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Eloquent Collection: Counting and Detect Empty

...hod_count count($result) works because the Collection implements Countable and an internal count() method: http://laravel.com/api/4.2/Illuminate/Database/Eloquent/Collection.html#method_count Bonus Information The Collection and the Query Builder differences can be a bit confusing to newcomers of...
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What exactly is Hot Module Replacement in Webpack?

...tal feature. HMR is a way of exchanging modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload. Documentation Prerequirements: Using Plugins: https://webpack.js.org/concepts/plugins/ Code Splitting: https://webpack.js....
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How to upload, display and save images using node.js and express [closed]

I need to upload an image, and display it, as well as save it so that I don't lose it when I refresh the localhost. This needs to be done using an "Upload" button, which prompts for a file-selection. ...
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What is the difference between .yaml and .yml extension? [duplicate]

...mmers are still scared of using extensions with more than three characters and so opt to use .yml instead. So, what really matters is what is inside the file, rather than what its extension is. share | ...
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Piping both stdout and stderr in bash?

...t newer versions of bash have the &> operator, which (if I understand correctly), redirects both stdout and stderr to a file ( &>> appends to the file instead, as Adrian clarified). ...
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How to reposition Chrome Developer Tools

...p an option to change the docking To change the split between the HTML and CSS panels, go in DevTools to Settings (F1) > General > Appearance > Panel Layout. share | improve this answer...
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Android Studio quick documentation always “fetching documentation”

I just move to Android studio from eclipse,I found that it always shows "fetching documentation" when I use quick documentation(Ctrl+Q),How to solve this?(I download documentation for API19,still problem) ...
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app-release-unsigned.apk is not signed

I downloaded the zip file of an Android app on github and I'm trying to run it, but I get a dialog with this message 17 Ans...
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How to hide image broken Icon using only CSS/HTML?

...e object tag since it can be used to display images just like the img tag, and doesn't display a broken link if the image doesn't exist, it works in all browsers and as far back as IE8 all by itself, you can even use default images with this method, I posted an answer with details below. ...
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Django gives Bad Request (400) when DEBUG = False

... I change DEBUG to False in the settings file, then the server stopped and it gives the following error on the command prompt: ...