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How can I check if a background image is loaded?

...age and then set it in CSS — so images are start downloading before css file — it's called preloading. – jcubic Feb 20 '11 at 17:05 ...
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How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?

I have this in my package.json file (shortened version): 14 Answers 14 ...
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Suggestions for debugging print stylesheets?

... your changes to @media, you've got all the code you need for a linked CSS file using media = "print" attribute - just copy/paste the @media screen rules to the referenced file. Good luck. The web wasn't built for print. Creating a solution that delivers all of your content, styles equal to what's ...
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Set selected index of an Android RadioGroup

... If your radio group is defined in a layout xml file, each button can be assigned an id. Then you just check a button like this radioGroup.check(R.id.myButtonId); If you created your radio group programmatically (I'm not even sure how you do this...), you might want to...
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MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer

...EditMode = true)] Especially if you are adding these properties in .edmx file like me. I found that by default .edmx files don't have this using so adding only propeties is not enough. share | imp...
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Adding :default => true to boolean in existing Rails column

... That's the more generic way to change a column def up change_column :profiles, :show_attribute, :boolean, default: true end def down change_column :profiles, :show_attribute, :boolean, default: nil end OR a more specific option: def up change_column_default :profiles, :show_attribute, tru...
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What is purpose of the property “private” in package.json?

...d express, I am wondering what is the property "private" in ./package.json file used for? 1 Answer ...
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configure: error: C compiler cannot create executables

...de but I mine still errored out on: line 3619: /usr/bin/gcc-4.2: No such file or directory When I entered which gcc it returned /usr/bin/gcc When I entered gcc -v I got a bunch of stuff then .. gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00) So I created a sy...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

... This is OK too; For example: ==> In "NumberController" file: public ActionResult Create([Bind(Include = "NumberId,Number1,Number2,OperatorId")] Number number) { if (ModelState.IsValid) { ... ... return RedirectToAction("Index"); } ViewBag....
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For-each over an array in JavaScript

...d properties with numeric names: NodeList instances, the arguments object, etc. How do we loop through their contents? Use any of the options above for arrays At least some, and possibly most or even all, of the array approaches above frequently apply equally well to array-like objects: Use forE...