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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
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365
DateTime.strptime can handle seconds since epoch. The number must be converted to a string:
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psycopg2: insert multiple rows with one query
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Alex Riley
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answered Apr 13 '12 at 19:53
ant32ant32
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How to change the port of Tomcat from 8080 to 80?
...connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
3) Change the port=8080 value to port=80
4) Save file.
5) Stop your Tomcat and restart it.
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How to suppress specific MSBuild warning
Is there any way to disable specific MSBuild warning (e.g. MSB3253) when running MSBuild from command line? My build script calls msbuild.exe much the following way:
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How to get a list of all valid IP addresses in a local network? [closed]
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3 Answers
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Assigning a variable NaN in python without numpy
...>>> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case insensitive).
Note that checking to see if two things that are NaN are equal to one another will always return false. This is in part because two things that are "not a number" cannot (s...
Why do people say there is modulo bias when using a random number generator?
...and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()%3 does not produce the numbers between 0 and 2 with equal probability!
When rand() returns 0, 3, 6, or 9, rand()%3 == 0. Therefore, P(0) = 4/11
When rand() returns 1, 4, 7, or 10, rand()%3 == 1. Therefor...
find -exec with multiple commands
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edited May 19 '17 at 21:31
Alan W. Smith
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answe...
generate days from date range
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323
This solution uses no loops, procedures, or temp tables. The subquery generates dates for the ...
How do I see the current encoding of a file in Sublime Text?
...popular result in google search, here is the way to do it for sublime text 3 build 3059+:
in user preferences, add the line:
"show_encoding": true
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