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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...003:0> sprintf '%02d', 1
=> "01"
irb(main):004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros inst...
How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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A range is just that: something defined by its start and end, not by its contents. "Iterating"...
Why is there no Char.Empty like String.Empty?
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answered Sep 8 '10 at 17:45
Jon SkeetJon Skeet
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Create a string with n characters
...f a specified character? In my case, I would need to create a string with 10 spaces. My current code is:
27 Answers
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Get value from hidden field using jQuery
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answered Jun 22 '10 at 8:18
SarfrazSarfraz
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Types in MySQL: BigInt(20) vs Int(20)
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answered Jun 28 '10 at 20:20
Bill KarwinBill Karwin
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Good ways to sort a queryset? - Django
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answered Mar 9 '10 at 21:48
Alex MartelliAlex Martelli
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Finding the PHP File (at run time) where a Class was Defined
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answered Mar 10 '10 at 19:59
GordonGordon
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Cannot ping AWS EC2 instance
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RakibRakib
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