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When should null values of Boolean be used?

...lean(true); Please see autoboxing here: http://en.wikipedia.org/wiki/Boxing_%28computer_science%29#Autoboxing Perhaps this is where much of the confusion comes from. EDIT2: Please read comments below. If anyone has an idea of how to restructure my answer to incorporate this, please do so. ...
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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...
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How can I remove a flag in C?

.... flags = flags & ~MASK; or flags &= ~MASK;. Long Answer ENABLE_WALK = 0 // 00000000 ENABLE_RUN = 1 // 00000001 ENABLE_SHOOT = 2 // 00000010 ENABLE_SHOOTRUN = 3 // 00000011 value = ENABLE_RUN // 00000001 value |= ENABLE_SHOOT // 00000011 or same as ENABLE_SHOOTRUN W...
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Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'

...ocation. Based on your post that would look like sn -i companyname.pfx VS_KEY_3E185446540E7F7A This must be run from the location of your PFX file, if you have the solution loaded in VS 2010 you can simply right click on the pfx file from the solution explorer and choose Open Command Prompt which...
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JQuery to load Javascript file dynamically

...alls to 'Add Comment') so the code might look something like this: $('#add_comment').click(function() { if(typeof TinyMCE == "undefined") { $.getScript('tinymce.js', function() { TinyMCE.init(); }); } }); Assuming you only have to call init on it once, that is....
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How do I resolve a HTTP 414 “Request URI too long” error?

...e the sanitize posted data remark) and http://www.openjs.com/articles/ajax_xmlhttp_using_post.php Basically, the difference is that the GET request has the url and parameters in one string and then sends null: http.open("GET", url+"?"+params, true); http.send(null); whereas the POST request sen...
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Setting action for back button in navigation controller

...; Bool } extension UINavigationController { public func navigationBar(_ navigationBar: UINavigationBar, shouldPop item: UINavigationItem) -> Bool { // Prevents from a synchronization issue of popping too many navigation items // and not enough view controllers or viceversa fr...
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HTTP Error 503. The service is unavailable. App pool stops on accessing website

... answered Oct 25 '16 at 8:39 1_bug1_bug 4,02033 gold badges3636 silver badges4646 bronze badges ...
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read.csv warning 'EOF within quoted string' prevents complete reading of file

...lmaine\t" "Oak Galls Preserved by the Eruption of Mount Vesuvius in A.D. 79_ and Their Probable Use\t" "The Arts Four Thousand Years Ago\t" ... ## $ title : chr "Bruce D. Smith\t" "Tomás Ó Cathasaigh\t" "Hiram G. Larew\t" "\t" ... ## $ author : chr "American Anthropologist\t" "Ér...
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]

<div id="example-value"> or <div id="example_value"> ? 8 Answers 8 ...