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If you are interested in the class hierarchy of an object, you can ask any class what its superclass is: o.class # String: o is a String object o.class.superclass# Object: superclass of String is Object o.class.superclass.superclass # nil: Object has no superclass In Ruby 1.9, Ob...
Check data type using Object.is_a?(Class_name) method This method is defined in theObjectclass of Ruby's library and sorely used for checking the class of a particular object or instance. This method returns Boolean value which aretrueandfalse. for instance, if the object belongs to the pa...
If such a change introduces excessive conditional logic, consider other approaches, such as delegation: # baduser&&user.address&&user.address.zip&&user.address.zip.upcase# goodclassUserdefzipaddress&.zipendenduser&.zip&.upcase Spaces and Braces ...
If the entry point of your gem lives in a subdirectory of lib because it is reopening a namespace defined somewhere else, please use the generic API to setup the loader, and make sure you check the section Reopening third-party namespaces down below.Loaders returned by Zeitwerk::Loader.for_...
If it is not defined in IntelliJ IDEA yet, add its definition. For more information, refer to External tools and External tools settings. Run Another Configuration: select to execute another run/debug configuration and wait until it finishes before starting the current configuration. If you want...
Optionally you can pass in a filename as the second parameter, if you would like to use something other than.env: $dotenv = Dotenv\Dotenv::createImmutable(__DIR__,'myconfig'); $dotenv->load(); All of the defined variables are now available in the$_ENVand$_SERVERsuper-globals. ...
There is currently no standard way of accomplishing so-called pass-through authentication to Oracle from a Rails application, which refers to configurations where an end-user authenticates himself by using his/her Oracle credentials after which use of the application is subject to Oracle-defined acce...
classSomeClassdeffoo@fooenddeffoo=(value)@foo= valueend# and the same with `bar`end So when we wroteattr_accessor *attrsin the original code, Ruby defined the attribute reader and writer methods for us for every attribute inattrs—that is, we got the following standard accessor methods:app...