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Ignoring time zones altogether in Rails and PostgreSQL
... 2440588 /* == date2j(1970, 1, 1) */
#define POSTGRES_EPOCH_JDATE 2451545 /* == date2j(2000, 1, 1) */
The microsecond resolution translates to a maximum of 6 fractional digits for seconds.
timestamp
A value typed as timestamp tells Postgres that no time zone is provided explicitly. The curr...
How can I calculate the difference between two dates?
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dreamlaxdreamlax
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Psql list all tables
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nikkypxnikkypx
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add a comment
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Use of ~ (tilde) in R programming Language
...e=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4.56087 25.7005 4.56087C23.1369 4.56087 21...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
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153
I think when the type is very well-known amongst the co-programmers who work (or would work) i...
Is there a printf converter to print in binary format?
...argument
– user719662
May 27 '16 at 15:20
3
Posted an expanded version of this macro with 16, 32,...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
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edited Feb 10 at 1:15
Zhwt
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answered Jun 21 '18 at 19:48
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Check for installed packages before running install.packages() [duplicate]
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155
try: require("xtable") or "xtable" %in% rownames(installed.packages())
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increment date by one month
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It didn't work with this string: "2014-06-19 15:00:19"
– Meetai.com
Jun 22 '14 at 2:53
1
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Which Boost features overlap with C++11?
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answered Jan 13 '12 at 15:05
sehesehe
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