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How to check if a Unix .tar.gz file is a valid file without uncompressing?
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answered Jan 4 '10 at 19:51
Rob WellsRob Wells
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Base64 encoding in SQL Server 2005 T-SQL
I'd like to write a T-SQL query where I encode a string as a Base64 string. Surprisingly, I can't find any native T-SQL functions for doing Base64 encoding. Does a native function exist? If not, what's the best way to do Base64 encoding in T-SQL?
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What is the difference between t.belongs_to and t.references in rails?
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answered Oct 17 '11 at 14:34
muffinistamuffinista
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How to check that an object is empty in PHP?
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edited Apr 5 at 1:24
answered Feb 23 '12 at 11:39
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Significance of -pthread flag when compiling
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edited Dec 7 '12 at 4:10
answered Jan 24 '10 at 16:37
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Scala downwards or decreasing for loop?
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res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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Is it valid to have a html form inside another html form?
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14 Answers
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Test if string is a number in Ruby on Rails
...t(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? as...
How to print a string in fixed width?
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edited Jun 4 at 20:05
phoenix
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String.Empty versus “” [duplicate]
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answered May 25 '10 at 14:06
Michael Myers♦Michael Myers
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