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maximum value of int
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edited Jan 17 '12 at 9:26
Oliver Hanappi
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Float vs Decimal in ActiveRecord
...esent a 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)
=> "0.100000000000000005551115123125...
Can I get Memcached running on a Windows (x64) 64bit environment?
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How do I get a human-readable file size in bytes abbreviation using .NET?
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How to pass parameters to a partial view in ASP.NET MVC?
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edited Oct 29 '13 at 15:01
Michał Powaga
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Most common way of writing a HTML table with vertical headers?
...in a table should contain an equal number of columns (TD). Your header has 1 while the body has 3. You should use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, ...
When should I use a composite index?
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You should use a composite index when you are using queries that benefit from it. A composite ...
Data structure for loaded dice?
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You are looking for the alias method which provides a O(1) method for generating a fixed discr...
Hash Map in Python
...dictionary is a built-in type that supports key-value pairs.
streetno = {"1": "Sachin Tendulkar", "2": "Dravid", "3": "Sehwag", "4": "Laxman", "5": "Kohli"}
as well as using the dict keyword:
streetno = dict({"1": "Sachin Tendulkar", "2": "Dravid"})
or:
streetno = {}
streetno["1"] = "Sachin ...