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How do I pick randomly from an array?
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1140
Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ruby ...
Print text instead of value from C enum
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101
Enumerations in C are numbers that have convenient names inside your code. They are not strings...
Repeat Character N Times
...ess you need to support older browsers, you can simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") // create string with 10 a's: "aaaaaaaaaa"
(Note that an array of length 11 gets you only 10 "a"s, since Array.join puts the argument between the array elements.)
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Why is there no Char.Empty like String.Empty?
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20 Answers
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Rails update_attributes without save?
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602
I believe what you are looking for is assign_attributes.
It's basically the same as update_att...
What is the difference between parseInt() and Number()?
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10 Answers
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...eb application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 .
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Abort makefile if variable not set
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edited Feb 15 '19 at 11:04
answered Jun 1 '12 at 22:57
El...
Using Python String Formatting with Lists
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edited Sep 27 '11 at 12:03
answered Sep 27 '11 at 11:53
i...
Referring to the null object in Python
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1670
In Python, the 'null' object is the singleton None.
The best way to check things for "Noneness"...