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How do I create a class instance from a string name in ruby?
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In rails you can just do:
clazz = 'ExampleClass'.constantize
In pure ruby:
clazz = Object....
How to run `rails generate scaffold` when the model already exists?
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answered Dec 2 '10 at 9:41
Lee JarvisLee Jarvis
14.7k22 gold badges3232 silver badges3838 bronze badges
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Android: how to check if a View inside of ScrollView is visible?
...his methods?
– Tooto
Mar 5 '14 at 6:24
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@Qberticus How to call the methods ? I am using it and i...
The requested operation cannot be performed on a file with a user-mapped section open
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28 Answers
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How to get start and end of day in Javascript?
How to get start ( 00:00:00 ) and end ( 23:59:59 ) of today in timestamp ( GMT )? Computer use a local time.
7 Answers
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Difference between Service, Async Task & Thread?
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Sreekanth Karumanaghat
3,12955 gold badges3333 silver badges6565 bronze badges
answered Jul 16 '10 at 11:44
Pentium10Pentium10
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MySQL/SQL: Group by date only on a Datetime column
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Cast the datetime to a date, then GROUP BY using this syntax:
SELECT SUM(foo), DATE(mydate) F...
Interview questions: WPF Developer [closed]
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What should I set JAVA_HOME environment variable on macOS X 10.6?
...arlier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running:
export JAVA_HOME=$(/usr/libexec/java_home -v 1.5)
For those of you who don't have java_home in your path add it like this.
sudo ln -s /System/...