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Regular expression for matching HH:MM time format
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Peter O.Peter O.
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Javascript - get array of dates between 2 dates
... John HartsockJohn Hartsock
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How to completely remove an issue from GitHub?
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Update Nov 2018: You now can delete your issues!
See "Github - remove issues entered in error"
At May 2018, original answer:
Three 8 years later, and closing issues remains the answer (still no deletion possible).
See "The Ghost of...
Should I use the datetime or timestamp data type in MySQL?
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1001
An important difference is that DATETIME represents a date (as found in a calendar) and a time (as can be observed on a wall clock), while ...
Convert UTC datetime string to local datetime
...o_zone = tz.tzlocal()
# utc = datetime.utcnow()
utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d %H:%M:%S')
# Tell the datetime object that it's in UTC time zone since
# datetime objects are 'naive' by default
utc = utc.replace(tzinfo=from_zone)
# Convert time zone
central = utc.astimezo...
Android: install .apk programmatically [duplicate]
...s correct now, my auto-update is working. Thanks for help. =)
Edit 20.7.2016:
After a long time, I had to use this way of updating again in another project. I encountered a number of problems with old solution. A lot of things have changed in that time, so I had to do this with a different approa...
Correctly determine if date string is a valid date in that format
...t. Originally written by Glavić.]
Test cases:
var_dump(validateDate('2013-13-01')); // false
var_dump(validateDate('20132-13-01')); // false
var_dump(validateDate('2013-11-32')); // false
var_dump(validateDate('2012-2-25')); // false
var_dump(validateDate('2013-12-01')); // true
var_dump(v...
Why are these numbers not equal?
... really thinks in decimal:
sprintf("%.54f",1.1-0.2)
#[1] "0.900000000000000133226762955018784850835800170898437500"
sprintf("%.54f",0.9)
#[1] "0.900000000000000022204460492503130808472633361816406250"
You can see these numbers are different, but the representation is a bit unwieldy. If we look a...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...otal of 8 bytes. As TIMESTAMP only stores the number of seconds since 1970-01-01, it uses 4 bytes.
You can read more about the differences between time formats in MySQL here.
In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or...
In Python, how do you convert a `datetime` object to seconds?
... non-POSIX epochs. All systems where python works use the same Epoch: 1970-01-01 00:00:00 UTC
– jfs
Jul 10 '15 at 20:24
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