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How do I save a UIImage to a file?
...?.write(to: filePath, options: .atomic)
} catch {
// Handle the error
}
}
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How do you make a LinearLayout scrollable?
...
Here is how I did it by trial and error.
ScrollView - (the outer wrapper).
LinearLayout (child-1).
LinearLayout (child-1a).
LinearLayout (child-1b).
Since ScrollView can have only one child, that child is a linear layout. Then all t...
Can Rails Routing Helpers (i.e. mymodel_path(model)) be Used in Models?
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I get NoMethodError (undefined method `optimize_routes_generation?' for #<ActionView::Base:0x007fe8c0eecbd0>) when I try this
– moger777
Jan 23 '15 at 15:31
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Add context path to Spring Boot application
...erCustomizer implementation to your configuration (for instance to add the error pages).
Basically the properties inside the application.properties serve as a default you can always override them by using another application.properties next to the artifact you deliver or by adding JVM parameters (-...
Java Serializable Object to Byte Array
...usly, it's much more easy to understand this one-liner and reduce possible errors (like not closing the stream at right time and whatnot).
– ALOToverflow
Dec 12 '13 at 22:08
2
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Comment Inheritance for C# (actually any language)
...lass Z". xD Also you coudn't browse the code, so it went down to trial&error. Never again! :-)
– itmuckel
Jul 19 '16 at 10:49
15
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rails 3 validation on uniqueness on multiple attributes
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You probably want to add a custom error msg like , :message => ' is taken for this recorded date'
– laffuste
May 15 '14 at 9:01
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Repeatedly run a shell command until it fails?
...unction then this works:
while true; do
curl -s "https:..." | grep "HasErrors.:true"
if [[ "$?" -ne 0 ]]; then
break
fi
sleep 120
done
The HTTP request in this case always returns 200 but also returns some JSON which has an attribute "HasErrors":true when there is an error.
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Difference between wait and sleep
...t for PID 1 (init) and PID 2 ([migration/0] on my Linux), but you will get error message, like: -bash: wait: pid 1 is not a child of this shell and returns the exit code 127.
– TrueY
Nov 19 '14 at 8:54
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How to define a List bean in Spring?
...ould do this with the util:list but couldn't get it work due to conversion errors.
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