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difference between collection route and member route in ruby on rails?
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413
A member route will require an ID, because it acts on a member. A collection route doesn't beca...
Does MySQL foreign_key_checks affect the entire database?
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edited Oct 9 '18 at 15:54
Giacomo1968
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How can I insert values into a table, using a subquery with more than one result?
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150
You want:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article w...
How do I save and restore multiple variables in python?
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175
If you need to save multiple objects, you can simply put them in a single list, or tuple, for ...
What are the differences between vector and list data types in R?
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edited Jan 29 at 17:20
answered Dec 21 '11 at 19:18
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How do I Convert DateTime.now to UTC in Ruby?
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156
d = DateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Ruby (and of course ...
Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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OpenShift rhc setup using multiple accounts
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181
rhc command line tools come with the global option "-l, --rhlogin LOGIN". You have two options...
Java ArrayList replace at specific index
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edited May 15 '18 at 17:48
answered Sep 17 '11 at 5:58
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Best approach to converting Boolean object to string in java
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145
I don't think there would be any significant performance difference between them, but I would ...