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Rails: Using build with a has_one association in rails
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361
The build method signature is different for has_one and has_many associations.
class User <...
How do you append to an already existing string?
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215
In classic sh, you have to do something like:
s=test1
s="${s}test2"
(there are lots of varia...
How do you set the text in an NSTextField?
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231
setStringValue: is the way to do it. You should make sure your outlet is being set properly. (I...
Piping buffer to external command in Vim
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132
You can use :w !cmd to write the current buffer to the stdin of an external command. From :hel...
How to solve java.lang.NoClassDefFoundError?
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231
After you compile your code, you end up with .class files for each class in your program. These ...
Download and open PDF file using Ajax
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String to LocalDate
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edited Aug 14 '18 at 12:28
Maxim Bogdanov
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answered Jan 5...
increase legend font size ggplot2
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edited Sep 4 '18 at 9:27
loki
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answer...
What exactly is Arel in Rails 3.0?
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182
What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query o...
How do we count rows using older versions of Hibernate (~2009)?
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310
For older versions of Hibernate (<5.2):
Assuming the class name is Book:
return (Number) s...