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How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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How can I change UIButton title color?
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buttonName.setTitleColor(UIColor.blackColor(), forState: .Normal)
Swift 3
buttonName.setTitleColor(UIColor.white, for: .normal)
Thanks to richardchildan
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Log to the base 2 in python
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233
It's good to know that
but also know that
math.log takes an optional second argument which a...
Ways to save enums in database
...me :
public enum Suit {
Unknown = 4,
Heart = 1,
Club = 3,
Diamond = 2,
Spade = 0 }
in order to maintain the legacy numerical values stored in the database.
How to sort them in the database
The question comes up: lets say i wanted to order the values. Some people m...
How can I check if a single character appears in a string?
... Ömer Erden
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answered Feb 3 '09 at 5:40
mP.mP.
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Way to get number of digits in an int?
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30 Answers
30
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How to split a delimited string into an array in awk?
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Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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Lars KotthoffLars Kotthoff
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How to input a regex in string.replace?
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edited Apr 14 '11 at 15:33
answered Apr 14 '11 at 4:12
ri...