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What is attr_accessor in Ruby?
I am having a hard time understanding attr_accessor in Ruby .
Can someone explain this to me?
19 Answers
...
What is Data Transfer Object?
... If I have model A and I need to pass it to two subsystems will there be A_DTO_1 and A_DTO_2 with the relevant fields of each? "DTOs can be to encapsulate parameters for method calls" --> So every class that wraps parameters is DTO even if this is not distributed system? Are't models in MVC th...
Entity Framework - Include Multiple Levels of Properties
...x you can get (this is all one statement!):
viewModel.Instructors = await _context.Instructors
.Include(i => i.OfficeAssignment)
.Include(i => i.CourseAssignments)
.ThenInclude(i => i.Course)
.ThenInclude(i => i.Enrollments)
.ThenInclude...
Get class name of object as string in Swift
...ame as String. Like this:
class Utility{
class func classNameAsString(_ obj: Any) -> String {
//prints more readable results for dictionaries, arrays, Int, etc
return String(describing: type(of: obj))
}
}
Now you can do something like this:
class ClassOne : UIViewCont...
RESTful URL design for search
... edited Feb 14 '13 at 13:06
Gaz_Edge
12.1k55 gold badges4848 silver badges8989 bronze badges
answered Jul 4 '09 at 7:13
...
Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...class BusinessObjectFactory
{
private Func<string, BusinessObject> _ctorCaller;
public BusinessObjectFactory (Func<string, BusinessObject> ctorCaller)
{
_ctorCaller = ctorCaller;
}
public BusinessObject CreateBusinessObject(string myProperty)
{
if (...)
return...
jQuery $(document).ready and UpdatePanels?
...ally
});
var prm = Sys.WebForms.PageRequestManager.getInstance();
prm.add_endRequest(function() {
// re-bind your jQuery events here
});
The PageRequestManager is a javascript object which is automatically available if an update panel is on the page. You shouldn't need to do anything other t...
Bootstrap with jQuery Validation Plugin
...After(element);
}
}
});
See Example: http://jsfiddle.net/mapb_1990/hTPY7/7/
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
...pecify what prefix comes before the dot, you can use "SELECT * FROM a AS my_alias", for instance.
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How do I tar a directory of files and folders without including the directory itself?
...
cd my_directory/ && tar -zcvf ../my_dir.tgz . && cd -
should do the job in one line. It works well for hidden files as well. "*" doesn't expand hidden files by path name expansion at least in bash. Below is my e...