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Rails nested form with has_many :through, how to edit attributes of join model?
How do you edit the attributes of a join model when using accepts_nested_attributes_for?
3 Answers
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Run java jar file on a server as background process
I need to run a java jar in server in order to communicate between two applications. I have written two shell scripts to run it, but once I start up that script I can't shut down / terminate the process. If I press ctrl + C or close the console, the server will shut down. Could anyone help me how ...
Calling JMX MBean method from a shell script
Are there any libraries that would allow me to call a JMX MBean method from a shell script. We expose some operations/admin commands through JMX, and we could have our admins use JConsole, or VisualVM, but some tasks are better left to automation. In that automation we'd like to be able to call a JM...
Django select only rows with duplicate field values
suppose we have a model in django defined as follows:
5 Answers
5
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How to expand/collapse a diff sections in Vimdiff?
I've started using vimdiff today, and wanted to do some of the things that I've taken for granted on Windows based diff editors (like expand/collapse a diff section, have full file expansion/only diffs with 3 context lines above or below, etc.). I currently know only the following commands :
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Having a UITextField in a UITableViewCell
I'm trying to do that for a couple of days now, and after reading tons of messages of people trying to do that too, I'm still unable to have a fully working UITextField in some of my UITableViewCells , just like in this example:
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How to disable textarea resizing?
I need to disable textarea horizontal resize. Sometimes I want to allow vertical resize on the textarea.
5 Answers
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How do I use the includes method in lodash to check if an object is in the collection?
lodash lets me check for membership of basic data types with includes :
3 Answers
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Find an element in a list of tuples
I have a list 'a'
10 Answers
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Populating spinner directly in the layout xml
Is it possible to populate the options of a Spinner right in the layout xml? This page suggests I should use an ArrayAdapter? It seems awkward not being able to do it..
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