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Float vs Decimal in ActiveRecord
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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, or maybe eve...
.gitignore exclude files in directory but not certain directories
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answered Apr 8 '11 at 20:55
mipadimipadi
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Xcode 6: Keyboard does not show up in simulator
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Banana
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answered Jun 30 '14 at 19:43
JoeJoe
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Search in all files in a project in Sublime Text 3
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edited Mar 7 '16 at 9:28
kenorb
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answered...
Does R have an assert statement as in python?
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edited Aug 6 '18 at 18:54
cbare
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answe...
Enter “&” symbol into a text Label in Windows Forms?
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edited Dec 8 '13 at 8:26
answered Dec 1 '10 at 14:02
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Bash script to receive and repass quoted parameters
... "$@" works with any Bourne shell or Bourne shell derivative (from 1978 onwards), including Korn and Bash. Probably 95% of the time, using "$@" is correct and $* is wrong.
– Jonathan Leffler
Jan 16 '09 at 8:03
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std::back_inserter for a std::set?
... - litbJohannes Schaub - litb
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Where can I find my Azure account name and account key?
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If you're referring to a Windows Azure Storage account, the storage account name would be the d...
GLib compile error (ffi.h), but libffi is installed
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answered Jul 8 '13 at 1:49
Eric Milliot-MartinezEric Milliot-Martinez
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