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Make Heroku run non-master Git branch
...r
– Brian Armstrong
Oct 31 '13 at 5:32
5
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...t comment.
– Synesso
May 4 '15 at 0:32
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@EricWang Thanks, Eric, you're right - I believe that th...
Mean per group in a data.frame [duplicate]
... 22 87
Cat 2 67 43
Cat 3 45 32', header=TRUE)
aggregate(d[, 3:4], list(d$Name), mean)
Group.1 Rate1 Rate2
1 Aira 16.33333 47.00000
2 Ben 31.33333 50.33333
3 Cat 44.66667 54.00000
Here we aggregate columns 3 and 4 of data.frame d, ...
Appending to an empty DataFrame in Pandas?
... here ;)
– refuzee
Jun 30 '15 at 16:32
7
No clue why Pandas examples don't show that. Thanks for ...
Is it safe to delete an object property while iterating over them?
... apologies.
– TomW
Oct 24 '13 at 11:32
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What happens to git commits created in a detached HEAD state?
...be a good time
to do so with:
git branch new_branch_name 0b40dd65c06bb215327863c2ca10fdb4f904215b
Switched to branch 'master'
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Arrays, heap and stack and value types
...values of each of these types would require 16 bytes of memory (assuming a 32-bit word size). The field I in each case takes 4 bytes to store its value, the field S takes 4 bytes to store its reference, and the field L takes 8 bytes to store its value. So the memory for the value of both RefType a...
SQL Developer is returning only the date, not the time. How do I fix this?
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answered May 16 '15 at 12:32
Upendra GughaneUpendra Gughane
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#if Not Debug in c#?
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KhanZeeshanKhanZeeshan
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Is there a jQuery unfocus method?
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RichieHindleRichieHindle
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