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Float vs Decimal in ActiveRecord
...Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211...
HTML File Selection Event
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answered Aug 20 '10 at 5:21
AnuragAnurag
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__init__ for unittest.TestCase
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edited Jun 27 '13 at 21:26
answered Jun 27 '13 at 21:11
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Scala underscore - ERROR: missing parameter type for expanded function
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answered Oct 2 '11 at 15:09
retronymretronym
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Maven Run Project
...d>exec-maven-plugin</artifactId>
<version>1.2.1</version>
<configuration>
<mainClass>com.example.Main</mainClass>
<arguments>
<argument>argument1</arg...
Inject errors into already validated form?
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Form._errors can be treated like a standard dictionary. It's considered good form to use the Err...
Resuming git-svn clone
...e of the git-svn process grew slowly and after about two weeks it was at 1.2 GB resident size, at which point the OS refused to let it fork.
Thing is, this was a blessing in disguise.
I was able to resume the interrupted clone with a simple "git svn fetch", and it ran much faster with the now ra...
C# List of objects, how do I get the sum of a property
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edited May 18 '17 at 10:29
Coops
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answered Dec ...