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What does .SD stand for in data.table in R
... here are 16 visually distinct colors, taken from the list of 20 here:
# https://sashat.me/2017/01/11/list-of-20-simple-distinct-colors/
col16 = c('#e6194b', '#3cb44b', '#ffe119', '#0082c8', '#f58231', '#911eb4',
'#46f0f0', '#f032e6', '#d2f53c', '#fabebe', '#008080', '#e6beff',
...
How can I insert values into a table, using a subquery with more than one result?
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How to use continue in jQuery each() loop?
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Difference between .keystore file and .jks file
...to back this API
a keystore as opposed to a truststore, as described here: https://stackoverflow.com/a/6341566/372643
When talking about the file and storage, this is not really a storage facility for key/value pairs (there are plenty or other formats for this). Rather, it's a container to store c...
`if __name__ == '__main__'` equivalent in Ruby
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Why can I use auto on a private type?
... // Not OK
Harry::LordVoldemort im_not_scared; // OK
return 0;
}
https://ideone.com/I5q7gw
Thanks to Quentin for reminding me of the Harry loophole.
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Question mark (?) in XML attributes for Android
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how can I see what ports mongo is listening on from mongo shell?
...of other arguments that can alter ports without being explicit, see here:
https://docs.mongodb.org/manual/reference/configuration-options/#sharding.clusterRole
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Why does the JavaScript need to start with “;”?
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
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