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Python function attributes - uses and abuses [closed]
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154
I typically use function attributes as storage for annotations. Suppose I want to write, in th...
Postgresql aggregate array
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163
Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as mark...
String replacement in java, similar to a velocity template
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143
Use StringSubstitutor from Apache Commons Text.
https://commons.apache.org/proper/commons-tex...
Is there a function in python to split a word into a list? [duplicate]
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Greg HewgillGreg Hewgill
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How to prevent scrollbar from repositioning web page?
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19 Answers
19
Active
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invalid byte sequence for encoding “UTF8”
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112
If you need to store UTF8 data in your database, you need a database that accepts UTF8. You ca...
How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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