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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 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 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 you are send...
How to Diff between local uncommitted changes and origin
...oned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it ...
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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Run class in Jar file
If you have a jar file called myJar.jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line?
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How do you enable the escape key close functionality in a Twitter Bootstrap modal?
I followed the instructions for the Twitter Bootstrap modal on their main documentation page and used the data-keyboard="true" syntax mentioned but the escape key does not close the modal window. Is there something else I'm missing?
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AngularJS toggle class using ng-class
I am trying to toggle the class of an element using ng-class
6 Answers
6
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Naming conventions for abstract classes
I distinctly remember that, at one time, the guideline pushed by Microsoft was to add the "Base" suffix to an abstract class to obviate the fact that it was abstract. Hence, we have classes like System.Web.Hosting.VirtualFileBase , System.Configuration.ConfigurationValidatorBase , System.Windows....