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How can I find the number of days between two Date objects in Ruby?
...t;
irb(main):007:0> b = Date.parse("12/21/2010")
=> #<Date: 4911103/2,0,2299161>
irb(main):016:0> c = b.mjd - a.mjd
=> 20
This uses a Modified Julian Day Number.
From wikipedia:
The Julian date (JD) is the interval of time in days and fractions of a day since January 1, 4...
round up to 2 decimal places in java? [duplicate]
...
( Math.round(395.0349999999 * 100 ) / 100.0. ) will become 395.03. I can see why as 395034 is nearest long that is then divided by 100. However I think generally people would expect the result as 395.04.
– Vishal Saxena
...
How do I create a MongoDB dump of my database?
...
103
You can also use gzip for taking backup of one collection and compressing the backup on the fly...
Which Boost features overlap with C++11?
... BIG role for Boost, precisely in facilitating path-wise migration from C++03 to C++11 and integrating C++11 and C++03 codebases. I'm particularly thinking of
Boost Auto (BOOST_AUTO)
Boost Utility (boost::result_of<> and related)
Boost Foreach (BOOST_FOREACH)
Don't forget: Boost Move - which...
How to convert a Binary String to a base 10 integer in Java
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edited Aug 28 '16 at 17:03
answered Jun 16 '16 at 20:03
s...
How to change the commit author for one specific commit?
...d working, unlike the linked answer.
Assume for clarity of exposition that 03f482d6 is the commit whose author we are trying to replace, and 42627abe is the commit with the new author.
Checkout the commit we are trying to modify.
git checkout 03f482d6
Make the author change.
git commit --amen...
Convert a timedelta to days, hours and minutes
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– Mohammed Shareef C
Apr 1 '19 at 8:03
11
// is used instead of / to get an integer, not a float....
Regex group capture in R with multiple capture-groups
...for [,1] ?
– nenur
Feb 25 '19 at 22:03
Not sure what you are looking for. The captured groups are columns 2 & 3. [...
How to parse/format dates with LocalDateTime? (Java 8)
... 10
Q/q quarter-of-year number/text 3; 03; Q3; 3rd quarter
Y week-based-year year 1996; 96
w week-of-week-based-year number 27
W week-of-month number 4
E day-of-we...
NSAttributedString add text alignment
... |
edited Dec 13 '14 at 1:03
Bo A
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answered Jul 23...
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