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Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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How to format all Java files in an Eclipse project at one time?
I have an old Eclipse project and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
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test a file upload using rspec - rails
I want to test a file upload in rails, but am not sure how to do this.
6 Answers
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Does Git Add have a verbose switch
I am in the process of moving all my private an public repo's over to github. One of the decisions I have made is to only use the console as it means a smaller tooling footprint if I ever need to change PCs, etc.
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
I'm trying to manually execute SQL commands so I can access procedures in NuoDB.
4 Answers
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How do you use https / SSL on localhost?
I would like to know how to setup SSL on my web application on the localhost.
3 Answers
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How do I use CMake?
I am trying to use CMake in order to compile opencv.
4 Answers
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RabbitMQ message size and types
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Theoretically anything can be stored/sent as a message. You actually don't want to store anything on the queues. The system works most efficiently if the queues are empty most of the time. You can send anything you want to the queue with two preconditions:
The thing ...
jQuery - get a list of values of an attribute from elements of a class
...attr("level") will just return the attribute of first the first .object element.
This will get you an array of all levels:
var list = $(".object").map(function(){return $(this).attr("level");}).get();
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Virtualizing an ItemsControl?
I have an ItemsControl containing a list of data that I would like to virtualize, however VirtualizingStackPanel.IsVirtualizing="True" does not seem to work with an ItemsControl .
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