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Find the extension of a filename in Ruby
...cepted_formats.include? File.extname("example.pdf")
=> true
irb(main):005:0> accepted_formats.include? File.extname("example.txt")
=> true
irb(main):006:0> accepted_formats.include? File.extname("example.png")
=> false
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Assigning default value while creating migration file
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NSDictionary - Need to check whether dictionary contains key-value pair or not
... at all?
– jbx72487
Feb 1 '13 at 18:51
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@jbx72487 Dictionaries must contain objects; objectForK...
Linux: is there a read or recv from socket with timeout?
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How do I find a list of Homebrew's installable packages?
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answered Feb 16 '12 at 11:15
Shaun McDonaldShaun McDonald
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How do Google+ +1 widgets break out of their iframe?
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edited Mar 17 '17 at 10:45
Community♦
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answered Sep 5 '11 at 23:03
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How set the default repository
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moswaldmoswald
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How to manually deprecate members
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edited Jan 2 '19 at 20:55
answered Aug 20 '14 at 13:40
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What does [STAThread] do?
I am learning C# 3.5 and I want to know what [STAThread] does in our programs?
3 Answers
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Object initialization syntax
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answered Dec 16 '08 at 16:54
Christian C. SalvadóChristian C. Salvadó
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