due_date1 = date("m/d/Y H:i", strtotime("+1 day".$start_date)); $due_date2 = date("m/d/Y H:i", strtotime("+2 day 6pm".$start_date)); echo "<br>due_date1: $due_date1<br>"; echo "<br>due_date2: $due_date2<br>"; ?> See my code , I'm trying to get two dat...

How can I format a nullable DateTime with ToString()?

How can I convert the nullable DateTime dt2 to a formatted string? DateTime dt = DateTime.Now; Console.WriteLine(dt.ToString("yyyy-MM-dd hh:mm:ss")); //works DateTime? dt2 = DateTime.Now; Console.WriteLine(dt2.ToString("yyyy-MM-dd hh:mm:ss")); //gives following error: no overload to method ToString takes one argument ...

Converting a string formatted YYYYMMDDHHMMSS into a JavaScript Date object.

Hello, I have a string with a date in it formatted like so: YYYYMMDDHHMMSS. I was wondering how I would convert it into a JavaScript Date object with JavaScript. Thanks in advance! ...