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Float vs Decimal in ActiveRecord
... you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests...
Difference between \A \z and ^ $ in Ruby regular expressions
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edited Oct 4 '13 at 19:05
akhanubis
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answered Fe...
Purpose of buildscript block in Gradle
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answered Jul 21 '13 at 15:37
Peter NiederwieserPeter Niederwieser
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How do I browse an old revision of a Subversion repository through the web view?
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SebSeb
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Using Mockito's generic “any()” method
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edited Nov 23 '19 at 10:57
answered Jun 17 '15 at 8:19
Li...
Difference between await and ContinueWith
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Jon SkeetJon Skeet
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Difference between Document-based and Key/Value-based databases?
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75
The main differences are the data model and the querying capabilities.
Key-value stores
The fi...
How to convert a boolean array to an int array
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edited Sep 9 '16 at 15:43
the Tin Man
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Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
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answered Jan 5 '11 at 4:06
Andrew ArnottAndrew Arnott
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Why main does not return 0 here?
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Keith Thompson
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answered Dec 30 '11 at 8:43
cnicutarcnicutar
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