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Difference between attr_accessor and attr_accessible

...d that makes a getter and a setter. attr_accessible is a Rails method that allows you to pass in values to a mass assignment: new(attrs) or update_attributes(attrs). Here's a mass assignment: Order.new({ :type => 'Corn', :quantity => 6 }) You can imagine that the order might also have a d...
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What is an abstract class in PHP?

...re interface. Also interfaces are a special case of abstract classes where ALL methods are abstract. See this section of the PHP manual for further reference. share | improve this answer |...
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Validate that end date is greater than start date with jQuery

... I had to modify it slightly to allow for blank end dates in my app, but this did the bulk. code if (value == 0) { return true; } else if (!/Invalid|NaN/... code – Frank Luke Jun 23 '11 at 14:48 ...
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'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure

... I found the solution ! Just install the nuget package Microsoft.SqlServer.Types PM> Install-Package Microsoft.SqlServer.Types Link for more info share | ...
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How do I sort a Set to a List in Java?

...documentation on TreeSet states (see download.oracle.com/javase/1.4.2/docs/api/java/util/…), it effectively uses the compareTo() method instead of the equals() method - so if you have two objects in the set that have the same equals() outcome, they will be seen as duplicates and, as such, will not...
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Mixing a PHP variable with a string literal

... $bucket = '$node->' . $fieldname . "['und'][0]['value'] = " . '$form_state' . "['values']['" . $fieldname . "']"; print $bucket; yields: $node->mindd_2_study_status['und'][0]['value'] = $form_state['values'] ['mindd_2_study_status'] ...
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input type=“submit” Vs button tag are they interchangeable?

...an INPUT element whose type is set to "image", but the BUTTON element type allows content. So for functionality only they're interchangeable! (Don't forget, type="submit" is the default with button, so leave it off!) shar...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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jquery-ui sortable | How to get it work on iPad/touchdevices?

... Tom, I have added following code to mouseProto._touchStart event: var time1Sec; var ifProceed = false, timerStart = false; mouseProto._touchStart = function (event) { var self = this; // Ignore the event if another widget is already being handled if (touchH...
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Django self-referential foreign key

...ning the model property. If the property were being defined as part of the __init__() or another method, it would be, as self is always the first positional argument to any instance method of a Python class. – Brandon Nov 2 '16 at 12:58 ...