time

Dealing with timestamps in R

I have multiple lists of measurements. In each list have the timestramp formated as a string ("2009-12-24 21:00:07.0") and I know that each measurement in the list is separated by 5 seconds. I want to combine all data into a huge data.frame in R. Afterwards I want to be able to easily access the time difference of two measurements so I p...

Wrong Time with System.currentTimeMillis () (Java)

Hi, I made a little program to test the System.currentTimeMillis (). And I have a strange result. This is my logs : 1 26-12-09 20:48:21 - [Log] lTime = 1261860501009 2 26-12-09 20:48:21 - [Log] lTime = 1261860501012 3 26-12-09 20:48:21 - [Log] lTime = 1261864899078 4 26-12-09 20:48:21 - [Log] lTime = 1261860501033 5 26-1...

Calculate time between time-1 to time-2?

enter time-1 // eg 01:12 enter time-2 // eg 18:59 calculate: time-1 to time-2 / 12 // i.e time between 01:12 to 18:59 divided by 12 How can it be done in Python. I'm a beginner so I really have no clue where to start. Edited to add: I don't want a timer. Both time-1 and time-2 are entered by the user manually. Thanks in advance fo...

Measure time of a function with arguments in Python

I am trying to measure the time of raw_queries(...), unsuccessfully so far. I found that I should use the timeit module. The problem is that I can't (= I don't know how) pass the arguments to the function from the environment. Important note: Before calling raw_queries, we have to execute phase2() (environment initialization). Side not...

excel time serial back to text

I have a time field of this format HH:MM:SS in many excel cells (when i import in as a csv). i would like to Attached the date field from another worksheet in and when I tried to concatenate =U10&" "&V10, let's said U10 is 22-Dec V10 is 18:14:01 will become 40169 0.759733796296296 so how can i convert a number like 0.7597337962962...

What is the least number of bytes for representing date and time?

I need to transfer the current operating system's date and time up to micro-seconds accuracy from party A to party B over TCP/IP. What is the least number of bytes that can be used to represent this without sacrificing accuracy? And how to convert the date and time to your bytes format using C#? ...

Given a time, how can I find the time one month ago.

Given a time, how can I find the time one month ago. ...

PHP script to execute at certain times

Is there a simple way to have a php script execute some html at a certain times of the day? For example i have on my home page a header and at certain times i want to be able to add something right under the header, in this case a iframe. I know everyone mentioned cron jobs but how would this work with that? also is there an alternativ...

Wrong Time in Rails Created_at

Seems that when i create an object, the time is not correct. You can see by the script/console output below. Has anyone encountered anything like this, or have any debugging tips? >> Ticket.create(...) => #<Ticket id: 7, from_email: "[email protected]", ticket_collaterals: nil, to_email: "[email protected]", body: "hello", subject: "tes...

php 12 hr format to 24hr format time converting.

I have a string like "6:15pm". Is there any function in PHP which will convert it directly to 24 hr format. ie to "18:15"? ...

Best method for PHP Timezones

Question 1) Assuming a user has a timezone setting saved as 'America/New_York' in my application, would I just use this on a page where I need to show the correct time with timezone offset and daylight savings applied <?php $time_zone = 'America/New_York'; date_default_timezone_set($time_zone); echo date('D,F j, Y, h:i:s A'); ?> OR s...

Drupal Computed Field - Calculating Time

I am using a popular module called "Computed Field" in Drupal. I have used this field to make on the fly computations for several quote systems. I'm trying to use it to calculate the difference in time for a timesheet type of application. So a user enter in two times into CCK date fields (using PHP custom input g:i - ie 10:20 - year adde...

Should I use a timestamp field in mysql for timezones or other?

MY previous site used DATETIME fileds in MySQL to store all dates/times. On my new site I am adding in timezone capability so I am wanting to store all submitted times at UTC timestamp, I am a little confused now though after reading another post on SO, I read that the timestamp is updated everytime you update the record, if that is the...

cmd: unexpected error with @pause and path>txt

Hello, I am coding a batch file. Here is a sample: if exist rootsys.txt del rootsys.txt if %lang%==1 ( if %bit%==32 echo C:\Program Files\path\to\the dir>rootsys.txt if %bit%==64 echo C:\Program Files(x86)\path\to\the dir>rootsys.txt goto :waset ) This goes on for six times (so if %lang%==2 etc... to if %lang%==6.) So, what it does,...

Adding elapsed time in Cocoa

In Cocoa, how would I add times for example: 1:30 (one hour and 30 minutes) 1:25 (one hour and 25 minutes) 2:15 (two hour and 15 minutes) = 5:10 but when I get to greater then 24 hours I do not want it to go, one day x hours and y mins, I want it to continue adding the hours e.g. 25, 26, 27 ... 100 hours etc. Is there already an imple...

In java, what time is the start of the day?

What time is the start of a day, say 01/01/2010? Is it 00:00:00:000 ? or is that midnight? [edit] It might be a stupid question but I'm confused because I used Calendar.set(Calendar.HOUR, 0) but this gives me a time of 12:00:00. and now I've realised I should be using HOUR_OF_DAY ...

NOW() function in PHP

Hello, Is there any PHP function that returns time format as the MySQL fuction NOW() I know how to do it using date() .. but I am asking if there is a function only for this. e.g. "2009-12-01 00:00:00" ...

sql loader through C#

I am using a sql loader statement and have the Time_Stamp column t be updated in the database. I am using Time_Stamp EXPRESSION "current_timestamp(3)" in the sql loader command but im doin this through C# program. All the other fields are loaded in a csv from where they get loaded. But what do i write in the csv for Time_stamp colu...

regex hour:minute (hour > 24)

I would like to validate and extract the hours and minutes from a string using Regex in .NET. Just to recuperate the two numbers, separated(or not) by :. Accepted format h:m or m. Unaccepted :m, h:. EDIT: This is to note, that the number of hours could overflow the 23 till... 32. The overflow for hours(over 32) and minutes(over 59) I w...

Problem with value feteched from params[] in rails

Im making a calendar to display some entries and it needs to select the month and year, i use this in the controller to achive that: def index @month=params[:month].to_i || Time.now.month @year=params[:year].to_i || Time.now.year @months=[nil, "January", "February", "March", "April", "May", "June", "July", "August", "Sept...